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# Convert [British Thermal Unit ISO] to [Kilocalories], (BTUiso to kcal)

## ENERGY

1 British Thermal Unit ISO
= 0.252164435946 Kilocalories
*Select units, input value, then convert.

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Category: energy
Conversion: British Thermal Unit ISO to Kilocalories
The base unit for energy is joules (Non-SI/Derived Unit)
[British Thermal Unit ISO] symbol/abbrevation: (BTUiso)
[Kilocalories] symbol/abbrevation: (kcal)

How to convert British Thermal Unit ISO to Kilocalories (BTUiso to kcal)?
1 BTUiso = 0.252164435946 kcal.
1 x 0.252164435946 kcal = 0.252164435946 Kilocalories.
Always check the results; rounding errors may occur.

Definition:
In relation to the base unit of [energy] => (joules), 1 British Thermal Unit ISO (BTUiso) is equal to 1055.056 joules, while 1 Kilocalories (kcal) = 4184 joules.
1 British Thermal Unit ISO to common energy units
1 BTUiso =1055.056 joules (J)
1 BTUiso =1.055056 kilojoules (kJ)
1 BTUiso =252.164435946 calories (cal)
1 BTUiso =0.252164435946 kilocalories (kcal)
1 BTUiso =6.58512776342E+21 electron volt (eV)
1 BTUiso =0.293071111111 watt hour (Wh)
1 BTUiso =2.41999530248E+20 atomic unit of energy (au)
1 BTUiso =2.52164435946E-7 tons of TNT (tTNT)
1 BTUiso =778.169370968 foot pound force (ft lbf)
1 BTUiso =10550560000 ergs (ergs)
British Thermal Unit ISO to Kilocalories (table conversion)
1 BTUiso =0.252164435946 kcal
2 BTUiso =0.504328871893 kcal
3 BTUiso =0.756493307839 kcal
4 BTUiso =1.00865774379 kcal
5 BTUiso =1.26082217973 kcal
6 BTUiso =1.51298661568 kcal
7 BTUiso =1.76515105163 kcal
8 BTUiso =2.01731548757 kcal
9 BTUiso =2.26947992352 kcal
10 BTUiso =2.52164435946 kcal
20 BTUiso =5.04328871893 kcal
30 BTUiso =7.56493307839 kcal
40 BTUiso =10.0865774379 kcal
50 BTUiso =12.6082217973 kcal
60 BTUiso =15.1298661568 kcal
70 BTUiso =17.6515105163 kcal
80 BTUiso =20.1731548757 kcal
90 BTUiso =22.6947992352 kcal
100 BTUiso =25.2164435946 kcal
200 BTUiso =50.4328871893 kcal
300 BTUiso =75.6493307839 kcal
400 BTUiso =100.865774379 kcal
500 BTUiso =126.082217973 kcal
600 BTUiso =151.298661568 kcal
700 BTUiso =176.515105163 kcal
800 BTUiso =201.731548757 kcal
900 BTUiso =226.947992352 kcal
1000 BTUiso =252.164435946 kcal
2000 BTUiso =504.328871893 kcal
4000 BTUiso =1008.65774379 kcal
5000 BTUiso =1260.82217973 kcal
7500 BTUiso =1891.2332696 kcal
10000 BTUiso =2521.64435946 kcal
25000 BTUiso =6304.11089866 kcal
50000 BTUiso =12608.2217973 kcal
100000 BTUiso =25216.4435946 kcal
1000000 BTUiso =252164.435946 kcal
1000000000 BTUiso =252164435.946 kcal