NiftyRecipe Online energy conversion
kWh/BTU 3412.141633 MJ/kJ 1000 MJ/cal 239005.736138 MJ/kWh 0.277778 kJ/kcal 0.239006 kcal/cal 1000
BTU / cal

1 BTU in calorie

252.164401 calorie

1 BTU = 252.164401 cal · factor

This is energy conversion only-not a room-temperature or duct-size calculator.

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

Common values

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

Same amount, other units

1 BTU → kcal 1 BTU → kJ 1 BTU → kWh 1 BTU → MJ
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

All amounts for this pair

FAQ for BTU → cal
1 BTU in calorie

1 BTU is 252.164401 calorie on NiftyRecipe using a fixed thermal-energy factor.

British thermal units show up on air-conditioner nameplates, furnace ratings and heating-load notes. Converting them to kcal, kJ or kWh uses 1 BTU = 252.164401 calorie, so this amount becomes 252.164401 calorie. Reverse: 1 calorie ≈ 0.003966 BTU.

The text stays on capacity and energy equivalence-not oven temperatures or duct geometry-so these pages stay distinct from food-label converters. Adjust the amount above for different appliance ratings or textbook examples.