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Specific Properties

kcal/lbtoJ/kg

Convert kilocalories per pound (kcal/lb) to joules per kilogram (J/kg).

Factor1 kcal/lb = 9224.144 J/kg

Converter

kcal/lb

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

Result
9224.14J/kg

Rendered to 6 significant figures.

Formula

Formula
J/kg = kcal/lb × 9224.144

Multiply any value in kilocalories per pound by 9224.144 to obtain the value in joules per kilogram.

Worked example

Convert 1 kcal/lb to J/kg.

  1. 01Start with 1 kcal/lb.
  2. 02Multiply by the conversion factor: 1 × 9224.144 = 9224.14 J/kg.
Result1 kcal/lb = 9224.14 J/kg

Conversion table

kcal/lbJ/kg
19224.1
218448
546121
1092241
201.8448e+5
504.6121e+5
1009.2241e+5
2001.8448e+6
5004.6121e+6
10009.2241e+6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kcal/lb to J/kg?
1 kcal/lb equals 9224.144 J/kg. To convert, multiply the value in kilocalories per pound by 9224.144.
How do I convert 1 kcal/lb to J/kg?
1 kcal/lb = 9224.14 J/kg. For any value, multiply by 9224.144.
How do I convert J/kg back to kcal/lb?
Divide by the same factor — or equivalently, multiply by 0.0001084111. So 1 J/kg = 0.000108411 kcal/lb.
When would I need to convert kilocalorie per pound to joule per kilogram?
Specific-energy conversions between kcal/lb and J/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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