13 MPG (US) to L/100km
18.1 L/100km
13 mpg = 18.1 L/100km.
L/100km
18.1L/100km
13 mpg = 18.1 L/100km
The short answer
How many L/100km is 13 MPG (US)?
13 mpg = 18.1 L/100km. L/100km = 235.214583 ÷ MPG (US), so the working is 235.214583 ÷ 13 = 18.1.
The working
MPG (US) and L/100km are reciprocals of each other, so the conversion is a division rather than a multiplication — which is why the two scales never line up evenly.
L/100km = 235.214583 ÷ MPG (US) 235.214583 ÷ 13 = 18.1
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (L/100km) | Off by |
|---|---|---|
| Whole number | 18 | −0.09343 |
| 1 decimal | 18.1 | +0.00657 |
| 2 decimals | 18.09 | −0.00343 |
Round trip: take 18.1 L/100km back the other way and you land on 12.9953 mpg — a drift of 0.0047 mpg. That gap is the rounding, not the conversion.
What 13 mpg looks like
13 mpg
America's gas guzzler tax reaches its 7,700 dollar maximum for cars rated at 12.5 mpg or less.
Frequently asked questions
What is 13 MPG (US) in L/100km?
13 MPG (US) is 18.1 L/100km. L/100km = 235.214583 ÷ MPG (US), so the working is 235.214583 ÷ 13 = 18.1.
How accurate is 18.1 L/100km?
Rounding to 18.1 L/100km and converting straight back gives 12.9953 mpg, a drift of 0.0047 mpg from the 13 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
MPG to L/100km Converter
Convert US MPG to L/100km — read a car’s economy the way the rest of the world quotes it.
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