BTU to Calorie Converter
Convert BTU to calorie instantly.
Standard energy units
joule 105506
kilojoule 105.506
calorie 25216.539
kilocalorie 25.217
watt-hour 29.307
kilowatt-hour 0.0293
Fun comparisons
apples eaten 🍎~ 0.3
hours of 100W bulb 💡~ 0.29
marathons run 🏃~ 0.04
full car tanks of fuel ⛽~ Less than 0.01
How to convert btu to calorie
Enter your energy value in btu and see the result in calorie instantly. Key reference points: 1 food Calorie equals 1 kcal (4.184 kJ), and 1 kilowatt-hour equals 3600 kJ (860 kcal).
BTU is the US unit for heating energy; calorie is the small heat unit used in chemistry. One BTU equals approximately 252 calories.
Need the opposite direction? Convert calorie to btu just as easily, or explore all our energy conversions.
Common BTU to calorie conversions
| BTU (BTU) | Calorie (cal) |
|---|---|
| 1 | 252.165 |
| 5 | 1260.83 |
| 10 | 2521.65 |
| 25 | 6304.13 |
| 50 | 12608.3 |
| 100 | 25216.5 |
| 500 | 126083 |
| 1000 | 252165 |
Frequently asked questions
1 BTU equals 252.165 calorie.
Multiply by 252.165. For example, 5 BTU = 1260.83 cal.
10 BTU equals approximately 2520 calories.
1 calorie equals 0.00396565 BTU.
100 BTU equals 25216.5 calorie.