NiftyRecipe Online energy conversion
MJ/kJ 1000 MJ/kWh 0.277778 kJ/BTU 0.947817 BTU/kJ 1.055056 kJ/MJ 0.001 BTU/kcal 0.252164
BTU / cal

450 BTUs in calorie

113473.980325 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 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

450 BTUs → kcal 450 BTUs → kJ 450 BTUs → kWh 450 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
450 BTUs in calorie

450 BTUs is 113473.980325 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 113473.980325 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.