Calorie per second conversions

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The calorie per second conversion selector here selects the power measurement unit to convert to starting from calories per second (cal/s). To make a conversion starting from a unit of power other than calorie per second, simply click on the "Reset" button.

What is calorie per second?

The calorie (thermochemical) per second (or calorie per second) is a unit of power equal to 4.184 watts (1 cal/s = 4.184 W), the derived unit of power in the International System of Units (SI). It is also equal to 0.004184 kilowatts (kW), or 4.184x10-6 megawatts (MW), or 4.184x10-9 gigawatts (GW), or 14.2764006 British thermal units (IT) per hour (BTU/h), or 3.6 kilocalories (thermochemical) per hour (kcal/h) or 0.0056886568 horsepower (metric) (hp).

The calorie per second definition varies as follows:

  • The calorie (thermochemical) per second (cal/s) is equal to 4.184 watts (W)
  • The calorie (IT) per second (cal/s) is equal to 4.1868 watts (W)
  • The calorie (mean) per second (cal/s) is equal to about 4.19002 watts (W)
  • The calorie (4 °C) per second (cal/s) is equal to about 4.2045 watts (W)
  • The calorie (15 °C) per second (cal/s) is equal to 4.1855 watts (W)
  • The calorie (20 °C) per second (cal/s) is equal to about 4.1819 watts (W)

The calorie per second (cal/s) is a unit of power. The calorie (thermochemical) (cal) is a unit of energy while the second (s) is a unit of time.

Notes:
(i) The IT is an abbreviation for the International [Steam] Table
(ii) The food calorie - used in nutritional contexts only - is equal to 4.184 kilojoules or 1,000 thermochemical calories. The food calorie is also referred to as kilocalorie on the nutrition labels.

Symbol:

cal/s

Plural:

calories per second

Calorie per second conversions: direct links

A detailed list with conversions from calories per second to other (metric, imperial, or customary) power measurement units is given below.