계산기

연료비 계산기

Estimate the gas cost of any trip from distance, fuel economy, and the price per gallon.

주유 계산기

Figure out what it costs to top off your tank from its current level.

MPG 계산기

Compute real miles per gallon from your odometer and gallons pumped.

속도 계산기

Calculate average speed from distance and time — supports hours and minutes.

운전 시간 계산기

Estimate driving time including planned rest stops.

통근 계산기

Add up gas, insurance, and parking for the full year of commuting.

로드 트립 비용 계산기

Total a road trip budget: gas, hotels, and food, in one shot.

전기차 충전 비용 계산기

See what charging your electric vehicle actually costs per month at home rates.

테슬라 충전 비용 계산기

Estimate weekly and yearly home charging cost for your Tesla model.

자동차 감가상각 계산기

Estimate your car's current value after years and mileage.

카풀 계산기

See how much carpooling cuts your annual commute cost.

브라 사이즈 계산기

Calculate your bra size from band and bust measurements.

중량 담요 계산기

Find your ideal weighted blanket weight using the 10% rule.

식탁보 크기 계산기

Find the right tablecloth size for any table and desired drop length.

서클 스커트 계산기

Compute fabric size and waist radius for a full circle skirt.

전기 요금 계산기

Compute the monthly cost of running any appliance from wattage and use.

페인트 도포량 계산기

Estimate how many gallons of paint your room needs.

바닥재 계산기

Compute square footage and material needed including waste factor.

타일 계산기

Count tiles needed for any room with waste built in.

주택담보대출 계산기

Estimate monthly payments including principal, interest, taxes, and insurance.

Solar Panel Savings Calculator

Estimate annual savings and payback period for a residential solar install.

에어컨 BTU 계산기

Find the BTU rating you need to properly cool a room.

팁 계산기

Compute the tip and per-person split for any bill.

할인 계산기

Find the sale price and savings for any percent off.

연봉을 시급으로

Convert an annual salary into an hourly rate.

시급을 연봉으로

Convert an hourly wage to monthly and annual income.

ROI 계산기

Compute return on investment and annualized return.

이익률 계산기

Compute gross profit and margin from revenue and cost.

프리랜서 요율 계산기

Work out the hourly rate you need to charge to hit your income goal.

포모도로 계산기

Plan focus blocks and breaks using the 25/5 pomodoro technique.

초과근무 계산기

Compute weekly pay with overtime at 1.5x past 40 hours.

회의 비용 계산기

Calculate what a meeting truly costs in payroll dollars.

나이 계산기

Calculate exact age in years, months, and days from any date of birth.

크리스마스까지 남은 일수

How many days, hours, and minutes are left until Christmas Day?

수면 주기 계산기

Find optimal wake-up or bedtime based on 90-minute sleep cycles.

출산 예정일 계산기

Estimate your due date and current pregnancy week from your last period.

영업일 계산기

Count working days (Mon–Fri) between any two dates.

동전 던지기

Flip a virtual coin — heads or tails, fair random.

주사위 굴리기

Roll any combination of D4, D6, D8, D10, D12, D20, or D100.

난수 생성기

Generate random numbers in any range, with or without duplicates.

예 또는 아니오 생성기

Let randomness decide. A fair coin flip with words.

별자리 계산기

Look up your Western astrological sign from your date of birth.

사랑 궁합 계산기

Just-for-fun compatibility score from two names.

샤워 비용 계산기

Compute the yearly cost of your showers in water and energy.

자외선 차단제 계산기

How much sunscreen you actually need per day at the beach.

독서 시간 계산기

Estimate how long a book or article will take to read.

오디오북 속도 계산기

See how much time you save listening at higher playback speeds.

BMI 계산기

Body Mass Index from height and weight, with the standard category breakdown.

칼로리 계산기

Estimate daily calorie needs via Mifflin-St Jeor BMR and activity multiplier.

물 섭취량 계산기

Estimate your daily water target adjusted for activity and climate.

걸음에서 마일

Convert step counts to miles using your stride length or height estimate.

백분율 계산기

Solve any percentage question: X% of Y, X is what % of Y, percent change.

평방피트 계산기

Compute area for rectangles, circles, and triangles in square feet.

로마 숫자 변환 도구

Convert any number 1–3999 to a Roman numeral and back.

이진수에서 십진수

Convert between binary and decimal in either direction.

분수 계산기

Add, subtract, multiply, or divide two fractions with auto-simplification.

Currency Converter

Quick approximate currency conversion using static reference rates.

피그 라틴 번역기

Translate any text into Pig Latin instantly.

거꾸로 텍스트

Flip your text upside down with Unicode tricks.

단어 수 계산기

Count words, characters, and reading time for any text.

Horsepower Calculator

Compute horsepower from engine torque and RPM using the standard SAE formula.

Tire Size Calculator

Decode a tire size into overall diameter, sidewall height, and circumference.

Compression Ratio Calculator

Engine static compression ratio from bore, stroke, deck, gasket, and chamber volumes.

Rpm Calculator

Compute engine RPM at a given speed from tire size, gear, and final drive.

0 60 Calculator

Estimate 0-60 mph time from horsepower, weight, and drivetrain.

Wheel Horsepower Calculator

Estimate WHP at the wheels after drivetrain losses.

Turbo Size Calculator

Estimate compressor airflow target for a turbo build.

Boost Horsepower Calculator

Estimate boosted HP from a naturally-aspirated baseline and boost pressure.

Bsfc Calculator

Compute brake-specific fuel consumption from fuel flow and brake horsepower.

Wheel Offset Calculator

Compute wheel offset in mm from width and backspacing.

Speedometer Gear Calculator

Estimate the right driven-gear tooth count for accurate speedometer reading.

Boat Speed Calculator

Estimate top boat speed from HP and weight using Crouch's planing formula.

Nautical Mile Calculator

Convert between nautical miles, statute miles, and kilometers.

Crosswind Calculator

Resolve runway wind into headwind and crosswind components.

Flight Radiation Calculator

Estimate cosmic-ray radiation dose for a flight.

Gvwr Calculator

Total your truck's loaded weight and see which GVWR class it falls into.

Fuel Pump Calculator

Estimate fuel flow demand and per-injector load for a given HP target.

Traffic Density Calculator

Compute traffic density (vehicles per mile) from flow rate and speed.

Winch Size Calculator

Find the minimum winch capacity for your vehicle and terrain.

주차 비용 계산기

Compare pay-as-you-go parking against a monthly pass.

엔진오일 교환 비용 계산기

Compare DIY vs shop oil changes over a year of driving.

Car Insurance Estimator

Rough estimate of annual auto insurance premiums by age, vehicle, and coverage.

자전거 속도 계산기

Compute road-bike speed from cadence, gearing, and wheel size.

Train Vs Drive Calculator

Compare driving cost against a train ticket, including the value of your time.

여행 탄소 발자국

Estimate CO₂ emissions for any trip by mode and distance.

Uber Vs Car Calculator

Compare monthly rideshare spend against the full cost of car ownership.

Miles To Dollars Calculator

Estimate the cash value of your airline miles by program and redemption.

연간 주행거리 계산기

Total annual driving miles from commuting, leisure, and road trips.

Engine Hours To Miles

Convert engine hours (on a marine or industrial engine) to equivalent automotive miles.

거리 계산기

Solve any of distance, speed, or time given the other two.

Toll Cost Calculator

Add up weekly, monthly, and annual toll spend — and the E-ZPass discount.

비행 시간 계산기

Estimate flight time from distance, cruise speed, and layover length.

Ticket Optimizer

Should you buy event tickets now or wait? A simple heuristic by time-to-event and category.

신발 사이즈 변환

Convert between US Men, US Women, UK, EU, and CM shoe sizes.

반지 사이즈 변환기

Convert between US, UK, EU, and inner diameter / circumference ring sizes.

드레스 사이즈 계산기

Find your US, UK, and EU dress size from bust, waist, and hip measurements.

청바지 사이즈 계산기

Get your W × L jeans size from waist and inseam measurements.

모자 사이즈 계산기

Find your hat size in numeric, fitted, and S/M/L formats from head circumference.

벨트 사이즈 계산기

Find the belt size to order from your pants waist or measured waist.

재킷 사이즈 계산기

Find your jacket size and length from chest, height, and weight.

장갑 사이즈 계산기

Find your glove size from hand circumference at the knuckles.

양말 사이즈 계산기

Convert shoe size to sock size (S/M/L/XL).

티셔츠 사이즈 계산기

Get your t-shirt size from chest and waist measurements.

바지 사이즈 계산기

Get your W × L pants size and a hip-to-waist ratio flag.

의류 사이즈 변환기

Convert women's top sizes across US, UK, EU, AU, IT, FR, and JP.

US에서 UK 신발 사이즈

Convert US shoe sizes to UK in either men's or women's sizing.

UK에서 US 신발 사이즈

Convert UK shoe sizes to US in either men's or women's sizing.

남성에서 여성 신발 사이즈

Convert between men's and women's US shoe sizes (1.5-size offset).

아동 신발 사이즈 계산기

Convert measured foot length to US toddler/youth shoe size.

실 계산기

How many skeins you need for a project, with a 10% safety buffer.

뜨개바늘 사이즈 변환기

Convert knitting needle sizes between US, metric (mm), and old UK numbering.

퀼트 바인딩 계산기

Compute strips and yardage for quilt binding.

하프 스퀘어 삼각형 계산기

Cut size and square count for half-square triangles.

커튼 패널 계산기

Compute panel width and required fabric for window curtains.

고무줄 길이 계산기

Find elastic length for waistbands, cuffs, and necklines.

재봉실 계산기

Estimate thread consumed by a seam from length and stitch type.

신발끈 길이 계산기

Find the right shoelace length for your shoe and lacing style.

잃어버린 양말 계산기

Estimate how many socks you've lost to the laundry over the years.

비키니 계산기

Get top and bottom bikini sizes from bra size and hip measurement.

벽지 계산기

Calculate rolls of wallpaper needed for a room, with waste and pattern repeat.

임대료 부담 계산기

Check if your target rent fits the 30% rule and standard DTI limits.

주택 리모델링 비용

Get a price range for kitchen, bath, basement, and other renovations.

이사 비용 계산기

Estimate the cost of a local, long-distance, or interstate move.

잔디 면적 계산기

Compute lawn area in square feet and acres, plus seed and mowing estimates.

울타리 비용 계산기

Estimate fence cost by perimeter, material, height, and gate count.

Storage Unit Size

Pick the right storage unit size for your home and items.

크리스마스 트리 크기

Find the right tree height and width for your room.

양초 연소 시간

Estimate how many hours a candle will burn from size, wick count, and wax type.

단열 R값 계산기

Find recommended R-value and additional insulation needed by climate zone.

Dumpster Size Calculator

Find the right roll-off dumpster size for your project.

Internet Speed Cost

See $-per-Mbps and whether your plan suits your usage.

Water Bill Calculator

Estimate monthly water usage and cost from household activity.

GPA 계산기

Calculate your weighted GPA across up to 6 courses, with letter grades and credit hours.

성적 계산기

Compute your weighted course grade across up to 5 assignments.

시험 점수 계산기

Compute percentage and letter grade from correct answers.

근무 시간 계산기

Daily, weekly, and monthly hours from start time, end time, and breaks.

송장 계산기

Subtotal, discount, tax, and total for up to 5 line items.

손익분기점 계산기

Units and revenue needed to cover fixed and variable costs.

글자 수 계산기

Characters, words, Twitter remaining, and SMS segments for any text.

비밀번호 강도 검사기

Score a password's strength locally based on length, variety, and patterns.

글꼴 크기 변환기

Convert between px, pt, em, rem, vw, and percent at a chosen base.

Sat Score Calculator

Approximate scaled SAT scores from raw section scores.

숫자를 단어로

Spell out any number up to a trillion in English.

거꾸로 텍스트 생성기

Reverse a string character-by-character or word order.

Nato Phonetic Alphabet

Spell any word using the NATO phonetic alphabet.

공부 시간 계산기

Plan study hours per subject given an exam date and difficulty.

시간대 변환기

Convert a time between major world time zones.

은퇴 날짜 계산기

Find your retirement date and time remaining based on age and country.

생일까지 남은 일수

Count down to your next birthday from today's date.

근무일 계산기

Count working days between two dates, excluding US federal holidays.

취침 시간 계산기

Find the best bedtimes to wake refreshed at a target time.

기상 시간 계산기

Find the best wake times after a chosen bedtime.

카운트다운 타이머

Count down the days, hours, and minutes to any future date.

얼마나 전인지 계산기

Count years, months, days, weeks, and hours since a past date.

한국 나이 계산기

Convert international age to traditional Korean age.

달의 위상 계산기

Find the moon phase, illumination, and next full moon for any date.

Palindrome Date Finder

Find all palindrome dates in a given year.

윤년 계산기

Check whether a year is a leap year, plus the next and last leap year.

시간 경과 계산기

Difference between two times in hours, minutes, and seconds.

시간을 10진수로

Convert HH:MM to a decimal hour value and back.

오디오북 계산기

Plan your audiobook reading pace and yearly book goals.

TV 시리즈 시청 시간

Total runtime of a series across seasons, episodes, and lengths.

정주행 계산기

Find your binge finish date based on daily watch time.

해먹 설치 계산기

Hang point height, tree spacing, and strap length for a comfy hammock.

헬륨 풍선 계산기

How many balloons does it take to lift a given weight?

텐트 크기 계산기

Find the right tent capacity for your campers, gear, and style.

수비학 계산기

Compute Life Path and Name numbers from your DOB and full name.

행운의 숫자 생성기

Generate lottery-style numbers seeded by your name and today's date.

마인크래프트 날짜 계산기

Convert between real minutes and Minecraft in-game days.

Robux를 USD로

Convert Robux to dollars (and back) at both direct buy and DevEx rates.

포커 확률 계산기

Rough heads-up and multi-way win probability by hole-card category.

체스 레이팅 계산기

Compute your new Elo after a single game vs an opponent.

단백질 계산기

Daily protein target by body weight, activity level, and goal.

매크로 계산기

Daily calories, protein, fat, and carb targets from your body and goal.

체지방 계산기

Estimate body fat percentage with the US Navy method.

이상 체중 계산기

Compare your weight to Devine, Robinson, Miller, Hamwi, and healthy-BMI ranges.

달리기 페이스 계산기

Find pace, time, or distance from any two of the three.

소모 칼로리

Calories burned for any activity using MET values.

Diaper Calculator

Estimate diapers needed and cost by baby's age and brand.

Cost Of Having Baby

Total estimated cost of delivery plus the first five years.

Expiration Date Calculator

Estimate expected expiration date by item type.

Battery Charge Time

Estimate hours to charge a battery from current to target level.

Linear Inches Calculator

Total linear inches and airline carry-on / checked classification.

Headphone Power

How much amp power your headphones need to hit a target SPL.

Well Volume Calculator

Compute gallons of water in a well from diameter and depth.

Garbage Bag Size

Find the right gallon-rated bag size for your trash can.

Picture Frame Calculator

Compute mat, frame, and overall sizes for any artwork.

입방피트 계산기

Compute volume in cubic feet, yards, meters, and liters.

16진수에서 십진수

Convert between hexadecimal and decimal, with binary preview.

공학용 계산기

Evaluate math expressions with sin/cos/tan, log, sqrt, pi, e, and more.

성적을 GPA로

Convert a letter grade or percentage into GPA points.

독서 챌린지 계산기

Track progress on a yearly reading goal and project your finish date.

책 한 권 읽는 데 걸리는 시간

Estimate hours to read a book at your pace.

시간당 페이지 수

Measure your actual reading speed in pages per hour and words per minute.

책 단어 수

Typical word counts and page estimates by genre.

Goodreads 목표 계산기

Are you on pace for your Goodreads reading challenge?

Kindle 페이지 수

Convert KOLL Kindle pages to print pages and words.

목욕 vs 샤워 계산기

Find out whether baths or showers are cheaper for you over a year.

모발 성장 계산기

Months to grow your hair to a target length.

뷰티 제품 계산기

Annual cost of your beauty routine.

치약 계산기

Tubes per year and annual toothpaste cost.

손 씻기 시간

WHO-recommended hand-washing time and song references.

스킨케어 비용 계산기

Roll up the per-day and per-year cost of your skincare routine.

향수 지속시간

How many weeks a perfume bottle will last at your usage.

염색 비용

Annual hair color cost by method and frequency.

메이크업 비용 계산기

Annual cost of your makeup kit.

비누 사용량 계산기

How long a bar of soap lasts and the monthly cost.

마스크 계산기

Masks needed per month and annual cost by type.

나는 얼마나 부유한가

Where your income ranks against US (and rough global) distributions.

Net Worth Calculator

Compute net worth from assets minus liabilities; compare to age peers.

IQ 점수 계산기

Rough IQ estimate from a raw test score — strictly informal.

판타지 풋볼 계산기

Score a player line in standard, PPR, or half-PPR scoring.

소셜 미디어 금지 영향

Estimate reach and revenue lost if your account is banned.

틱톡 시간 대안

What you could do instead of scrolling TikTok for X minutes a day.

소셜 미디어 시간 대안

Yearly hours sunk into social media — and what they could become.

Pixels To Inches

Convert between pixels and physical inches at any PPI.

Pounds And Ounces

Combine pounds and ounces into total weight in oz, grams, kg, and decimal lbs.

Feet And Inches Calculator

Convert, add, or subtract feet-and-inches values.

Height In Inches

Convert feet+inches height to inches, cm, and meters with a percentile note.

Acreage Calculator

Compute area in acres from any shape's dimensions.

Land Area Calculator

Land area in acres, hectares, bigha, katha, gaj, cent, and marla.

Lot Size To Acres

Convert lot size in square feet (or L×W) to acres and other units.

Lot Size To Sq Feet

Convert acres or other area units to square feet and find the side of a square lot.

Scale Calculator

Solve scaled, real, or ratio given the other two.

Download Time Calculator

How long a file will take to download at a given connection speed.

Torque To Hp

Compute horsepower from torque and RPM (or torque from HP and RPM).

Watts To Amps

Compute amperage from wattage at a chosen voltage.

Amps To Watts

Compute wattage from amperage at a chosen voltage.

Kwh To Kw

Convert between energy (kWh) and average power (kW) over a time period.

Dbm To Watts

Logarithmic conversion between dBm and watts.

Rms To Watts

Compute RMS and peak power from RMS voltage and impedance.

Joules To Volts

Convert energy and charge (or capacitance) into voltage.

Barometric Pressure

Pressure converted across all weather units with a forecast hint.

Ppm Calculator

Parts-per-million across PPM, PPB, ppt, percent, and mg/L.

Hardness Conversion

Convert between Rockwell C, Rockwell B, Brinell, Vickers, and Shore D.

비율 계산기

Simplify, scale, percentage-ize, or split a ratio.

Imperial To Metric

One-stop imperial→metric conversion across length, weight, volume, temperature, speed.

Metric To Imperial

Convert metric to imperial across length, weight, volume, temperature, and speed.

Dimensional Analysis

Educational unit-conversion chain across length, weight, volume, speed, temperature.

ACT 점수 계산기

Convert ACT raw section scores to scaled 1–36 scores and a composite.

대학 GPA 계산기

Compute term and cumulative GPA on the 4.0 scale.

최종 성적 계산기

Find the score you need on the final exam to reach your target grade.

성적 커브 계산기

Apply square-root, flat-point, or scale-to-100 curves to a test score.

졸업 연도 계산기

Find your high-school and college graduation years.

GWA 계산기

Compute General Weighted Average on the Philippine 1.0–5.0 scale.

고등학교 GPA 계산기

Weighted and unweighted GPA with honors/AP/IB course bonuses.

IELTS 점수 계산기

Convert IELTS raw scores to band scores and an overall band.

임팩트 팩터 계산기

Compute a journal's impact factor from citations and article count.

PTE 점수 계산기

Weighted overall PTE Academic score with CEFR equivalent.

학기 성적 계산기

Weighted course grade across all assignments.

시험 성적 계산기

Percentage and letter grade from correct answers, with optional penalties.

파키스탄 GPA 계산기

CGPA on the Pakistani HEC 4.0 scale from marks and credit hours.

교실 간격 계산기

Maximum desks in a room given social-distancing spacing.

화면비 계산기

Find an aspect ratio from dimensions, or solve a missing dimension.

이미지 파일 크기 계산기

Estimate image file size by dimensions, bit depth, and format.

PPI 계산기

Pixels per inch from screen resolution and diagonal size.

화면 크기 계산기

Width, height, and area from a diagonal and aspect ratio.

TV 크기 계산기

Recommended TV diagonal for your seating distance.

TV 설치 높이 계산기

Ideal wall height to mount a TV for eye-level viewing.

비디오 파일 크기 계산기

Estimate video file size from duration, resolution, and codec.

노출 계산기

Compute exposure value from aperture, shutter speed, and ISO.

피사계 심도 계산기

Near, far, and total depth of field for any lens setup.

초점거리 계산기

Focal length from sensor size and field of view, plus 35mm equivalent.

크롭 팩터 계산기

Crop factor and 35mm-equivalent focal lengths from sensor dimensions.

해상도 배율 계산기

Scale a resolution by a factor and see the pixel-count change.

타임랩스 계산기

Photos, video length, and storage for a time-lapse shoot.

셔터 속도 계산기

Recommended shutter speed for handheld, motion, or astro shots.

카메라 시야각 계산기

Horizontal, vertical, and diagonal angle of view for a lens.

과초점 거리 계산기

The focus distance that maximizes depth of field.

픽셀에서 인쇄 크기 계산기

Maximum print size for an image at a chosen DPI.

프로젝터 계산기

Throw distance or screen size from a projector's throw ratio.

이미지 비율 계산기

Resize an image keeping its aspect ratio.

명암비 계산기

Display contrast ratio from white and black luminance.

렌즈 배율 계산기

Magnification and reproduction ratio for a lens at a subject distance.

눈 깜빡임 없는 사진 계산기

How many shots you need for a blink-free group photo.

프레임에서 타임코드 계산기

Convert a frame number to HH:MM:SS:FF timecode.

타임코드에서 프레임 계산기

Convert HH:MM:SS:FF timecode to a total frame count.

필름 계산기

Rolls, frames, and cost for an analog film shoot.

수직 과장 계산기

Vertical exaggeration factor for profiles and cross-sections.

3D 렌더링 계산기

Total render time and completion date for a 3D project.

스트리밍 비트레이트 계산기

Recommended streaming bitrate and required upload speed.

BPM 계산기

Calculate tempo (BPM) from a beat count and duration.

음표 주파수 계산기

Frequency of any musical note in equal temperament.

음악 음정 계산기

Name the interval between two notes and its frequency ratio.

음계 계산기

Generate the notes of any scale from a root note.

코드 계산기

Notes and intervals for any chord from a root note.

코드 찾기

Identify a chord from a set of notes.

코드 자리바꿈 계산기

Reorder a chord's notes into root, 1st, 2nd, or 3rd inversion.

코드 진행 생성기

Build a chord progression in any key.

코드 조옮김

Transpose a chord progression to a new key.

음악 조옮김 계산기

Transpose a note up or down by a number of semitones.

반음 계산기

Count the semitones between two notes.

조표 계산기

Sharps, flats, and relatives for any major or minor key.

음악 길이 계산기

Total playing time from BPM, time signature, and bar count.

딜레이 및 리버브 계산기

Note-synced delay times in milliseconds for a given tempo.

프렛 계산기

Distance of each fret from the nut for a given scale length.

기타 줄 장력 계산기

Approximate string tension from gauge, scale length, and pitch.

배음 계산기

First 16 harmonics of a fundamental frequency.

음역대 계산기

Classify a voice type from the lowest and highest comfortable notes.

스피커 박스 계산기

Recommended enclosure volume for a driver.

포트 길이 계산기

Port length for a vented speaker enclosure.

오디오 파일 크기 계산기

Estimate audio file size by sample rate, bit depth, and channels.

배터리 수명 계산기

Estimate device runtime from battery capacity and consumption.

배터리 용량 계산기

Convert between Ah, Wh, and joules for a battery.

배터리 크기 계산기

Minimum battery capacity for a target runtime.

드론 비행 시간 계산기

Estimate drone flight time from battery and motor draw.

드론 모터 계산기

Thrust per motor and thrust-to-weight ratio for a multirotor.

듀티 사이클 계산기

Duty cycle, frequency, and average voltage of a PWM signal.

eDPI 계산기

Effective DPI for FPS mouse sensitivity comparison.

패스워드 엔트로피 계산기

Estimate password strength in bits of entropy and crack time.

RAID 계산기

Usable storage and fault tolerance for a RAID array.

chmod 계산기

Convert Unix file permissions to octal and symbolic notation.

IP 서브넷 계산기

Network, broadcast, host range, and host count for an IPv4 subnet.

CIDR 계산기

Parse CIDR notation into network, range, and host count.

대역폭 계산기

Required bandwidth to transfer a file in a target time.

업로드 시간 계산기

How long a file takes to upload at a given speed.

가동 시간 계산기

Allowed downtime for a given uptime percentage.

데이터 전송 계산기

Transfer time across USB, Ethernet, Wi-Fi, 5G, and fiber.

보드율 계산기

Effective data throughput of a serial connection.

IP 주소 변환기

Convert an IPv4 address between dotted-decimal, integer, and hex.

Base64 인코더

Encode text to Base64 or decode Base64 back to text.

ASCII 변환기

Convert text to ASCII codes and back.

해밍 코드 계산기

Add Hamming parity bits to a binary data word.

해밍 거리 계산기

Count differing bits between two binary strings.

패리티 비트 계산기

Compute the parity bit for a binary data word.

논리 게이트 계산기

Evaluate any 2-input logic gate and show its truth table.

OP 앰프 이득 계산기

Voltage gain of inverting and non-inverting op-amp circuits.

PCB 트레이스 너비 계산기

Minimum trace width for a current using the IPC-2221 standard.

PCB 트레이스 저항 계산기

Resistance and voltage drop of a PCB copper trace.

PCB 트레이스 전류 계산기

Maximum current a PCB trace can carry (IPC-2221).

PCB 임피던스 계산기

Characteristic impedance of a microstrip PCB trace.

케이블 임피던스 계산기

Characteristic impedance of a coaxial cable.

전파 지연 계산기

Signal travel delay through a trace or cable.

LM317 계산기

Resistor value for a target LM317 regulator output voltage.

RAM 레이턴시 계산기

True memory latency in nanoseconds from CL and frequency.

임피던스 매칭 계산기

L-network component values to match two impedances.

총 고조파 왜곡 계산기

THD from a fundamental and its harmonic amplitudes.

RF 단위 변환기

Convert RF power between dBm, watts, and dBW.

비제네르 암호 계산기

Encrypt or decrypt text with the Vigenère cipher.

Hex에서 텍스트 변환기

Decode a hexadecimal string into readable text.

부동소수점 계산기

Show the IEEE 754 single-precision representation of a number.

GSD 계산기

GSD for aerial/drone mapping from sensor, lens, and altitude.

대역폭 지연 곱 계산기

Data in flight on a network path — the ideal TCP window size.

KD 계산기

Compute your kill/death ratio and KDA from kills, deaths, and assists.

마인크래프트 원 생성기

Generate the block count and shape data for a Minecraft circle of any diameter.

마인크래프트 스택 계산기

Work out full stacks, leftovers, and chest space for any pile of Minecraft items.

네더 포털 계산기

Convert Overworld coordinates to the Nether and back at Minecraft's 1:8 ratio.

엔드 포털 찾기

Estimate how far a Minecraft stronghold sits from the world origin by its ring.

포켓몬 GO 사탕 계산기

Find how much candy you need to evolve a Pokémon and how far you must walk for it.

피라미드 블록 계산기

Count the blocks needed to build a solid, hollow, or stepped pyramid.

러스트 부패 계산기

Estimate how much health a Rust structure loses to decay while you are offline.

임포스터 확률 계산기

Work out your chance of being the impostor in a social-deduction party game.

CBM 계산기

Calculate cubic metres (CBM) of a shipment from carton dimensions and quantity.

부피 무게 계산기

Find the billable weight of a parcel by comparing actual weight to dimensional weight.

DPMO 계산기

Calculate Defects Per Million Opportunities and the matching Six Sigma level.

화물 등급 계산기

Determine NMFC freight class from a shipment's weight and dimensions by density.

팔레트 계산기

Work out how many boxes fit on a pallet, with layers and total stack weight.

재주문점 계산기

Calculate the inventory reorder point from demand, lead time, and safety stock.

택트 타임 계산기

Calculate takt time — the production pace needed to meet customer demand.

컨테이너 적재 계산기

Estimate how many shipping containers a cargo load needs by volume and weight.

크리스마스 카운트다운

See exactly how many days, weeks, and shopping days are left until Christmas.

부활절 계산기

Find the date of Easter Sunday for any year using the Gregorian algorithm.

눈사람 계산기

Size the three balls of a snowman and estimate how much snow you need.

뱀파이어 종말 계산기

Model how fast vampires could convert the human population through exponential growth.

좀비 침공 계산기

Estimate how fast a zombie outbreak spreads using a simplified infection model.

트릭 오어 트릿 계산기

Estimate the candy haul and walking distance from a night of trick-or-treating.

화이트 크리스마스 계산기

See the historical probability of snow on the ground on Christmas Day by city.

마야 달력 변환기

Convert any Gregorian date to the Maya Long Count, Tzolkin, and Haab calendars.

새해 결심 계산기

Plan a resolution: see days left in the year and total hours you can commit.

체감 온도 계산기

Calculate the NWS wind chill temperature and frostbite risk from temp and wind speed.

강수량 계산기

Calculate the volume of water collected from rainfall over a given area.

비에서 눈 변환 계산기

Convert rainfall to expected snowfall using temperature-based snow ratios.

일광욕 계산기

Estimate safe sun exposure time from skin type, UV index, and sunscreen SPF.

지진 계산기

Calculate the energy released by an earthquake and its intensity at a distance.

대척점 계산기

Find the exact point on the opposite side of the Earth from any coordinates.

방위각 계산기

Calculate the compass bearing (azimuth) from one coordinate to another.

위경도 거리 계산기

Calculate the great-circle distance between two coordinates with the Haversine formula.

참여율 계산기

Calculate social media engagement rate from followers, likes, comments, and shares.

산소통 사용 시간 계산기

Estimate how long a medical oxygen cylinder lasts at a given flow rate.

다이아몬드 무게 계산기

Estimate the carat weight of a diamond from its shape and millimetre measurements.

성별 임금 격차 계산기

Calculate the pay gap between two salaries as a percentage and dollar difference.

PERT 계산기

Calculate a PERT three-point estimate with standard deviation and variance.

NaNoWriMo 계산기

Track your novel-writing pace and find the daily word count needed to hit your goal.

소금 반죽 계산기

Scale a salt dough recipe up or down for any number of batches.

피자 팁 계산기

Split a pizza order with tip across friends and see the per-person cost.

매치드 베팅 계산기

Calculate the lay stake, liability, and locked-in profit for a matched bet.

요일 계산기

Find the day of the week for any date, plus day number and week of the year.

채용 절차 기간 계산기

Estimate total time-to-hire by adding up each stage of your recruitment process.

수족관 계산기

Calculate aquarium volume, full weight, and fish capacity from tank dimensions.

수족관 유리 두께 계산기

Estimate the minimum glass thickness needed for an aquarium of a given size.

모래 놀이상자 계산기

Calculate how much sand a sandbox needs and the number of bags to buy.

시저 암호 시프터

Encrypt or decrypt text with a Caesar cipher and see all 25 brute-force shifts.

미국 국기 계산기

Calculate every dimension of a US flag from its hoist height per Executive Order 10834.

5e HP 계산기

Calculate a D&D 5e character's hit points by class, level, and Constitution modifier.

5e 인카운터 계산기

Rate a D&D 5e combat encounter as easy, medium, hard, or deadly by XP thresholds.

5e 포인트 바이 계산기

Track the 27-point budget for D&D 5e ability scores and see the modifiers.

포커 EV 계산기

Calculate the expected value of a poker call from pot size, bet, and your equity.

소문자에서 대문자

Convert any lowercase text to UPPERCASE instantly in your browser.

단어 첫 글자 대문자 변환기

Capitalize the first letter of every word, including short words and articles.

문장 형식 변환기

Capitalize the first letter of each sentence and lowercase the rest.

스몰캡스 생성기

Convert text to ꜱᴍᴀʟʟ ᴄᴀᴘs using Unicode small-capital letters.

작은 글씨 생성기

Convert text to ˢᵐᵃˡˡ superscript-style letters for bios and captions.

취소선 텍스트 생성기

Add a Unicode strikethrough line through any text you can copy anywhere.

아래첨자 생성기

Convert numbers and letters to Unicode subscript characters.

위첨자 생성기

Convert numbers and letters to Unicode superscript characters.

고딕 폰트 생성기

Convert text to 𝔤𝔬𝔱𝔥𝔦𝔠 Fraktur letters you can copy and paste.

거울 텍스트 생성기

Reverse text and create a mirrored backwards version you can copy.

숫자에서 문자 변환기

Decode a number sequence into letters using A=1, B=2 … Z=26.

문자에서 숫자 변환기

Encode letters into numbers using A=1, B=2 … Z=26.

해시 식별기

Identify a hash type from its length and character set — MD5, SHA, bcrypt and more.

16:9 화면비 계산기

Calculate the 16:9 height for any width — the standard widescreen video ratio.

16:10 화면비 계산기

Calculate the 16:10 height for any width — common on laptop and monitor screens.

4:3 화면비 계산기

Calculate the 4:3 height for any width — the classic fullscreen TV ratio.

CSS 화면비 계산기

Generate the CSS aspect-ratio property and padding-top percentage for any ratio.

픽셀 화면비 계산기

Calculate the pixel aspect ratio (PAR) from display and pixel dimensions.

세로 화면비 계산기

Calculate portrait-orientation heights at common ratios like 2:3, 3:4, and 9:16.

화면 비율 계산기

Find the simplified aspect ratio of any screen from its width and height.

가을까지 남은 날

Count down the days until the first day of autumn (September 22).

발렌타인데이까지 남은 날

Count down the days remaining until Valentine's Day on February 14.

새해 카운트다운

Count down the days, hours, and minutes until New Year's Day.

캐럿 무게 계산기

Convert gemstone weight in grams to carats and points.

다이아몬드 캐럿 계산기

Convert diamond weight to carats and estimate carat weight from a round diamond's diameter.

mm에서 캐럿 변환

Estimate a gemstone's carat weight from its millimetre diameter by shape.

나는 몇 학년이었나

Find which US school grade you were in during any given year.