Convert Calories per Second to Kilowatts
Convert Calories per Second (cal/s) to Kilowatts (kW) instantly and accurately.
Conversion Formula
kW = cal/s × 0.0041868
About Calories per Second
One calorie per second (cal/s) = exactly 4.1868 W. It bridges thermochemistry and power: bomb calorimeters and reaction calorimeters characterise exothermic events by cal/s during the reaction interval. Food science uses cal/s to model heat transfer into food during frying or roasting. Since 1 kcal/s = 4,186.8 W, kilocalories per second appear in high-intensity industrial dryers and continuous-flow reactor heat duties. 1 cal/s = 4.1868 W.
About Kilowatts
A kilowatt (kW) is 1,000 W - the everyday unit for home, vehicle, and industrial power. Average US home consumption is ~1.2 kW continuous (~10,500 kWh/year). EV motors range from 30 kW (city cars) to 600+ kW (performance models); a Tesla Model S Performance produces 560 kW (751 hp). Industrial gas turbines on commercial aircraft generate 20,000-100,000 kW. Solar installations are sized in kW-peak. Industrial electric motors span from fractional kW to thousands of kW. 1 kW = 1,000 W = 1.341 hp = 3,412.1 BTU/h.
Quick Reference Table
| Calories per Second (cal/s) | Kilowatts (kW) |
|---|---|
| 1 cal/s | 0.0041868 kW |
| 2 cal/s | 0.0083736 kW |
| 5 cal/s | 0.020934 kW |
| 10 cal/s | 0.041868 kW |
| 25 cal/s | 0.10467 kW |
| 50 cal/s | 0.20934 kW |
| 100 cal/s | 0.41868 kW |