NiftyRecipe Online energy conversion
BTU/kWh 0.000293 MJ/kWh 0.277778 BTU/cal 252.164401 MJ/kJ 1000 kJ/cal 239.005736 kWh/kJ 3600
kcal / BTU

800 kilocalories in BTU

3172.533465 BTU

1 kcal = 3.965667 BTU · 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

BTU to kilocalorie 1 kilocalorie in BTU 2 kilocalories in BTU 3 kilocalories in BTU 4 kilocalories in BTU 5 kilocalories in BTU 6 kilocalories in BTU 8 kilocalories in BTU 10 kilocalories in BTU 12 kilocalories in BTU 15 kilocalories in BTU

Same amount, other units

800 kilocalories → kJ 800 kilocalories → cal 800 kilocalories → kWh 800 kilocalories → MJ

Related converters

kcal → kJ kcal → cal kcal → kWh kcal → MJ kcal → J kcal → Wh
Formula: kilocalorie to BTU

BTU = kcal × 3.965667 (1 KCAL = 3.965667 BTU)

Reference values: kilocalorie → BTU
kcal BTU
1 kcal 3.965667 BTU
100 kcal 396.566683 BTU
200 kcal 793.133366 BTU
500 kcal 1982.833416 BTU
1000 kcal 3965.666831 BTU
2000 kcal 7931.333663 BTU

All amounts for this pair

FAQ for kcal → BTU
800 kilocalories in BTU

800 kilocalories is 3172.533465 BTU 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 kilocalorie = 3.965667 BTU, so this amount becomes 3172.533465 BTU. Reverse: 1 BTU ≈ 0.252164 kilocalorie.

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.