MPG (US) to L/100 km Converter
Quick answer: MPG (US) to L/100 km: use L/100 km = 235.215 ÷ mpg (US). For example, 25 mpg (US) is 9.408583 L/100 km.
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Use the MPG (US) to L/100 km Converter
MPG (US) to L/100 km formula and what each symbol means
L/100 km = 235.215 ÷ mpg (US)
| Symbol | Meaning |
|---|---|
| mpg (US) | Mile per US gallon |
| L/100 km | Liter per 100 kilometers |
MPG (US) to L/100 km examples
8 mpg (US)
8 mpg (US) = 29.40182 L/100 km.
25 mpg (US)
25 mpg (US) = 9.408583 L/100 km.
40 mpg (US)
40 mpg (US) = 5.880365 L/100 km.
MPG (US) compared with L/100 km
This conversion is not a straight multiplication, so a larger mpg (US) value does not give a proportionally larger L/100 km value; always use the full formula.
About MPG and L/100 km
Mile per US gallon (mpg (US)): Miles per US gallon. Liter per 100 kilometers (L/100 km): Litres of fuel used to travel 100 km, used in Europe, Canada and India for official figures.
Where MPG to L/100 km conversions are used
Cars are rated in litres per 100 km in Europe and India, mpg in the US and UK, and km/L in several Asian markets. Comparing a used import with a local car needs a fuel-economy conversion.
How to calculate MPG (US) to L/100 km step by step
- Enter the value in mpg (US).
- Apply the formula L/100 km = 235.215 ÷ mpg (US).
- The result is in L/100 km. Use the reverse formula to go back.
Popular fuel consumption conversions
How to read your MPG (US) to L/100 km result
The two are reciprocals, so conversion between them is division rather than multiplication.
| MPG (US) | L/100 KM |
|---|---|
| 5 | 47.04292 |
| 6 | 39.20243 |
| 8 | 29.40182 |
| 10 | 23.52146 |
| 15 | 15.68097 |
| 20 | 11.76073 |
| 30 | 7.840486 |
| 40 | 5.880365 |
L/100 km to MPG (US): quick table
| L/100 KM | MPG (US) |
|---|---|
| 7 | 33.60208 |
| 12 | 19.60122 |
| 18 | 13.06748 |
| 22 | 10.69157 |
| 30 | 7.840486 |
| 35 | 6.720417 |
Common mistakes when calculating MPG (US) to L/100 km
- Using mpg (US) and mpg (UK) as the same: 1 UK mpg is about 1.2 US mpg.
- Using a single multiplier: this conversion is not a simple scale, so follow the full formula L/100 km = 235.215 ÷ mpg (US).
MPG (US) to L/100 km FAQ
What is the formula to convert MPG (US) to L/100 km?
L/100 km = 235.215 ÷ mpg (US).
What is the formula to convert L/100 km to MPG (US)?
mpg (US) = 235.215 ÷ (L/100 km).
What is 8 mpg (US) in L/100 km?
8 mpg (US) equals 29.40182 L/100 km.
What is a mile per US gallon (mpg (US))?
Miles per US gallon.
How can I estimate MPG to L/100 km in my head?
This conversion is not a straight multiplication, so a larger mpg (US) value does not give a proportionally larger L/100 km value; always use the full formula.
What is 18 mpg (US) in L/100 km?
18 mpg (US) = 13.06748 L/100 km, using L/100 km = 235.215 ÷ mpg (US).
What is 12 mpg (US) in L/100 km?
12 mpg (US) = 19.60122 L/100 km, using L/100 km = 235.215 ÷ mpg (US).
What is 7 mpg (US) in L/100 km?
7 mpg (US) = 33.60208 L/100 km, using L/100 km = 235.215 ÷ mpg (US).
How many decimals should I keep when converting mpg (US) to L/100 km?
Match the precision of your original measurement. For example, 9.408583 L/100 km rounds to 9.41 L/100 km at 3 significant figures; keep more digits only for engineering or scientific work.
More in Fuel Consumption converters
- MPG (UK) to L/100 km Converter
- km/L to MPG (UK) Converter
- MPG (UK) to km/L Converter
- km/L to MPG (US) Converter
- L/100 km to km/L Converter
- L/100 km to MPG (UK) Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors