How accurate is my fuel gauge?

Most are within 5–10%; many show 'empty' with a few gallons left in reserve.

What's a typical tank size?

Sedans: 12–16 gal. SUVs: 18–24 gal. Trucks: up to 36 gal.

Yes, unless detouring eats up the savings. Use a price-per-mile rule of thumb.

🚘 Transportation

Stopped at the pump and want to know what filling up will cost? Enter tank size, the current fuel level (as a percentage), and the per-gallon price.

Tank size(gal)

gal

Current level(%)

Gas price($/gal)

$/gal

Result will appear here

cost = tank × (1 − level%) × price

How accurate is my fuel gauge?
Most are within 5–10%; many show 'empty' with a few gallons left in reserve.
What's a typical tank size?
Sedans: 12–16 gal. SUVs: 18–24 gal. Trucks: up to 36 gal.
Should I fill up cheap stations?
Yes, unless detouring eats up the savings. Use a price-per-mile rule of thumb.