21 mpg to l/100 km
21 mpg (US) = 11.2 l/100 km = 8.93 km/l. 21 mpg (UK) = 13.45 l/100 km = 7.43 km/l. A UK gallon is bigger, so 21 mpg on a British car equals 17.5 mpg on a US gauge.
How to convert 21 mpg to l/100 km
- US mpg: 235.21 ÷ 21 = 11.2 l/100 km
- UK mpg: 282.48 ÷ 21 = 13.45 l/100 km
- km/l (US mpg): 100 ÷ 11.2 = 8.93 km/l
Values around 21 mpg
| mpg | l/100 km (US) | l/100 km (UK) | km/l (US) |
|---|---|---|---|
| 16 mpg | 14.7 | 17.66 | 6.8 |
| 17 mpg | 13.84 | 16.62 | 7.23 |
| 18 mpg | 13.07 | 15.69 | 7.65 |
| 19 mpg | 12.38 | 14.87 | 8.08 |
| 20 mpg | 11.76 | 14.12 | 8.5 |
| 21 mpg | 11.2 | 13.45 | 8.93 |
| 22 mpg | 10.69 | 12.84 | 9.35 |
| 23 mpg | 10.23 | 12.28 | 9.78 |
| 24 mpg | 9.8 | 11.77 | 10.2 |
| 25 mpg | 9.41 | 11.3 | 10.63 |
| 26 mpg | 9.05 | 10.86 | 11.05 |
Cars that get about 21 mpg
Models whose official US combined rating range includes 21 mpg (the exact figure depends on engine and trim).
- Jeep Grand Cherokee 21–23 mpg combined (US)
- Toyota Tacoma 20–23 mpg combined (US)
- Ford Explorer 19–24 mpg combined (US)
- Ford Ranger 17–23 mpg combined (US)
- Ram 1500 12–23 mpg combined (US)
- Ford F-Series 12–24 mpg combined (US)
- GMC Sierra 15–68 mpg combined (US)
- Chevrolet Silverado 15–70 mpg combined (US)
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Questions
How many l/100 km is 21 mpg?
21 mpg (US) is 11.2 l/100 km. 21 mpg (UK, imperial gallon) is 13.45 l/100 km. Use the US figure for American cars and EPA ratings, and the UK figure for British cars and older UK adverts.
Is 21 mpg good?
It is typical for a large SUV or a petrol sedan with a big engine.
How do I work out 21 mpg in l/100 km myself?
Divide 235.21 by 21 for US mpg (11.2), or 282.48 by 21 for UK mpg (13.45). The same formula works backwards from l/100 km to mpg.