Energy
Browse Energy conversions1 British thermal unit = 252.1644007218 calorie
Precision
Unit Notes
- 1 British thermal unit (BTU) equals 1055.05585262 joule.
- 1 calorie (cal) equals 4.184 joule.
Equivalent Values
1055.05585262
joule
1.0550558526
kilojoule
252.1644007218
calorie
0.2521644007
kilocalorie
0.2930710702
watt-hour
0.0002930711
kilowatt-hour
1
British thermal unit
6585140678190667137024
electronvolt
0.00001
therm
Nearby Values
0.5 British thermal unit
126.0822003609 calorie
1 British thermal unit
252.1644007218 calorie
2 British thermal unit
504.3288014436 calorie
5 British thermal unit
1260.822003609 calorie
10 British thermal unit
2521.644007218 calorie
- Formula
- (1 x 1055.05585262) / 4.184
- Rounding
- Displayed to 10 decimal places, trimmed for readability.
- Assumption
- Energy units use SI definitions. Calorie is the thermochemical calorie at 4.184 joules. BTU is the International Table BTU.