Convert btu to joules

Enter the value to convert from british thermal unit to joule.

From: BTU
To: J
Result: 1 british thermal unit (btu) = 1055.0559 joules (j)

How to Convert British thermal unit to Joule

Converting british thermal unit to joule is straightforward using our conversion calculator.

Conversion Formula

J = BTU × 1055.0559

Reverse conversion: Convert joule to british thermal unit

About Joule

Definition: The joule (symbol: J) is the SI unit of energy, equal to the energy expended when applying one newton of force through one meter of distance.

History: Named after English physicist James Prescott Joule in 1889. Established the mechanical equivalent of heat and energy conservation.

Current Use: Universal scientific unit for all forms of energy: mechanical, electrical, thermal, chemical, and nuclear energy worldwide.

Examples: Apple: 350,000 J, car battery: 4.3 MJ, lightning bolt: 1-5 billion J, human daily intake: 8-10 MJ

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