km/L to mi/L Converter
Enter a value below to convert kilometers per liter to miles per liter - you multiply: mi/L = km/L × 0.62137119, so for example 10 km/L is 6.21 mi/L. For the opposite direction, use our mi/L to km/L converter.
10 km/L = 6.21 mi/L. Convert kilometers per liter to miles per liter. Need the reverse? See mi/L to km/L.
Kilometers per liter
- Definition
- Kilometers per liter (symbol: km/L) is a measure of fuel economy: the distance in kilometers a vehicle travels on one liter of fuel. A higher number means a more efficient car, so it works in the same direction as miles per liter and the opposite direction to liters per 100 km.
- History / origin
- It is built directly from two SI-based units, the kilometer and the liter, giving a simple distance-per-volume figure. It became common as motoring spread in countries that used metric distance but preferred a "more is better" economy number rather than L/100km.
- Current use
- Kilometers per liter is widely quoted in Japan, India and parts of South America and the Middle East, where drivers and manufacturers describe fuel economy as the distance covered per liter of petrol or diesel.
Miles per liter
- Definition
- Miles per liter (symbol: mi/L) is a measure of fuel economy: the distance in miles a vehicle travels on one liter of fuel. A higher number means a more efficient car. Because the fuel is measured in liters rather than gallons, no US or UK gallon is involved.
- History / origin
- It pairs the statute mile with the liter, blending imperial distance with metric volume. The unit appears where mile-based distances meet metric fuel pricing, so it is useful for translating a metric per-liter figure into miles without bringing a gallon into the calculation.
- Current use
- Miles per liter is a niche but handy unit, mainly used to express fuel economy in miles for drivers who buy fuel by the liter, such as in the United Kingdom, where pumps dispense liters but distances are in miles.
Kilometers per liter to miles per liter conversion table
| Kilometers per liter [km/L] | Miles per liter [mi/L] |
|---|---|
| 5 km/L | 3.1068559612 mi/L |
| 8 km/L | 4.9709695379 mi/L |
| 10 km/L | 6.2137119224 mi/L |
| 12 km/L | 7.4564543068 mi/L |
| 15 km/L | 9.3205678836 mi/L |
| 18 km/L | 11.1846814603 mi/L |
| 20 km/L | 12.4274238447 mi/L |
| 22 km/L | 13.6701662292 mi/L |
| 25 km/L | 15.5342798059 mi/L |
| 30 km/L | 18.6411357671 mi/L |
Popular kilometers per liter to miles per liter conversions
Everyday fuel-economy figures, rounded to two decimals - the kind of numbers you meet on real car specifications.
| Kilometers per liter [km/L] | Miles per liter [mi/L] |
|---|---|
| 8 km/L | 4.97 mi/L |
| 10 km/L | 6.21 mi/L |
| 12 km/L | 7.46 mi/L |
| 15 km/L | 9.32 mi/L |
| 18 km/L | 11.18 mi/L |
| 20 km/L | 12.43 mi/L |
| 22 km/L | 13.67 mi/L |
| 25 km/L | 15.53 mi/L |
| 28 km/L | 17.40 mi/L |
| 30 km/L | 18.64 mi/L |
How to convert km/L to mi/L
To convert km/L to mi/L, multiply the km/L value by 0.62137119. Both units describe the distance a vehicle travels on one liter of fuel, so the conversion is a single multiplication. For example, 10 km/L = 10 × 0.62137119 = 6.21 mi/L.
The factor 0.62137119 is just the number of miles in a kilometer, because one mile equals 1.609344 km. The reverse direction multiplies by that 1.609344:
mi/L = km/L × 0.62137119
km/L = mi/L × 1.609344
Example. A car rated at 15 km/L does 15 × 0.62137119 = 9.32 mi/L, while a thirstier 8 km/L does 8 × 0.62137119 = 4.97 mi/L.
When you need to convert km/L to mi/L
Drivers and buyers move between kilometers per liter and miles per liter whenever metric per-liter figures meet mile-based distances. Common cases:
- Reading a km/L fuel-economy rating from Japan or India as a familiar miles-per-liter number.
- Buying fuel by the liter while measuring trip distances in miles, as in the United Kingdom.
- Comparing an imported car's km/L spec against your own mile-based economy logs.
- Working out the real miles per liter of a rental car abroad whose trip computer shows km/L.
- Translating a manufacturer's km/L claim into miles per liter to compare two cars fairly.
Frequently asked questions
How do I convert kilometers per liter to miles per liter?
Multiply the km/L value by 0.62137119. For example, 10 km/L equals 10 × 0.62137119 = 6.21 mi/L. Both units measure distance per liter, so the conversion is a single multiplication.
What is 10 km/L in mi/L?
10 km/L is about 6.21 mi/L, found by multiplying 10 by 0.62137119. The factor comes from the fact that one mile equals 1.609344 kilometers.
What is the km/L to mi/L formula?
The formula is mi/L = km/L × 0.62137119. Both units express the distance a vehicle travels on one liter of fuel, with one measured in kilometers and the other in miles, so you simply multiply.
What is a good km/L figure in mi/L?
Around 15 to 20 km/L, or about 9.32 to 12.43 mi/L, is efficient for a modern petrol car. 10 km/L is roughly 6.21 mi/L, while under 8 km/L, below 4.97 mi/L, is thirsty.
How do I convert mi/L back to km/L?
Multiply the mi/L value by 1.609344. For example, 10 mi/L equals 10 × 1.609344 = 16.09 km/L. This is the reverse of the km/L to mi/L conversion.
Is this the US or UK gallon?
Neither. Both kilometers per liter and miles per liter are measured per liter, so no gallon is involved. Gallons matter only for mpg units, where the US gallon is 3.785 liters and the UK (Imperial) gallon is 4.546 liters.
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