Convert Calories per Second to Kilowatts

Convert Calories per Second (cal/s) to Kilowatts (kW) instantly and accurately.

Calories per Second (cal/s)
Kilowatts (kW)

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/s0.0041868 kW
2 cal/s0.0083736 kW
5 cal/s0.020934 kW
10 cal/s0.041868 kW
25 cal/s0.10467 kW
50 cal/s0.20934 kW
100 cal/s0.41868 kW

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