Use this free online calculator to convert Kilogram Calorie to Btu instantly. This energy conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Kilogram Calorie = 3.9674 Btu

1 Btu = 0.252056 Kilogram Calorie

Kilogram Calorie to Btu Conversion Formula

To convert Kilogram Calorie to Btu, multiply by 3.9674.

Btu = Kilogram Calorie × 3.9674

Kilogram Calorie = Btu × 0.252056

To convert Btu back to Kilogram Calorie, divide by 3.9674 (or multiply by 0.252056).

About These Units

About Kilogram Calorie

The kilogram calorie is a unit of energy used to measure work, heat, or power in various scientific and engineering contexts.

About Btu

The Btu is a unit of heat energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. In America the British thermal unit is sometimes called the heat unit. In defining the Btu, it is necessary to specify the temperature of the water; thus there have been several definitions over the years. However, one Btu is equal to about 251.996 (small) calories, or 0.251 996 of the (kilo-)calories counted by dieters. Using the current definition of the calorie (the IT calorie), one Btu equals approximately 778.169 foot pounds, 1.055 056 kilojoules or 0.293 071 watt hour. The symbol BThU has also been used, especially in Britain.

Kilogram Calorie to Btu Conversion Table

Kilogram Calorie	Btu	Btu	Kilogram Calorie
0.1	0.396737	0.1	0.025206
0.5	1.9837	0.5	0.126028
1	3.9674	1	0.252056
2	7.9347	2	0.504112
5	19.8369	5	1.2603
10	39.6737	10	2.5206
20	79.3475	20	5.0411
25	99.1843	25	6.3014
50	198.3686	50	12.6028
100	396.7373	100	25.2056
250	991.8432	250	63.0140
500	1983.69	500	126.0280
1000	3967.37	1000	252.0560

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