FreeDeveloperTools

Fuel Converter - Fuel Economy & Mileage Unit Converter

Convert between MPG, km/l, liters per 100km, and other fuel economy units with precision and ease.

Input Fuel Economy

Converted Fuel Economy

Converted value will appear here

What is Fuel Converter?

Fuel Converter is a free online tool that converts between different units of fuel economy. It supports imperial units (miles per gallon) and metric units (kilometers per liter, liters per 100 kilometers). Ideal for automotive, travel planning, and fuel efficiency calculations.

How to Use Fuel Converter

  1. Enter the fuel economy value in the input field
  2. Select the source unit from the dropdown menu
  3. Select the target unit from the output dropdown
  4. The conversion happens automatically as you type
  5. Use the "Swap Units" button to quickly reverse the conversion
  6. Copy the result using the copy button
  7. Use "Clear" to reset all values

Supported Units

Metric Units

  • • Kilometers per Liter (km/L)
  • • Liters per 100 Kilometers (L/100km)

Imperial Units

  • • Miles per Gallon (mpg)

Frequently Asked Questions

How accurate are the conversions?

All conversions use standard formulas and are accurate to 6 decimal places. For most practical purposes, this provides excellent precision.

Can I convert very large or small numbers?

Yes, the converter handles a wide range of positive values. For very large numbers, scientific notation may be used for display.

Is my data secure?

Yes, all calculations happen locally in your browser. Your data never leaves your device.

Can I use this offline?

Yes, once loaded, the converter works completely offline in your browser.