MPG Calculator
Calculate your vehicle's miles per gallon. Track fuel efficiency over time and compare actual MPG to manufacturer estimates.
How to Calculate MPG
- 1 Enter the miles driven since your last fill-up
- 2 Enter the gallons of fuel used
- 3 Optionally enter gas price to see cost per mile
- 4 Click Calculate MPG to see your fuel efficiency
- 5 Use the trip log to track MPG over time
🔒 Instant results, faster than AI. No signup. 100% private.
Last updated: January 15, 2026 · v2.1