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Fuel, mileage & driving costs

Gas, Trip Cost & Cost Per Mile Calculators

Plan the fuel and money you need for a drive. Estimate gallons and tank range, add tolls and split trip costs, or compare your commute and annual driving expenses.

Trip gas costCost per mileGig profit
Flagship

Gas Trip Cost Calculator

Gas cost, gallons, cost per mile and trip split.

Flagship

Cost Per Mile Calculator

Cost, dollars earned and profit per mile.

Driving

Gas Cost Per Mile Calculator

Fuel-only cost for each mile.

Gig

Gig Driver Profit Calculator

Profit and hourly earnings after vehicle cost.

Driving

Fuel Needed Calculator

Gallons needed for a trip.

Driving

Miles Per Dollar Calculator

Distance each fuel dollar buys.

Driving

Trip Gas Cost Split Calculator

Split a trip between passengers.

Driving

Annual Mileage Calculator

Estimate miles per year from commute and personal driving.

Driving

Annual Fuel Cost Calculator

Yearly fuel budget.

Driving

Commute Cost Calculator

Monthly and annual commute expense.

Driving

MPG Savings Calculator

Compare fuel costs between vehicles.

Gig

Gig Break-even Calculator

Gross earnings needed to cover entered costs.

Gig

Deadhead Cost Calculator

Cost of unpaid miles.

Driving

Mileage Deduction Calculator

User-entered mileage rate estimate.

STARTING SEQUENCE // DISTANCE → FUEL → COST → YEAR

Choose the driving calculator by the question you have

  1. How much fuel will the trip use? Start with Fuel Needed. It now also handles proportional fuel-use word problems from a known trip.
  2. What will the trip cost? Continue to Trip Cost for gas price, tolls and splitting.
  3. How many miles do I drive in a year? Use Annual Mileage.
  4. What does the vehicle cost per mile? Use Cost Per Mile.

Formula reference

Need the equation without opening every calculator? See the consolidated formula reference for plain-English formulas and worked examples.

Annual mileage → annual fuel cost

Start with the Annual Mileage Calculator if you do not already know your miles per year, then use that result in the Annual Fuel Cost Calculator.

Road trip gas cost formula

Gas cost = trip miles ÷ MPG × gas price. The Gas Trip Cost Calculator adds tolls, parking and per-person splitting; the Fuel Needed Calculator includes current fuel, tank capacity and an arrival reserve.

Learn the fuel math

Fuel consumption word problems: calculator and worked solutions