MPG to L/100km Converter

Convert miles per gallon to liters per 100 kilometers. Use this MPG to L/100km converter to compare US fuel economy ratings with international fuel consumption numbers and estimate fuel used for a trip.

Convert MPG to L/100km

25 MPG US = 9.41 L/100km
Your MPG to L/100km result will appear here.

Common MPG to L/100km conversions

MPG US to L/100km:
L/100km = 235.214583 ÷ MPG US

MPG UK to L/100km:
L/100km = 282.480936 ÷ MPG UK

MPG US to km/L:
km/L = MPG US × 0.425144

Fuel used:
liters = L/100km × kilometers ÷ 100

Where MPG to L/100km conversions are used

MPG to L/100km conversions are useful for comparing US vehicle ratings with international fuel consumption numbers, checking car specs, comparing used cars, planning road trips, estimating fuel used, and comparing vehicle efficiency.

Use this converter when a vehicle listing shows MPG but you need liters per 100 kilometers.

What your MPG to L/100km result means

Your result shows the entered MPG converted to liters per 100 kilometers. The converter also displays km/L, estimated fuel used for a trip, and estimated fuel cost.

Real fuel economy can change because of traffic, speed, road grade, tire pressure, weather, vehicle load, towing, engine condition, fuel type, and driving habits.

MPG to L/100km converter tips

Frequently asked questions

How do I convert MPG US to L/100km?

Divide 235.214583 by the MPG US value. For example, 25 MPG US equals about 9.41 L/100km.

How do I convert MPG UK to L/100km?

Divide 282.480936 by the MPG UK value. For example, 25 MPG UK equals about 11.30 L/100km.

Is lower L/100km better?

Yes. Lower L/100km means the vehicle uses fewer liters of fuel to travel 100 kilometers.

Is higher MPG better?

Yes. Higher MPG means the vehicle travels farther on each gallon of fuel.

Why are MPG US and MPG UK different?

They use different gallon sizes. A UK imperial gallon is larger than a US gallon, so MPG UK values are usually higher for the same vehicle efficiency.