Fuel Converter
From: miles/gallon (US) (mpg)
To: liters/100 kilometer
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Part of Unit converters
About Fuel Economy Converter
Convert between miles per gallon (US), liters per 100 kilometers, and km per liter. Fuel economy labels differ by country; comparisons need consistent units.
How to Use Fuel Economy Converter
Pick the economy unit on the window sticker or ad. Enter the value. Select the unit your audience understands. Compare vehicles on equal footing.
When to Use Fuel Economy Converter
Car shopping: Compare EU l/100 km with US MPG figures. Fleet management: Normalize driver reports across regions. Environmental reporting: Translate economy into consistent metrics. Education: Practice inverse relationships between MPG and consumption per distance.
Why Use This Fuel Economy Converter?
Higher MPG means better economy, but lower L/100 km also means better economy—the scales run opposite ways. Convert instead of mentally inverting.
How to use
1. Pick the economy unit on the window sticker or ad.
2. Enter the value.
3. Select the unit your audience understands.
4. Compare vehicles on equal footing.
Frequently asked questions
How accurate is Fuel Economy Converter?
Conversions use standard factors with high precision. Results update as you change values or units—verify critical engineering work against your required tolerance.
Where is my input stored?
Measurements stay in your browser. Case Modify does not upload values for this tool to work.
Can I convert between any two supported units?
Select source and target units from the dropdowns. Swap selections anytime to reverse the calculation.