UnitCalcPro

BTU to Kilocalories Converter

Convert BTU to kcal instantly. 1 BTU = 0.2521644007 kcal.

0.2521644007

Conversion Formula

kcal = BTU × 0.2521644007

Example

25 BTU × 0.2521644007 = 6.304110018 kcal

Convert the other way: Kilocalories to BTU →

BTU to Kilocalories Conversion Table

BTU (BTU)Kilocalories (kcal)
0.10.02521644007
0.50.1260822004
10.2521644007
20.5043288014
51.260822004
102.521644007
205.043288014
256.304110018
5012.60822004
10025.21644007
500126.0822004
1,000252.1644007

About These Units

BTU (BTU)
The British thermal unit, about 1,055.06 J, roughly the heat that raises one pound of water by 1 °F. It is used in the United States for furnace, air conditioner, and natural gas energy figures.
Kilocalories (kcal)
Exactly 1,000 calories, or 4,184 J using the thermochemical calorie. This is the Calorie printed on US food labels, and it is the unit for daily diets and exercise energy estimates.

Frequently Asked Questions

How many kcal are in 1 BTU?
1 BTU equals 0.2521644007 kcal.
How do I convert BTU to Kilocalories?
Multiply your BTU value by 0.2521644007. For example, 25 BTU × 0.2521644007 = 6.304110018 kcal.
How many BTU are in 1 kcal?
1 kcal equals 3.965666831 BTU.

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