Mileboard
Fuel tool

Fuel Stop Budget Calculator

Estimate gallons to buy after accounting for tank level, reserve, MPG, and trip miles.

Use this whenUse it when you know the trip miles and want a safe fuel-buy number without overfilling.

Fuel stop budget

Estimate how much to buy while protecting your reserve.

Gallons to buy36.7 gal

Trip fuel plus reserve minus fuel onboard.

Estimated fuel spend$149.71

Gallons to buy times diesel price.

Needed trip gallons101.5 gal

Trip miles divided by MPG.

Budget logic

Buy only what the trip and reserve require.

trip gallons + reserve gallons - onboard gallons

This is a budgeting helper. Actual routing, taxes, discounts, and fuel-network rules still matter.

Practical use

Useful before expensive-state fuel stops.

Run the calculator before entering a high-price market so you know whether a partial buy is enough.