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Fuel Converter

Convert fuel economy and consumption values for vehicles, trip estimates, specs, and international unit comparisons.

Last updated: June 1, 2026

Client-Side Processing
Input Data Stays on Device
Instant Local Execution
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What is Fuel Converter?

This converter uses kilometers per liter as the internal base, then handles both distance-per-fuel units and inverse consumption units like L/100 km.

How to Use Fuel Converter

1

Enter a fuel value.

2

Choose the source unit.

3

Choose the target unit.

4

Adjust precision if needed.

5

Copy the converted result.

Common Use Cases

  • Converting mpg to L/100 km.
  • Comparing US and imperial mpg.
  • Changing km/L values for vehicle specs.
  • Estimating consumption for trip notes.

Example Input and Output

Convert a common highway fuel economy value.

Input
25 mpg US
Output
9.408583 L/100 km

Data Privacy

Fuel values are converted locally in your browser.

Frequently Asked Questions

Why is L/100 km different from mpg?

L/100 km is a consumption unit, so it is the inverse of distance-per-fuel units like mpg and km/L.

Does this include imperial mpg?

Yes. US gallons and imperial gallons are handled separately.

Is data uploaded?

No. Fuel unit conversion runs locally in your browser.

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