Owner operator standing beside freightliner cascadia at rest stop, representing Bonafide Trucking Solutions dispatch services that keep trucks loaded and earning

operations calculator

Fuel Mileage (MPG) Calculator

Track true MPG from gallons and miles between fill-ups.

Updated July 10, 2026 · reviewed by the Bonafide Dispatch operations team
Free · no signup · nationwide (all 50 U.S. states)
2026 U.S. freight benchmarks built in

Quick answer

MPG = miles driven ÷ gallons used. 1,150 miles on 175 gallons is 6.57 MPG.

Updated July 10, 2026Reviewed by the Bonafide Dispatch operations teamFree · No signup · Works nationwide (all 50 U.S. states)

Quick facts

Category: Operations
Formula: MPG = Miles ÷ Gallons.
Inputs: 2
Best for: Owner-operators & fleets

Inputs

Miles drivenmiGallons usedgal

Results

MPG

6.57

Gallons per 100 mi

15.2 gal

2026 U.S. reference benchmarks

Reviewed quarterly · DOE EIA · ATA · ATRI · FMCSA · DAT/Truckstop

Class 8 dry van (loaded MPG): 6.5 – 7.2 MPG
Reefer with unit running: 6.0 – 6.7 MPG
Flatbed (loaded MPG): 6.2 – 7.0 MPG

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What this calculator does

Track true MPG from gallons and miles between fill-ups.

Definition: Fuel Mileage — Miles per gallon is the standard measure of truck fuel efficiency.

Why it matters

Owner-operators and fleet managers across the United States — from Texas and California freight lanes to the Midwest and Southeast — rely on the fuel mileage numbers to price loads, negotiate with brokers, and protect margin. Getting this figure right is the difference between a profitable week and a break-even one, and it's the same math our dispatchers run on every load we book.

Methodology

This calculator uses the industry-standard formula shown below. Inputs and defaults are based on Bonafide's day-to-day dispatch operations across U.S. carriers, cross-checked against FMCSA guidance and DAT/Truckstop market data. Results render as plain text (not canvas or images) so they're readable by screen readers, search engines, and AI assistants.

How to use it

Step 1
Fill to same click each time
Inconsistent fill levels destroy MPG accuracy.

The formula

MPG = Miles ÷ Gallons.

Worked examples

Example 1
Cascadia loaded
miles
1150
gallons
175
Result: 6.57 MPG

FAQ

What's a good Class 8 MPG?

Modern Class 8 dry van: 6.5–7.2 MPG loaded. Reefer with unit running: 5.8–6.5 MPG.