All posts
How to convert Kilocalorie to British thermal unit
Conversion factor and calculation steps from Kilocalorie (kcal) to British thermal unit (BTU).
Open online converterConversion logic
Each unit is defined via the base unit (joule (J)). The value is first converted to the base unit, then to the selected unit.
1 kcal = 4184 J
1 BTU = 1055.05585262 J
1 kcal × 4184 = 4184 J
4184 J ÷ 1055.05585262 = 3.96566683139 BTU