18 mpg to l/100 km
18 mpg (US) = 13.07 l/100 km = 7.65 km/l. 18 mpg (UK) = 15.69 l/100 km = 6.37 km/l. A UK gallon is bigger, so 18 mpg on a British car equals 15 mpg on a US gauge.
How to convert 18 mpg to l/100 km
- US mpg: 235.21 ÷ 18 = 13.07 l/100 km
- UK mpg: 282.48 ÷ 18 = 15.69 l/100 km
- km/l (US mpg): 100 ÷ 13.07 = 7.65 km/l
Values around 18 mpg
| mpg | l/100 km (US) | l/100 km (UK) | km/l (US) |
|---|---|---|---|
| 13 mpg | 18.09 | 21.73 | 5.53 |
| 14 mpg | 16.8 | 20.18 | 5.95 |
| 15 mpg | 15.68 | 18.83 | 6.38 |
| 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 |
Cars that get about 18 mpg
Models whose official US combined rating range includes 18 mpg (the exact figure depends on engine and trim).
- 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)
← 17 mpg to l/100 km19 mpg to l/100 km →
Need another number, l/100 km to mpg, or km/l? Use the full fuel economy converter.
Questions
How many l/100 km is 18 mpg?
18 mpg (US) is 13.07 l/100 km. 18 mpg (UK, imperial gallon) is 15.69 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 18 mpg good?
It is low: typical of large trucks, performance cars and older V8s.
How do I work out 18 mpg in l/100 km myself?
Divide 235.21 by 18 for US mpg (13.07), or 282.48 by 18 for UK mpg (15.69). The same formula works backwards from l/100 km to mpg.