Fuel Economy Converter

Convert between MPG, L/100km, km/L and more fuel efficiency units.

1 L/100km = 235.215 MPG
UnitValue
MPG (US)235.215
MPG (UK)282.481
km/L100
Miles/L62.1371

How to convert MPG to L/100km?

Divide 235.215 by the MPG value. E.g. 30 MPG = 235.215/30 ≈ 7.84 L/100km.

How to convert L/100km to km/L?

Divide 100 by the L/100km value. E.g. 8 L/100km = 100/8 = 12.5 km/L.

Is US MPG the same as UK MPG?

No. US gallon = 3.785 L, UK gallon = 4.546 L. 30 MPG (US) ≈ 36 MPG (UK).

What is a good fuel economy?

In the US, 30+ MPG is considered good. In metric, 7 L/100km or less is efficient.

How to Use Fuel Economy Converter?

  1. 1Enter your input values, numbers, or dates into the fields above.
  2. 2Adjust calculation parameters, units, or values to fit your specific needs.
  3. 3View the calculated result instantly. Many of our tools provide complete breakdowns, tables, or interactive details below.

Easy & Instant

Get results in real-time as you type or adjust your inputs for Fuel Economy Converter.

High Accuracy

All mathematical calculations use industry-standard formulas to guarantee accurate outputs.

Free & Secure

Calculate with complete privacy. Your inputs are never sent to our servers — everything is computed locally.

Frequently Asked Questions

Is Fuel Economy Converter free to use?
Yes, Fuel Economy Converter is 100% free with no hidden charges, premium subscriptions, or limits. You can use it as much as you need.
How does the Fuel Economy Converter tool work?
Convert between MPG, L/100km, km/L and more fuel efficiency units. All operations are processed entirely inside your web browser using HTML5 features. Your files or input data are never uploaded to any server.
Is my data secure with Fuel Economy Converter?
Absolutely. Since the processing runs client-side in your own browser, your data never leaves your device. This makes it completely secure and private.