How Many BTUs in a Kilocalorie?

Quick Answer
1 Kilocalorie = 3.9656512 BTUs

1 kcal = 3.9656512 BTU

3.965651

≈ 3 31/32 BTU

Formula

BTU = kcal × 3.9656512

The calculator multiplies each kcal value by 3.9656512. For the reverse direction, divide BTU by 3.9656512; equivalently, 1 BTU = 0.25216539 kcal.

Conversion Table

Kilocalories (kcal)BTUs (BTU)
1 kcal3.9656512 BTU
2 kcal7.9313025 BTU
5 kcal19.828256 BTU
10 kcal39.656512 BTU
20 kcal79.313025 BTU
50 kcal198.28256 BTU
100 kcal396.56512 BTU
500 kcal1,982.8256 BTU
1,000 kcal3,965.6512 BTU

Worked Examples

Convert 5 kcal to BTU:
5 kcal × 3.9656512 = 19.828256 BTU
Convert 10 kcal to BTU:
10 kcal × 3.9656512 = 39.656512 BTU
Convert 50 kcal to BTU:
50 kcal × 3.9656512 = 198.28256 BTU

FAQ

How many BTUs are in 1 Kilocalorie?
There are 3.9656512 BTUs in 1 Kilocalorie. Formula: BTU = kcal × 3.9656512.
How to convert Kilocalories to BTUs?
To convert Kilocalories to BTUs, multiply the number of Kilocalories by 3.9656512. For example, 10 kcal = 39.656512 BTU.
How many BTUs are in 100 Kilocalories?
There are 396.56512 BTUs in 100 Kilocalories. Calculation: 100 × 3.9656512 = 396.56512.