金融

企業貸款計算器

Estimate payments, total interest, and amortization for a business loan.

企業估值計算器

Estimate business value via revenue multiple, EBITDA, book value, or DCF.

企業預算計算器

Roll up monthly income and expenses across categories.

人工成本計算器

Fully-loaded labor cost including benefits and payroll taxes.

工時計算器

Total man-hours from workers × hours × days.

銷售佣金計算器

Compute commission across flat, tiered, or base+commission structures.

現金消耗率計算器

Monthly burn and cash runway from expenses and revenue.

客戶流失率計算器

Customer and revenue churn with average customer lifetime.

客戶獲取成本

CAC plus LTV:CAC ratio for unit-economics sanity.

轉換率計算器

Conversions ÷ visitors, with benchmarks and reverse mode.

跳出率計算器

Single-page sessions ÷ total sessions.

點擊率計算器

Clicks ÷ impressions, with channel benchmarks.

CPM 計算器

Solve any of CPM, cost, or impressions given the others.

CPC/CPM 計算器

Clicks, impressions, and estimated conversions for an ad budget.

CPA 計算器

Ad spend ÷ conversions.

ROAS 計算器

Revenue ÷ ad spend, with break-even benchmark.

AdSense 計算器

Estimate AdSense earnings from pageviews, CTR, and CPC.

YouTube 收入計算器

Estimate YouTube earnings from views and RPM.

網站廣告收入計算器

Monthly ad revenue from pageviews, RPM by niche, and fill rate.

投資回收期計算器

Years to recover an investment from cash inflows.

員工流失率計算器

Employees lost ÷ employees at start.

員工流動率計算器

Separations ÷ average headcount, with replacement cost.

貢獻邊際計算器

Per-unit and total CM, with break-even units.

銷售成本計算器

Cost of goods sold from beginning + purchases − ending inventory.

平均固定成本

Total fixed costs spread over quantity produced.

全職等效計算器

Full-time equivalents from part-time hours.

FIFO 計算器

COGS and ending inventory under FIFO accounting.

GMROI 計算器

Gross margin return on inventory investment.

赫芬達爾指數計算器

Herfindahl-Hirschman Index from up to 8 market shares.

創業成本計算器

One-time + ongoing × runway months.

員工成本計算器

Total annual employee cost: salary, benefits, payroll tax, overhead.

營收年化運營率

Annualize revenue from a partial period.

市場份額計算器

Company revenue ÷ total market size.

單位價格計算器

Cost per unit, suggested retail, and bulk-discount table.

每位潛在客戶成本計算器

Marketing spend ÷ leads, with channel benchmarks.

郵件開啟率計算器

Open rate, click rate, and CTOR with benchmarks.

布拉德福德因子計算器

HR absence-pattern score: S² × D.

顧問費用計算器

Daily and hourly rate needed to hit a target take-home.

SaaS LTV 計算器

Lifetime value from ARPA, margin, and monthly churn.

SaaS 指標計算器

Net MRR churn, NRR, ARPU, ARR — the core SaaS dashboard.

售出率

Units sold ÷ units received.

網紅收費計算器

Estimate sponsored content rates by platform and following.

EVM 計算器

SV, CV, SPI, CPI, EAC from PV, EV, AC.

EMV 計算器

Probability-weighted decision outcomes across scenarios.

複利計算器

Future value with compounding and optional regular contributions.

單利計算器

Interest earned with no compounding, plus a compound comparison.

利率計算器

Solve for rate given principal, interest, and time.

投資計算器

Lump sum + monthly contributions projected forward.

複合年增長率計算器

Compound annual growth rate from beginning and ending values.

淨現值計算器

Net present value across up to 8 cash-flow years.

內部收益率計算器

Internal rate of return via Newton-Raphson iteration.

現值計算器

Discount a future value back to today.

未來價值計算器

Grow a present amount forward, with or without contributions.

APY 計算器

Convert APR to APY at any compounding frequency.

APR 計算器

Back-solve APR from a loan amount, payment, and term.

回報率計算器

Simple and annualized return with optional income.

複合增長計算器

Generalized compound growth for any metric (users, revenue, etc.).

連續複利

A = P × eʳᵗ — the limit of frequent compounding.

現金流折現計算器

Enterprise value from FCFs, terminal growth, and WACC.

貼現率計算器

Solve for the rate that bridges PV and FV.

EAR 計算器

Convert a nominal rate to EAR.

費用比率計算器

Dollar cost of fund fees over time.

持有期收益率

Total return including income over a holding period.

機會成本計算器

Difference in future value between two investment options.

存單計算器

Maturity value of a CD with chosen APY and term.

72法則計算器

Doubling time from a rate, or required rate from a doubling time.

年化收益率

Convert a holding-period return to an annualized rate.

增值計算器

Total and annual appreciation, with optional real-value adjustment.

基點計算器

Convert between basis points and percentages.

夏普比率計算器

Risk-adjusted return: excess return ÷ standard deviation.

貨幣時間價值

Solve for PV, FV, rate, periods, or payment given the other four.

加密貨幣利潤計算器

Profit/loss including buy and sell fees.

比特幣利潤計算器

Profit/loss for a Bitcoin trade with fees.

定投平均成本

DCA outcomes at fixed or varying prices.

通膨調整收益率

Real (post-inflation) return using the Fisher equation.

投資組合收益率計算器

Weighted average return across up to 6 holdings.

股息再投資計算器

Project portfolio growth from dividend reinvestment.

股票計算器

Profit, ROI, and break-even for a stock trade with commissions.

股票平均成本計算器

Weighted average cost from up to 5 purchase lots.

股票拆分計算器

New share count and adjusted price after a split.

股息計算器

Annual dividend income (before and after tax) plus yield on cost.

股息率計算器

Yield = annual dividend ÷ price, with optional forward yield.

股息支付率

Dividends ÷ earnings — sustainability check.

每股盈餘計算器

Basic and diluted earnings per share.

本益比計算器

Price-to-earnings ratio with earnings yield.

市值計算器

Shares × price, with size classification.

資本資產定價模型計算器

Required return from risk-free rate, beta, and market return.

加權平均資本成本計算器

Weighted average cost of capital from equity, debt, and tax rate.

股東權益報酬率計算器

Net income ÷ equity, with optional DuPont breakdown.

資產報酬率計算器

Net income ÷ total assets.

葛拉漢數計算器

Benjamin Graham's fair-value estimate for a defensive investor.

內在價值計算器

Fair-value estimates via DDM, Graham, or P/E methods.

債券價格計算器

Price = PV of coupons + PV of face value.

債券收益率計算器

YTM and current yield from price, face, coupon, and maturity.

債券到期殖利率計算器

Yield to maturity and yield to call.

票面利率計算器

Coupon rate from annual payment and face value.

負債權益比計算器

Total liabilities ÷ shareholders' equity.

利息保障倍數

EBIT ÷ interest expense.

速動比率計算器

Liquid assets ÷ current liabilities.

Black-Scholes 計算器

Call/put prices and Greeks for European options.

買權計算器

Break-even and payoff for a long call at various stock prices.

保證金追繳計算器

Price at which a maintenance margin call is triggered.

銷售稅計算器

Add tax to a price or remove it from a tax-inclusive total.

增值稅計算器

Add or remove VAT at any rate.

所得稅計算器

Bracket-by-bracket tax on US federal income.

資本利得稅計算器

Short-term vs long-term capital gains tax with NIIT.

薪資計算器

Convert salary across hourly, weekly, monthly, and annual.

稅前到稅後計算器

Net take-home pay after federal, state, FICA, and deductions.

稅後到稅前計算器

Required gross for a target take-home.

加薪計算器

New salary, change, and 5-year earnings impact.

計費工時計算器

Utilization and revenue from billable vs total hours.

1.5倍工時計算器

Regular plus overtime pay at 1.5× or 2×.

彩券稅計算器

Lump sum vs annuity after federal and state tax.

購屋負擔能力計算器

How much house you can afford under 28/36 DTI rules.

抵押貸款攤銷

Monthly payment plus full amortization summary.

抵押貸款再融資

Monthly savings and break-even months from refinancing.

LTV 計算器

LTV ratio and PMI threshold.

PMI 計算器

Monthly PMI and the month it drops off.

資本化率計算器

NOI ÷ property value.

出租房產計算器

Cash flow, cap rate, cash-on-cash return.

租房還是買房計算器

Net worth comparison over a horizon.

成交成本計算器

Buyer or seller closing cost range with line items.

儲蓄計算器

Future savings balance with regular contributions.

儲蓄目標計算器

Monthly amount needed to hit a savings target by a date.

緊急基金計算器

Target fund size from monthly essentials.

汽車貸款計算器

Vehicle financing monthly payment and true cost.

FIRE 計算器

Years to financial independence at a safe withdrawal rate.

50-30-20法則計算器

Allocate take-home pay across needs, wants, and savings.

債務雪球計算器

Pay off smallest balances first; roll payments forward.

債務雪崩計算器

Pay off highest interest rate first — mathematically optimal.

信用卡還清

Months to pay off + total interest at a fixed payment.

退休計算器

Nest egg target plus how long it lasts.

401(k) 計算器

Future 401(k) balance including employer match.

Roth IRA 計算器

Compare tax-free Roth growth vs Traditional tax-deferred.

貸款計算器

Standard amortizing loan: payment, interest, total.

攤銷計算器

Loan payoff with optional extra payments.

學生貸款計算器

Standard, extended, and income-driven plan comparison.

債務收入比

Front-end and back-end DTI ratios with lender thresholds.

利潤率計算器

Margin and markup from cost and selling price.

加價率計算器

Selling price from cost + markup percentage.

折扣百分比計算器

Discount amount and final price.

佣金計算器

Commission earned on sales — flat or tiered.

PayPal 手續費計算器

Net amount received after PayPal fees.

Etsy 手續費計算器

Listing, transaction, and processing fees on an Etsy sale.

Amazon FBA 計算器

Referral + fulfillment fees on an Amazon FBA sale.

Stripe 手續費計算器

Net received after Stripe processing fees.

每件商品利潤計算器

Net profit per sale after all costs and fees.

EBITDA 計算器

Earnings before interest, taxes, depreciation, and amortization.

毛利率計算器

Gross profit and margin from revenue and COGS.

折舊計算器

Straight-line, double-declining, or sum-of-years depreciation.

營運資金計算器

Current assets minus current liabilities.

存貨週轉率計算器

COGS ÷ average inventory; days of inventory.

邊際成本計算器

Cost of producing one additional unit.

經濟訂單量計算器

Optimal order size that minimizes inventory cost.

需求價格彈性

%ΔQ ÷ %ΔP — how sensitive demand is to price.

自由現金流計算器

FCF = operating cash flow − capital expenditures.

營收增長率計算器

Period-over-period growth (QoQ, YoY, MoM).

通貨膨脹計算器

Adjust a dollar amount across years using CPI.

GDP 計算器

GDP = C + I + G + (X − M).

失業率計算器

Unemployed ÷ labor force × 100.

CPI 通膨計算器

Compute a CPI from basket costs, plus the period inflation rate.

複合增長率

Annualized growth rate between two endpoints.

貨幣乘數計算器

1 ÷ reserve ratio — banking money creation.

實質利率計算器

Fisher equation: real = (1+nominal)/(1+inflation) − 1.

泰勒法則計算器

Suggested fed funds rate from inflation and output gap.

川普關稅計算器

Tariff owed and consumer pass-through estimate.

EMI 計算器

Equated Monthly Installment for any loan.

SIP 計算器

Future value of a Systematic Investment Plan.

PPF 計算器

Maturity value of a Public Provident Fund account.

英國稅收計算器

Income tax, National Insurance, and net take-home for England/Wales/NI.

英國印花稅

Stamp duty for first-time buyers, home movers, and additional properties.

天課計算器

2.5% Zakat on zakatable wealth above nisab.

交叉匯率

Derive A/C from A/B and B/C rates.

斐波那契回撤

Standard Fibonacci support/resistance levels.

VA 殘疾計算器

VA 'whole person' combined rating across multiple conditions.

NPS 計算器

Corpus, lump sum, and monthly pension at retirement.

RMD 計算器

Annual minimum withdrawal from IRA / 401(k).

數錢計算器

Total cash from bill and coin denominations.