NiftyRecipe Online energy conversion
MJ/kJ 1000 kJ/MJ 0.001 BTU/cal 252.164401 kJ/kcal 0.239006 cal/kJ 0.004184 kcal/BTU 3.965667
BTU / kcal

800 BTUs in kilocalorie

201.731521 kilocalorie

1 BTU = 0.252164 kcal · 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

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

All amounts for this pair

FAQ for BTU → kcal
800 BTUs in kilocalorie

800 BTUs is 201.731521 kilocalorie 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 = 0.252164 kilocalorie, so this amount becomes 201.731521 kilocalorie. Reverse: 1 kilocalorie ≈ 3.965667 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.