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Convert kcal to BTU 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 kilocalories equals 3.96567 BTU. This value is calculated by the same conversion engine used above.
Use the formula kcal × 3.96567. For example, 500 kcal equals 1982.83 BTU.
500 kcal is 1982.83 BTU.
Yes. The converter is free to use, requires no account, and updates the result as you type.
