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Thermal Capacity

kWh/KtokJ/K

Convert kilowatt-hours per kelvin (kWh/K) to kilojoules per kelvin (kJ/K).

Factor1 kWh/K = 3600 kJ/K

Converter

kWh/K

Accepts numbers or expressions, e.g. 150 + 14.7

Result
3600kJ/K

Rendered to 6 significant figures.

Formula

Formula
kJ/K = kWh/K × 3600

Multiply any value in kilowatt-hours per kelvin by 3600 to obtain the value in kilojoules per kelvin.

Worked example

Convert 1 kWh/K to kJ/K.

  1. 01Start with 1 kWh/K.
  2. 02Multiply by the conversion factor: 1 × 3600 = 3600 kJ/K.
Result1 kWh/K = 3600 kJ/K

Conversion table

kWh/KkJ/K
13600
27200
518000
1036000
2072000
501.8000e+5
1003.6000e+5
2007.2000e+5
5001.8000e+6
10003.6000e+6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kWh/K to kJ/K?
1 kWh/K equals 3600 kJ/K. To convert, multiply the value in kilowatt-hours per kelvin by 3600.
How do I convert 1 kWh/K to kJ/K?
1 kWh/K = 3600 kJ/K. For any value, multiply by 3600.
How do I convert kJ/K back to kWh/K?
Divide by the same factor — or equivalently, multiply by 0.0002777778. So 1 kJ/K = 0.000277778 kWh/K.
When would I need to convert kilowatt-hour per kelvin to kilojoule per kelvin?
Thermal-capacity conversions between kWh/K and kJ/K appear in thermal-mass analysis of bodies, calorimetry, R-C thermal-network modelling, electronics thermal capacitance and large-equipment thermal-storage sizing. J/K and kJ/K are the SI standard; MJ/K and kWh/K cover large-equipment and building thermal-mass notation; BTU/°F is the US convention; cal/K and kcal/K are common in chemistry and thermochemistry. This category is lumped heat capacity only — it does NOT include specific heat capacity (J/(kg·K), requires mass), molar heat capacity (J/(mol·K), requires molecular weight) or volumetric heat capacity, all of which are different physical quantities.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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