NiftyRecipe Online energy conversion
BTU/kJ 1.055056 kcal/MJ 0.004184 cal/BTU 0.003966 BTU/cal 252.164401 kcal/cal 1000 kWh/kJ 3600
BTU / cal

800 BTUs in calorie

201731.520577 calorie

1 BTU = 252.164401 cal · factor

Factor: 1 BTU = 252.164401 calorie. Reverse: 1 calorie ≈ 0.003966 BTU.

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

Common values

calorie to BTU 1 BTU in calorie 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

Same amount, other units

800 BTUs → kcal 800 BTUs → kJ 800 BTUs → kWh 800 BTUs → MJ

Related converters

BTU → kcal BTU → kJ BTU → kWh 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
800 BTUs in calorie

800 BTUs is 201731.520577 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 201731.520577 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.