How many Kilocalorie are in 1 British Thermal Unit?

One british thermal unit equals 0.252165 kilocalorie.

Can I convert Kilocalorie back to British Thermal Unit?

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

British Thermal Unit to Kilocalorie Converter

BTU → kcal

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

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How to Convert British Thermal Unit to Kilocalorie

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

Formula: Kilocalorie = British Thermal Unit × 0.252165

Quick steps

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

Common British Thermal Unit to Kilocalorie Conversions

British Thermal Unit	Kilocalorie
1	0.252165
5	1.260827
10	2.521654
25	6.304135
50	12.60827
100	25.216539

Frequently Asked Questions

Multiply your british thermal unit value by 0.252165. For example, 10 BTU = 2.521654 kcal.

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Convert British Thermal Unit to Kilocalorie