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Convert British thermal units to kilocalories

Convert British thermal units (BTU) to kilocalories (kcal). 1 BTU = 0.252164 kcal, and 1 kcal = 3.96567 BTU.

1,000 BTU = 252.164 kcal

BTU to KCAL formula

kcal = BTU × 0.2521644007

Multiply the number of British thermal units by 0.2521644007.

Example: To convert 1,000 BTU to kilocalories: 1,000 × 0.2521644007 = 252.164 kcal.

Quick answers

What is 1,000 BTU in kilocalories?
1,000 BTU = 252.164 kcal
What is 12,000 BTU in kilocalories?
12,000 BTU = 3,025.97 kcal

BTU to KCAL conversion table

KCAL to BTU table
British thermal units (BTU)kilocalories (kcal)
1 BTU0.252164 kcal
100 BTU25.2164 kcal
1,000 BTU252.164 kcal
3,412 BTU860.385 kcal
5,000 BTU1,260.82 kcal
8,000 BTU2,017.32 kcal
10,000 BTU2,521.64 kcal
12,000 BTU3,025.97 kcal
18,000 BTU4,538.96 kcal
24,000 BTU6,051.95 kcal
36,000 BTU9,077.92 kcal
100,000 BTU25,216.4 kcal

Frequently asked questions

How many British thermal units are in a kilocalorie?

There are 3.96567 British thermal units in a kilocalorie (1 kcal = 3.96567 BTU), so 1 BTU = 0.252164 kcal.

How do I convert British thermal units to kilocalories?

Multiply the number of British thermal units by 0.2521644007. To convert 1,000 BTU to kilocalories: 1,000 × 0.2521644007 = 252.164 kcal.

Is the BTU to KCAL conversion exact?

Yes. Both units are defined exactly, so 1 british thermal unit is exactly 0.252164400722 kilocalories. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1,000 BTU in kilocalories?

1,000 BTU = 252.164 kcal.

How do I convert kilocalories back to British thermal units?

Use the reverse relationship: 1 kcal = 3.96567 BTU. The KCAL to BTU page has a converter and a full table.

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