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Convert BTU to Wh instantly with an accurate, free calculator. Type any value to see the result update.
Uses the International Table definition: 1 BTU (IT) = 1,055.05585262 joules, not the thermochemical BTU. Source: NIST Guide for the Use of the International System of Units.
One bTU equals 0.293071 Wh. This value is calculated by the same conversion engine used above.
Use the formula BTU × 0.293071. For example, 1 BTU equals 0.293071 Wh.
1 BTU is 0.293071 Wh.
Yes. The converter is free to use, requires no account, and updates the result as you type.
