Kilocalorie per second to Kilojoule per hour Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert kilocalories per second [kcal/s] to kilojoules per hour [kJ/h] or kilojoules per hour [kJ/h] to kilocalories per second [kcal/s]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 kilocalorie per second [kcal/s] = 15,072.48 kilojoules per hour [kJ/h]1 kilojoule per hour [kJ/h] ≈ 6.635 * 10-5 kilocalories per second [kcal/s]

Convert kilocalories per second to kilojoules per hour

There are two simple ways to convert kilocalories per second [kcal/s] to kilojoules per hour [kJ/h]. In the first calculation method, the value in kilocalories per second [kcal/s] is divided by the rounded conversion factor of 6.635 * 10-5. The second method multiplies the value in kilocalories per second [kcal/s] by 15,072.48.

  • Kilojoules per hour [kJ/h] ≈ kilocalories per second [kcal/s] ÷ (6.635 * 10-5)
  • Kilojoules per hour [kJ/h] = kilocalories per second [kcal/s] * 15,072.48

The calculation method with a rounded conversion value is more suitable for rough conversions from kilocalories per second [kcal/s] to kilojoules per hour [kJ/h], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.


Convert kilojoules per hour to kilocalories per second

Converting kilojoules per hour [kJ/h] to kilocalories per second [kcal/s] is easy and can be done in two ways. The first method involves multiplication, in which the value in kilojoules per hour [kJ/h] is multiplied by the rounded conversion factor of 6.635 * 10-5. The second variant is a division. Here, the value in kilojoules per hour [kJ/h] is divided by 15,072.48.

  • Kilocalories per second [kcal/s] ≈ kilojoules per hour [kJ/h] * 6.635 * 10-5
  • Kilocalories per second [kcal/s] = kilojoules per hour [kJ/h] ÷ 15,072.48

The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from kilojoules per hour [kJ/h] to kilocalories per second [kcal/s] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.

Converter

Decimal places

How it's calculated

Factor: 
15,072.48
Kilojoules per hour=Kilocalories per second*15,072.48
Kilocalories per second=
Kilojoules per hour15,072.48

To all available units

Kilocalories per second

Kilojoules per minute

Kilocalories per second

Kilojoules per second

Kilocalories per second

Megawatts

Kilocalories per second

Metric horsepower

Kilocalories per second

Microwatts

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