kilocalorie to British thermal unit

Live kilocalorie (kcal) to British thermal unit (BTU) converter. Plus a 10-value reference table and FAQs.

kilocalorie
British thermal unit
1 kcal = 3.9657BTU

Conversion table

Ten sample values from kilocalorie to British thermal unit. Use the converter above for arbitrary values.

kilocalorie (kcal)British thermal unit (BTU)
0.001 kcal 0.003966 BTU
0.01 kcal 0.039657 BTU
0.1 kcal 0.396567 BTU
0.5 kcal 1.982833 BTU
1 kcal 3.965667 BTU
2 kcal 7.931334 BTU
5 kcal 19.828334 BTU
10 kcal 39.656668 BTU
100 kcal 396.566683 BTU
1,000 kcal 3,965.666831 BTU

About the kilocalorie

1000 calories (4.184 kJ). Food labels in the US.

About the British thermal unit

≈ 1055 J. HVAC in the US.

Frequently asked questions

Frequently Asked Questions

How do I convert kilocalorie to British thermal unit?

Multiply the kilocalorie value by 3.965667 to get it in British thermal unit. For example, 10 kcal = 39.6567 BTU.

What is 1 kcal in BTU?

1 kcal = 3.965667 BTU.

What is 100 kcal in BTU?

100 kcal = 396.5667 BTU.

What is the formula?

Linear: multiply by 3.965667 (the unit factor ratio).

Keep exploring