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

## ENERGY

1 Kilocalories
= 3.96566627743 British Thermal Unit ISO
*Select units, input value, then convert.

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

How to convert Kilocalories to British Thermal Unit ISO (kcal to BTUiso)?
1 kcal = 3.96566627743 BTUiso.
1 x 3.96566627743 BTUiso = 3.96566627743 British Thermal Unit ISO.
Always check the results; rounding errors may occur.

Definition:
In relation to the base unit of [energy] => (joules), 1 Kilocalories (kcal) is equal to 4184 joules, while 1 British Thermal Unit ISO (BTUiso) = 1055.056 joules.
1 Kilocalories to common energy units
1 kcal =4184 joules (J)
1 kcal =4.184 kilojoules (kJ)
1 kcal =1000 calories (cal)
1 kcal =1 kilocalories (kcal)
1 kcal =2.6114419104E+22 electron volt (eV)
1 kcal =1.16222222222 watt hour (Wh)
1 kcal =9.59689376257E+20 atomic unit of energy (au)
1 kcal =1.0E-6 tons of TNT (tTNT)
1 kcal =3085.96003258 foot pound force (ft lbf)
1 kcal =41840000000 ergs (ergs)
Kilocalories to British Thermal Unit ISO (table conversion)
1 kcal =3.96566627743 BTUiso
2 kcal =7.93133255486 BTUiso
3 kcal =11.8969988323 BTUiso
4 kcal =15.8626651097 BTUiso
5 kcal =19.8283313871 BTUiso
6 kcal =23.7939976646 BTUiso
7 kcal =27.759663942 BTUiso
8 kcal =31.7253302194 BTUiso
9 kcal =35.6909964969 BTUiso
10 kcal =39.6566627743 BTUiso
20 kcal =79.3133255486 BTUiso
30 kcal =118.969988323 BTUiso
40 kcal =158.626651097 BTUiso
50 kcal =198.283313871 BTUiso
60 kcal =237.939976646 BTUiso
70 kcal =277.59663942 BTUiso
80 kcal =317.253302194 BTUiso
90 kcal =356.909964969 BTUiso
100 kcal =396.566627743 BTUiso
200 kcal =793.133255486 BTUiso
300 kcal =1189.69988323 BTUiso
400 kcal =1586.26651097 BTUiso
500 kcal =1982.83313871 BTUiso
600 kcal =2379.39976646 BTUiso
700 kcal =2775.9663942 BTUiso
800 kcal =3172.53302194 BTUiso
900 kcal =3569.09964969 BTUiso
1000 kcal =3965.66627743 BTUiso
2000 kcal =7931.33255486 BTUiso
4000 kcal =15862.6651097 BTUiso
5000 kcal =19828.3313871 BTUiso
7500 kcal =29742.4970807 BTUiso
10000 kcal =39656.6627743 BTUiso
25000 kcal =99141.6569357 BTUiso
50000 kcal =198283.313871 BTUiso
100000 kcal =396566.627743 BTUiso
1000000 kcal =3965666.27743 BTUiso
1000000000 kcal =3965666277.43 BTUiso