Units of measurement
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Kilojoule (kJ)
British Thermal Unit (BTU)
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Kilojoule (kJ)
Kilojoule (kJ) — 1000 joules, commonly used in nutrition and thermodynamics.
British Thermal Unit (BTU)
British Thermal Unit (BTU) — a unit of energy used in the US and UK, approximately equal to 1055 joules.