NiftyRecipe Online energy conversion
kJ/kWh 0.000278 cal/kWh 0.000001 BTU/cal 252.164401 kJ/cal 239.005736 kcal/MJ 0.004184 MJ/cal 239005.736138
BTU / cal

British thermal unit to Calorie converter

1 BTU = 252.164401 cal

This is the British thermal unit to Calorie converter. 1 BTU = 252.1644007218 cal.

Enter a value and click Calculate - opens the page with the new result

Common values

calorie to BTU 2 BTUs in calorie 3 BTUs in calorie 4 BTUs in calorie 5 BTUs in calorie 6 BTUs in calorie 8 BTUs in calorie 10 BTUs in calorie 12 BTUs in calorie 15 BTUs in calorie 20 BTUs in calorie
Formula: BTU to calorie

cal = BTU × 252.164401 (1 BTU = 252.164401 CAL)

Reference values: BTU → calorie
BTU cal
1 BTU 252.164401 cal
100 BTU 25216.440072 cal
200 BTU 50432.880144 cal
500 BTU 126082.200361 cal
1000 BTU 252164.400722 cal
2000 BTU 504328.801444 cal
Common conversions
1 BTU → 252.164401 cal 2 BTU → 504.328801 cal 3 BTU → 756.493202 cal 4 BTU → 1008.657603 cal 5 BTU → 1260.822004 cal 6 BTU → 1512.986404 cal 8 BTU → 2017.315206 cal 10 BTU → 2521.644007 cal 12 BTU → 3025.972809 cal 15 BTU → 3782.466011 cal 20 BTU → 5043.288014 cal 25 BTU → 6304.110018 cal
FAQ for BTU → cal
Reverse?

1 calorie ≈ 0.003966 BTU.

How much is 1 BTU in calorie?

252.164401 calorie (1 BTU = 252.164401 calorie).

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?

cal = BTU × 252.164401 (1 BTU = 252.164401 CAL)

How the British thermal unit to Calorie converter works

This hub describes the pair, not a single number.

NiftyRecipe shows the factor and selected amount pages.