Energy
Browse Energy conversions1 calorie = 0.0039656668 British thermal unit
Precision
Unit Notes
- 1 calorie (cal) equals 4.184 joule.
- 1 British thermal unit (BTU) equals 1055.05585262 joule.
Equivalent Values
4.184
joule
0.004184
kilojoule
1
calorie
0.001
kilocalorie
0.0011622222
watt-hour
0.0000011622
kilowatt-hour
0.0039656668
British thermal unit
26114473967543832576
electronvolt
0.0000000397
therm
Nearby Values
0.5 calorie
0.0019828334 British thermal unit
1 calorie
0.0039656668 British thermal unit
2 calorie
0.0079313337 British thermal unit
5 calorie
0.0198283342 British thermal unit
10 calorie
0.0396566683 British thermal unit
- Formula
- (1 x 4.184) / 1055.05585262
- 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.