Kilocalories → British thermal units converter (kcal to BTU) - Energy Converter

Table Of Contents

Kilocalories to British thermal units Conversion
Formula
Examples
- Convert 100 kilocalories to British thermal units:
Conversion table

Kilocalories to British thermal units Conversion

1 kilocalories (kcal) is equal to 3.965666831 British thermal units (BTU).

1 kcal = 3.965666831 BTU

1 BTU = 0.2521644007 kcal

Formula

To convert a energy from kilocalories (kcal) to British thermal units (BTU), multiply the energy in kilocalories by 3.965666831

e_(BTU) = e_(kcal) × 3.965666831

Examples:

Convert 100 kilocalories to British thermal units:

e_(BTU) = 100kcal × 3.965666831 = 396.5666831 BTU

Conversion table

Kilocalories (kcal)	British thermal units (BTU)
1 kcal	3.965666831 BTU
2 kcal	7.931333663 BTU
3 kcal	11.897000494 BTU
5 kcal	19.828334157 BTU
10 kcal	39.656668314 BTU
20 kcal	79.313336628 BTU
25 kcal	99.141670785 BTU
50 kcal	198.28334157 BTU
100 kcal	396.566683139 BTU
250 kcal	991.416707848 BTU
500 kcal	1982.833415695 BTU
1000 kcal	3965.666831391 BTU

Kilocalories (kcal)

British thermal units (BTU)

1 kcal

3.965666831 BTU

2 kcal

7.931333663 BTU

3 kcal

11.897000494 BTU

5 kcal

19.828334157 BTU

10 kcal

39.656668314 BTU

20 kcal

79.313336628 BTU

25 kcal

99.141670785 BTU

50 kcal

198.28334157 BTU

100 kcal

396.566683139 BTU

250 kcal

991.416707848 BTU

500 kcal

1982.833415695 BTU

1000 kcal

3965.666831391 BTU

British thermal units (BTU)	Kilocalories (kcal)
1 BTU	0.252164401 kcal
2 BTU	0.504328801 kcal
3 BTU	0.756493202 kcal
5 BTU	1.260822004 kcal
10 BTU	2.521644007 kcal
20 BTU	5.043288014 kcal
25 BTU	6.304110018 kcal
50 BTU	12.608220036 kcal
100 BTU	25.216440072 kcal
250 BTU	63.04110018 kcal
500 BTU	126.082200361 kcal
1000 BTU	252.164400722 kcal

British thermal units (BTU)

Kilocalories (kcal)

1 BTU

0.252164401 kcal

2 BTU

0.504328801 kcal

3 BTU

0.756493202 kcal

5 BTU

1.260822004 kcal

10 BTU

2.521644007 kcal

20 BTU

5.043288014 kcal

25 BTU

6.304110018 kcal

50 BTU

12.608220036 kcal

100 BTU

25.216440072 kcal

250 BTU

63.04110018 kcal

500 BTU

126.082200361 kcal

1000 BTU

252.164400722 kcal

Frequently asked questions

How do I convert kilocalories to British thermal units?

Multiply the value in kilocalories by 3.965666831 to get the result in British thermal units. For example, 5 kcal × 3.965666831 = 19.828334157 BTU.

How many British thermal units are in 1 kilocalories?

1 kilocalories (kcal) is equal to 3.965666831 British thermal units (BTU).

How do I convert British thermal units back to kilocalories?

Use the inverse operation: divide the value in British thermal units by 3.965666831 to get the result in kilocalories.

How accurate is the kilocalories to British thermal units conversion?

The converter multiplies by the conversion factor 3.965666831 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.