Fuel Energy Converter
Free online energy unit converter.
Convert between all energy units instantly with accurate results, formulas, and reference tables.
No signup required.
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Frequently Asked Questions
Common questions about the Fuel Energy Converter
Gasoline: 34 MJ/L. Diesel: 38 MJ/L. Natural gas: 39 MJ/m³. Coal: 24-35 MJ/kg. Hydrogen: 142 MJ/kg.
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Sources & References
International System of Units (SI): energy, work and heat
Energy, work and heat is measured in the joule (J); 1 cal = 4.184 J. Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
International System of Units (SI)
Authoritative definitions for energy, work and heat, from the BIPM SI Brochure (9th edition), the defining reference for the SI.