How many British Thermal Unit are in 1 Kilocalorie?

One kilocalorie equals 3.965651 british thermal unit.

Can I convert British Thermal Unit back to Kilocalorie?

Yes. Enter a value in either field to convert from Kilocalorie (kcal) to British Thermal Unit (BTU) or the reverse — results update instantly.

Kilocalorie to British Thermal Unit Converter

kcal → BTU

Convert between joules, calories, BTU, kWh, and more energy units. Perfect for physics, nutrition, and electricity calculations.

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How to Convert Kilocalorie to British Thermal Unit

Enter a value above, select your units, and get instant results. Works both ways — Kilocalorie to British Thermal Unit or British Thermal Unit to Kilocalorie.

Formula: British Thermal Unit = Kilocalorie × 3.965651

Quick steps

Enter the value you want to convert in the "Kilocalorie" field.
Select "Kilocalorie" as your "From" unit.
Select "British Thermal Unit" as your "To" unit.
The converted result appears instantly in the "British Thermal Unit" field.
To reverse the conversion, enter a value in the "British Thermal Unit" field instead.

Common Kilocalorie to British Thermal Unit Conversions

Kilocalorie	British Thermal Unit
1	3.965651
5	19.828256
10	39.656512
25	99.141281
50	198.282562
100	396.565124

Frequently Asked Questions

Multiply your kilocalorie value by 3.965651. For example, 10 kcal = 39.656512 BTU.

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Convert Kilocalorie to British Thermal Unit