Gallons US per 100 Miles (gal US/100 mi) to Miles per Gallon UK (mpg UK)
Convert Gallons US per 100 Miles (gal US/100 mi) to Miles per Gallon UK (mpg UK). Explore the formula, examples, and important unit differences. Check units.
Gallons US per 100 Miles (gal US/100 mi) to Miles per Gallon UK (mpg UK) conversion table
Here are the most common conversions for Gallons US per 100 Miles (gal US/100 mi) to Miles per Gallon UK (mpg UK) at a glance.
| Gallons US per 100 Miles (gal US/100 mi) | Miles per Gallon UK (mpg UK) |
|---|---|
| 0.1 | 1,200.94992550 |
| 0.5 | 240.18998510 |
| 1 | 120.09499255 |
| 2 | 60.04749628 |
| 3 | 40.03166418 |
| 5 | 24.01899851 |
| 10 | 12.00949926 |
| 20 | 6.00474963 |
| 30 | 4.00316642 |
| 50 | 2.40189985 |
| 100 | 1.20094993 |
Gallons US per 100 Miles (gal US/100 mi) to Miles per Gallon UK (mpg UK) conversion
Use the Gallons US per 100 Miles (gal US/100 mi) to Miles per Gallon UK (mpg UK) converter to compare vehicle figures reported in different fuel units. Enter a positive value, choose a precision from 0 to 12 decimal places, and select Submit. Read the output with its complete destination label. Distance per unit of fuel and fuel per unit of distance run in opposite directions. Higher economy corresponds to lower consumption.
Formula and direction
output = 120.094993 ÷ input. This factor is rounded here for readability; retain the underlying unit definitions for further calculations. This is a reciprocal conversion: doubling the source value halves the destination value. A fixed multiplier alone is incorrect.
Worked examples
A value of 10 gal US/100 mi converts to approximately 12.009499 mpg UK. A value of 20 gal US/100 mi converts to approximately 6.00475 mpg UK. These are unit conversion examples, not estimates of what a particular vehicle will achieve.
Keep gallon definitions consistent
Use the U.S. liquid gallon, which is 3.785411784 liters, for any US label. Use the Imperial gallon, which is 4.54609 liters, for any UK label. These are different volume units, so an unlabeled mpg figure is ambiguous.
Frequently asked questions
Can I enter zero?
This converter requires a positive input and rejects zero or negative values. A reciprocal calculation divides by the input, so zero has no finite converted result. Use a positive measured value for fuel comparisons.
Does converting make two vehicle tests comparable?
It puts their units on the same basis. It does not remove differences in speed, route, weather, driving style, or test procedure. Keep those conditions in mind when comparing the converted figures.
Related converters
Fuel economy converter tools | Miles per Gallon UK (mpg UK) to Gallons US per 100 Miles (gal US/100 mi) | Gallons US per 100 Miles (gal US/100 mi) to Liters per 100 Kilometers (L/100 km) | Gallons US per 100 Miles (gal US/100 mi) to Kilometers per Liter (km/L)
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