kcal to BTU converter
1 kcal = 3.96567 BTU
And 1 BTU = 0.252164 kcal. Kilocalories to British thermal units (IT).
Formula
BTU = kcal × 3.96567
A reading of 25 kcal is 25 × 3.96567 = 99.1417 BTU.
kcal to BTU table
| kcal | BTU |
|---|---|
| 1 kcal | 3.96567 BTU |
| 5 kcal | 19.8283 BTU |
| 10 kcal | 39.6567 BTU |
| 25 kcal | 99.1417 BTU |
| 50 kcal | 198.283 BTU |
| 100 kcal | 396.567 BTU |
| 500 kcal | 1,982.83 BTU |
| 1,000 kcal | 3,965.67 BTU |
| 10,000 kcal | 39,656.7 BTU |
BTU to kcal table
| BTU | kcal |
|---|---|
| 1 BTU | 0.252164 kcal |
| 5 BTU | 1.26082 kcal |
| 10 BTU | 2.52164 kcal |
| 25 BTU | 6.30411 kcal |
| 50 BTU | 12.6082 kcal |
| 100 BTU | 25.2164 kcal |
About these units
kcal (kilocalories): Food energy and older metric heat units.
BTU (British thermal units (IT)): US heating, cooling and fuel energy.
The BTU used here is the International Table BTU (1,055.056 J). A foot-pound of energy (ft·lbf) is the same dimension as a lbf·ft of torque, but the two are different physical quantities.
Convert BTU to kcal instead · All energy and work conversions