MPG (UK) to L/100 km Converter
Quick answer: MPG (UK) to L/100 km: use L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor. For example, 25 mpg (UK) is 11.29924 L/100 km.
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Use the MPG (UK) to L/100 km Converter
MPG (UK) to L/100 km formula and what each symbol means
L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor
| Symbol | Meaning |
|---|---|
| mpg (UK) | Mile per imperial gallon |
| L/100 km | Liter per 100 kilometers |
MPG (UK) to L/100 km examples
8 mpg (UK)
8 mpg (UK) = 35.31012 L/100 km.
25 mpg (UK)
25 mpg (UK) = 11.29924 L/100 km.
40 mpg (UK)
40 mpg (UK) = 7.062023 L/100 km.
MPG (UK) compared with L/100 km
This conversion is not a straight multiplication, so a larger mpg (UK) value does not give a proportionally larger L/100 km value; always use the full formula.
About MPG and L/100 km
Mile per imperial gallon (mpg (UK)): Miles per imperial 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
Comparing a used import with a local car needs a fuel-economy conversion. Fleet and trip-cost planning start from consumption figures.
How to calculate MPG (UK) to L/100 km step by step
- Enter the value in mpg (UK).
- Apply the formula L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor.
- The result is in L/100 km. Use the reverse formula to go back.
Popular fuel consumption conversions
How to read your MPG (UK) to L/100 km result
The two are reciprocals, so conversion between them is division rather than multiplication.
| MPG (UK) | L/100 KM |
|---|---|
| 5 | 56.49619 |
| 6 | 47.08016 |
| 8 | 35.31012 |
| 10 | 28.24809 |
| 15 | 18.83206 |
| 20 | 14.12405 |
| 30 | 9.416031 |
| 40 | 7.062023 |
L/100 km to MPG (UK): quick table
| L/100 KM | MPG (UK) |
|---|---|
| 7 | 40.35442 |
| 12 | 23.54008 |
| 18 | 15.69339 |
| 22 | 12.84004 |
| 30 | 9.416031 |
| 35 | 8.070884 |
Common mistakes when calculating MPG (UK) to L/100 km
- Multiplying instead of dividing when switching between L/100 km and km/L or mpg.
- Using a single multiplier: this conversion is not a simple scale, so follow the full formula L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor.
MPG (UK) to L/100 km FAQ
What is the formula to convert MPG (UK) to L/100 km?
L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor.
What is the formula to convert L/100 km to MPG (UK)?
mpg (UK) is found by converting L/100 km to a common base (km/L) and then to mpg (UK): mpg (UK) = base ÷ factor.
What is 8 mpg (UK) in L/100 km?
8 mpg (UK) equals 35.31012 L/100 km.
What is a liter per 100 kilometers (L/100 km)?
Litres of fuel used to travel 100 km, used in Europe, Canada and India for official figures.
How can I estimate MPG to L/100 km in my head?
This conversion is not a straight multiplication, so a larger mpg (UK) value does not give a proportionally larger L/100 km value; always use the full formula.
What is 12 mpg (UK) in L/100 km?
12 mpg (UK) = 23.54008 L/100 km, using L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor.
What is 7 mpg (UK) in L/100 km?
7 mpg (UK) = 40.35442 L/100 km, using L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor.
What is 35 mpg (UK) in L/100 km?
35 mpg (UK) = 8.070884 L/100 km, using L/100 km is found by converting mpg (UK) to a common base (km/L) and then to L/100 km: L/100 km = base ÷ factor.
How many decimals should I keep when converting mpg (UK) to L/100 km?
Match the precision of your original measurement. For example, 11.29924 L/100 km rounds to 11.3 L/100 km at 3 significant figures; keep more digits only for engineering or scientific work.
More in Fuel Consumption converters
- MPG (US) to L/100 km Converter
- MPG (US) to MPG (UK) Converter
- L/100 km to km/L Converter
- km/L to MPG (US) Converter
- km/L to L/100 km Converter
- km/L 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