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Specific Properties

cal/kgtoWh/kg

Convert calories per kilogram (cal/kg) to watt-hours per kilogram (Wh/kg).

Factor1 cal/kg = 0.001162222 Wh/kg

Converter

cal/kg

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

Result
1.16222Wh/kg

Rendered to 6 significant figures.

Formula

Formula
Wh/kg = cal/kg × 0.001162222

Multiply any value in calories per kilogram by 0.001162222 to obtain the value in watt-hours per kilogram.

Worked example

Convert 1000 cal/kg to Wh/kg.

  1. 01Start with 1000 cal/kg.
  2. 02Multiply by the conversion factor: 1000 × 0.001162222 = 1.16222 Wh/kg.
Result1000 cal/kg = 1.16222 Wh/kg

Conversion table

cal/kgWh/kg
10.0011622
20.0023244
50.0058111
100.011622
200.023244
500.058111
1000.11622
2000.23244
5000.58111
10001.1622

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cal/kg to Wh/kg?
1 cal/kg equals 0.001162222 Wh/kg. To convert, multiply the value in calories per kilogram by 0.001162222.
How do I convert 1 cal/kg to Wh/kg?
1 cal/kg = 0.00116222 Wh/kg. For any value, multiply by 0.001162222.
How do I convert Wh/kg back to cal/kg?
Divide by the same factor — or equivalently, multiply by 860.4207. So 1 Wh/kg = 860.421 cal/kg.
When would I need to convert calorie per kilogram to watt-hour per kilogram?
Specific-energy conversions between cal/kg and Wh/kg are needed in fuel-property datasheets (HHV/LHV), thermodynamic state calculations, battery energy-density comparisons, and combustion analysis. kJ/kg is the SI standard; BTU/lb is common in US fuel specifications.
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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