Gallon per Mile Calculator

Formatting only. This does not change the calculation.
Choose "distance and fuel used" to work economy out from a tank fill.
Used when converting an existing figure.
Odometer difference between two fill-ups. Used in "distance and fuel used" mode, and as the trip length when converting.
Volume needed to refill the tank after that distance.
Price per unit of the fuel volume unit above (per US gallon, per imperial gallon or per litre).
Converted economy
0.1000
Fuel Economy Converter and MPG Calculator
Converted unit
US gallons per mile (gal/mi)
Miles per US gallon
10.0000 mpg
Miles per imperial gallon
12.0095 mpg
Kilometres per litre
4.2514 km/L
Litres per 100 km
23.5215 L/100km
Miles per litre
2.6417 mi/L
Kilometres per US gallon
16.0934 km/gal
US gallons per mile
0.100000 gal/mi
US gallons per 100 miles
10.0000 gal/100 mi
Fuel needed for the distance
10.0000
Fuel volume unit
US gallons
Worked out from NIST Handbook 44, Appendix C - General Tables of Units of Measurement and 3 other sources.

How this is worked out

4 steps
  1. Distance 100 mi = 160.9344 km; fuel 10 gal-us = 37.8541 L.
  2. Economy = 160.9344 km / 37.8541 L = 4.25144 km/L.
  3. 4.251437 km/L = 0.1 gal-us/mi.
  4. Fuel for 100 mi = 160.9344 km / 4.251437 km/L = 37.8541 L = 10 gal-us.

Results are general information, not financial, tax, legal, medical or engineering advice.