US gallons per 100 miles to Miles per gallon (US) (gal(US)/100mi → mpg (US))
Convert us gallons per 100 miles to miles per gallon (us) instantly. The conversion factor is approximate to engineering precision.
Realtime·fuel-economy·us
Approx1/x
gal(US)/100mi
1/x
mpg (US)
100
Precision [auto]
6
📐gal(US)/100mi to mpg (US) formulaApprox.
mpg (US) is a non-linear (reciprocal) function of gal(US)/100mi
Worked example: Use the converter above for an exact computed value.
ℹ️About these units
US gallons per 100 miles (gal(US)/100mi)
US EPA secondary metric.
Miles per gallon (US) (mpg (US))
United States vehicle fuel economy ratings.
📊Reference table: gal(US)/100mi → mpg (US)
| US gallons per 100 miles (gal(US)/100mi) | Miles per gallon (US) (mpg (US)) |
|---|---|
| 5 | 20 |
| 10 | 10 |
| 15 | 6.6667 |
| 20 | 5 |
| 25 | 4 |
| 30 | 3.3333 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=gallon-us-per-100mi&to=mpg-usEmbed this converter
<div data-convertnavi="gallon-us-per-100mi->mpg-us"></div>
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