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Fuel Economy Unit Converter - Free Online Tool

Free online fuel economy unit converter.

Convert between all fuel economy units instantly with accurate results, formulas, and reference tables.

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Frequently Asked Questions

Common questions about the Fuel Economy Unit Converter - Free Online Tool

Diesel is ~15% more energy-dense than gasoline, so comparing MPG directly is misleading. Diesel typically achieves 20-30% better MPG but produces more CO2 per gallon. Energy-equivalent comparison uses diesel gallon equivalent (DGE).