Math
MPG Tracker
Three recent fill-ups gives average MPG and trend.
Average MPG
—
- Fill 1
- —
- Fill 2
- —
- Fill 3
- —
FAQ
Why weighted average? +
Total miles divided by total gallons is the true overall MPG, not the average of per-tank numbers.
How many fill-ups for accuracy? +
At least 3, ideally 5+ on the same routes.