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Specific Properties

kcal/lbtoGJ/kg

Convert kilocalories per pound (kcal/lb) to gigajoules per kilogram (GJ/kg).

Factor1 kcal/lb = 9.224144e-6 GJ/kg

Converter

kcal/lb

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

Result
9.22414GJ/kg

Rendered to 6 significant figures.

Formula

Formula
GJ/kg = kcal/lb × 9.224144e-6

Multiply any value in kilocalories per pound by 9.224144e-6 to obtain the value in gigajoules per kilogram.

Worked example

Convert 1.00000e+6 kcal/lb to GJ/kg.

  1. 01Start with 1.00000e+6 kcal/lb.
  2. 02Multiply by the conversion factor: 1.00000e+6 × 9.224144e-6 = 9.22414 GJ/kg.
Result1.00000e+6 kcal/lb = 9.22414 GJ/kg

Conversion table

kcal/lbGJ/kg
19.2241e-6
21.8448e-5
54.6121e-5
109.2241e-5
200.00018448
500.00046121
1000.00092241
2000.0018448
5000.0046121
10000.0092241

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kcal/lb to GJ/kg?
1 kcal/lb equals 9.224144e-6 GJ/kg. To convert, multiply the value in kilocalories per pound by 9.224144e-6.
How do I convert 1 kcal/lb to GJ/kg?
1 kcal/lb = 9.22414e-6 GJ/kg. For any value, multiply by 9.224144e-6.
How do I convert GJ/kg back to kcal/lb?
Divide by the same factor — or equivalently, multiply by 108411.1. So 1 GJ/kg = 108411 kcal/lb.
When would I need to convert kilocalorie per pound to gigajoule per kilogram?
Specific-energy conversions between kcal/lb and GJ/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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