NiftyRecipe Online energy conversion
kWh/BTU 3412.141633 kWh/kJ 3600 kWh/MJ 3.6 kWh/kcal 860.42065 kcal/BTU 3.965667 kJ/MJ 0.001
cal / BTU

256 calories in BTU

1.015211 BTU

1 cal = 0.003966 BTU · factor

256 calories equals 1.015211 BTU. BTU figures appear on many US heating and air-conditioning specs.

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

Common values

BTU to calorie 250 calories in BTU 500 calories in BTU 3000 calories in BTU 100 calories in BTU 50 calories in BTU 5000 calories in BTU 1500 calories in BTU 200 calories in BTU 120 calories in BTU 750 calories in BTU
Formula: calorie to BTU

BTU = cal × 0.003966 (1 CAL = 0.003966 BTU)

Reference values: calorie → BTU
cal BTU
1 cal 0.003966 BTU
100 cal 0.396567 BTU
200 cal 0.793133 BTU
500 cal 1.982833 BTU
1000 cal 3.965667 BTU
2000 cal 7.931334 BTU
FAQ for cal → BTU
BTU vs kcal?

Both measure energy. Roughly 1 kcal ≈ 3.97 BTU (IT). Use the exact factor on this page.

Manual conversion?

BTU = cal × 0.003966 (1 CAL = 0.003966 BTU)

Reverse?

1 BTU ≈ 252.164401 calorie.

How much is 256 calories in BTU?

1.015211 BTU (1 calorie = 0.003966 BTU).

What is a BTU?

British thermal unit-energy needed to raise the temperature of water; common for AC and heating capacity ratings.

256 calories in BTU

256 calories is 1.015211 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 calorie = 0.003966 BTU, so this amount becomes 1.015211 BTU. Reverse: 1 BTU ≈ 252.164401 calorie.

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.