British thermal unit to Kilocalorie converter

1 BTU = 0.252164 kcal

This is the British thermal unit to Kilocalorie converter. The factor is fixed: 1 BTU = 0.2521644007218 kcal. Open a common amount below, or type any value — only selected amounts are indexed.

Common values

kilocalorie to BTU 2 BTUs in kilocalorie 5 BTUs in kilocalorie 10 BTUs in kilocalorie 20 BTUs in kilocalorie 25 BTUs in kilocalorie 50 BTUs in kilocalorie 75 BTUs in kilocalorie 100 BTUs in kilocalorie 120 BTUs in kilocalorie 150 BTUs in kilocalorie

Same amount, other units

1 BTU → cal 1 BTU → kJ 1 BTU → kWh 1 BTU → MJ

Formula: BTU to kilocalorie

kcal = BTU × 0.252164 (1 BTU = 0.252164 KCAL)

Reference values: BTU → kilocalorie

BTU	kcal
1 BTU	0.252164 kcal
100 BTU	25.21644 kcal
200 BTU	50.43288 kcal
500 BTU	126.0822 kcal
1000 BTU	252.164401 kcal
2000 BTU	504.328801 kcal

Common conversions

1 BTU → 0.252164 kcal 2 BTU → 0.504329 kcal 5 BTU → 1.260822 kcal 10 BTU → 2.521644 kcal 20 BTU → 5.043288 kcal 25 BTU → 6.30411 kcal 50 BTU → 12.60822 kcal 75 BTU → 18.91233 kcal 100 BTU → 25.21644 kcal 120 BTU → 30.259728 kcal 150 BTU → 37.82466 kcal 200 BTU → 50.43288 kcal

FAQ for BTU → kcal

Reverse?

1 kilocalorie ≈ 3.965667 BTU.

How much is 1 BTU in kilocalorie?

0.252164 kilocalorie (1 BTU = 0.252164 kilocalorie).

What is a BTU?

British thermal unit-energy needed to raise the temperature of water; common for AC and heating capacity ratings.

BTU vs kcal?

Both measure energy. Roughly 1 kcal ≈ 3.97 BTU (IT). Use the exact factor on this page.

Manual conversion?

kcal = BTU × 0.252164 (1 BTU = 0.252164 KCAL)

How the British thermal unit to Kilocalorie converter works

This hub describes the pair, not a single number. Pages like 1, 10 or 100 British thermal unit answer exact searches.

NiftyRecipe uses thermochemical energy factors (for example 1 kcal = 4184 J). Results do not change with the time of day.