Use this imperial-gallons-per-100-miles to us-gallons-per-100-miles converter to change an imperial gallon per 100 miles measurement into its us gallon per 100 miles equivalent. Enter a number in the calculator above and the result updates instantly.
Fuel economy conversions are useful for comparing car efficiency, MPG ratings, L/100km fuel consumption, trip planning, and international vehicle specifications.
What is an imperial gallon per 100 miles?
Imperial Gallon per 100 Miles (imp gal/100 mi) is a fuel economy unit.
What is a us gallon per 100 miles?
US Gallon per 100 Miles (US gal/100 mi) is a fuel economy unit.
Imperial Gallons Per 100 Miles to Us Gallons Per 100 Miles Converter formula
To convert imperial gallons per 100 miles to US gallons per 100 miles, use the formula below.
Imperial Gallon per 100 Miles and US Gallon per 100 Miles use the same fuel economy direction, so the conversion can be handled with a standard factor.
How to convert imperial-gallons-per-100-miles to us-gallons-per-100-miles
Start with the imperial gallon per 100 miles value, apply the formula, and round the result only after the calculation is complete.
Example: 10 imp gal/100 mi = 12.0094992568 US gal/100 mi.
- 1 imp gal/100 mi = 1.2009499257 US gal/100 mi
- 10 imp gal/100 mi = 12.0094992568 US gal/100 mi
- 100 imp gal/100 mi = 120.094992568 US gal/100 mi
Manual conversion steps
- Write down the value in imperial gallons per 100 miles.
- Use the conversion formula: US gallons per 100 miles = imperial gallons per 100 miles x 1.20094992568.
- Calculate the result in US gallons per 100 miles.
- Round the answer to the number of decimal places you need.
For quick checking, the converter above performs the same calculation automatically.
Common imperial-gallons-per-100-miles to us-gallons-per-100-miles use cases
This conversion is useful in practical situations where measurements need to move between different unit systems or audiences.
- Convert imperial gallons per 100 miles to US gallons per 100 miles when comparing vehicle fuel economy ratings across US, UK, European, and metric references.
- Fuel economy conversions help compare MPG, km/L, L/100km, and gallons per 100 miles without mixing up efficiency and consumption units.
Common mistakes when converting imperial-gallons-per-100-miles to us-gallons-per-100-miles
These are the most common issues to watch for when doing this conversion by hand.
- Do not treat every fuel economy conversion as simple multiplication. MPG to L/100km and L/100km to MPG use reciprocal formulas.
- Remember that higher MPG or km/L is better, while lower L/100km or gallons per 100 miles is better.
- Check whether MPG means US gallons or imperial gallons before comparing vehicle ratings.
Imperial Gallons Per 100 Miles to Us Gallons Per 100 Miles conversion table
| Imperial Gallon per 100 Miles | US Gallon per 100 Miles |
|---|---|
| 1 imp gal/100 mi | 1.2009499257 US gal/100 mi |
| 5 imp gal/100 mi | 6.0047496284 US gal/100 mi |
| 10 imp gal/100 mi | 12.0094992568 US gal/100 mi |
| 25 imp gal/100 mi | 30.0237481419 US gal/100 mi |
| 50 imp gal/100 mi | 60.0474962838 US gal/100 mi |
| 100 imp gal/100 mi | 120.094992568 US gal/100 mi |
How to convert us-gallons-per-100-miles to imperial-gallons-per-100-miles
To reverse the conversion, switch the two units in the calculator or open the reverse conversion page: us-gallons-per-100-miles to imperial-gallons-per-100-miles.
Reversing the units is useful when you already have a value in US gallons per 100 miles and need the equivalent value in imperial gallons per 100 miles.
How to use this imperial-gallons-per-100-miles to us-gallons-per-100-miles converter
- Enter the number you want to convert in the value field.
- Confirm that the from unit is Imperial Gallon per 100 Miles and the to unit is US Gallon per 100 Miles.
- Read the converted result in the result box.
- Use the copy button if you want to paste the answer elsewhere.
Related fuel economy conversions
More fuel economy converters
More from Imperial Gallon per 100 Miles
More to US Gallon per 100 Miles
Popular fuel economy pages
FAQ
What is the formula for imperial-gallons-per-100-miles to us-gallons-per-100-miles?
The formula is: US gallons per 100 miles = imperial gallons per 100 miles x 1.20094992568.
How do I convert imperial-gallons-per-100-miles to us-gallons-per-100-miles by hand?
Write down the value in imperial gallons per 100 miles, apply the formula, and round the final result in US gallons per 100 miles.
How accurate is this converter?
The converter uses standard conversion factors and shows rounded results for readability.
Can I reverse the conversion?
Yes. Use the swap button in the converter or open the related reverse conversion page.
Why do results sometimes have many decimal places?
Some unit conversions do not produce short decimal values. Keep more decimal places for technical work, and round the answer for everyday use.
Why do MPG and L/100km conversions use division?
MPG measures distance per fuel amount, while L/100km measures fuel amount per distance. Because the direction is reversed, many fuel economy conversions use a reciprocal formula.