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⛽ Free Unit Converter

Fuel Consumption Converter Online Free

Convert fuel economy units instantly. Switch between MPG, km/L, L/100km, miles per liter, liters per mile and gallons per 100 miles.

✅ Free to use⚡ Instant conversion⛽ MPG & L/100km📱 Mobile friendly

Convert Fuel Economy

Type any fuel consumption or fuel economy value.
Choose the original fuel economy unit.
Choose the unit you want to convert to.
Quick References US MPG to L/100km = 235.214583 ÷ MPG
L/100km to US MPG = 235.214583 ÷ L/100km
km/L to L/100km = 100 ÷ km/L
km/L to US MPG = km/L × 2.35214583

Result

7.84049 L/100km 30 US MPG equals 7.84049 liters per 100 kilometers
30US MPG
36.0252Imperial MPG
7.84049L/100km
12.7543km/L
7.92516mi/L
3.33333gal/100mi

Fuel Efficiency Signal

Enter a value to estimate fuel efficiency.

Popular Conversions

How to Use the Fuel Consumption Converter

Convert fuel economy units in three simple steps.

1. Enter value

Type the MPG, L/100km, km/L or fuel consumption value.

2. Choose units

Select the original unit and the target fuel economy unit.

3. View result

See converted values across common fuel economy units instantly.

Compare fuel economy across countries and vehicles.

This Fuel Consumption Converter helps drivers, travelers, car shoppers and fleet managers compare MPG, L/100km, km/L and other fuel economy formats quickly and accurately.

You can convert US MPG, Imperial MPG, liters per 100 kilometers, kilometers per liter, miles per liter and gallons per 100 miles directly in your browser.

✅ Convert MPG, km/L and L/100km
✅ Supports US and Imperial gallons
✅ Instant browser-based conversion
✅ Helpful for travel and vehicle comparison

What is a fuel consumption converter?

A fuel consumption converter changes fuel economy values from one unit to another, such as MPG to L/100km, km/L to MPG or L/100km to MPG.

It is useful when comparing cars from different countries, planning road trips, checking gas mileage, estimating efficiency and understanding fuel consumption labels.

When should you use it?

  • Converting MPG to L/100km
  • Changing L/100km to MPG
  • Comparing US and Imperial MPG
  • Checking km/L fuel economy values
  • Comparing vehicle efficiency before buying

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Fuel Consumption Converter FAQ

Common questions about fuel economy conversion.

How do I convert MPG to L/100km?

For US MPG, divide 235.214583 by the MPG value. For example, 30 MPG equals about 7.84 L/100km.

How do I convert L/100km to MPG?

For US MPG, divide 235.214583 by the L/100km value.

Is higher MPG better?

Yes. Higher MPG means the vehicle travels farther using one gallon of fuel.

Is lower L/100km better?

Yes. Lower L/100km means the vehicle uses less fuel to travel 100 kilometers.

What is km/L?

km/L means kilometers per liter. It shows how many kilometers a vehicle can travel using one liter of fuel.

What is the difference between US MPG and Imperial MPG?

US MPG uses the US gallon, while Imperial MPG uses the larger Imperial gallon, so the numbers are different.

Can I copy the fuel conversion result?

Yes. Click Copy Result to copy the current fuel economy conversion.

Does it work on mobile?

Yes. This fuel consumption converter works on desktop, tablet and mobile browsers.