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Specific Properties

cal/kgtoBTU/lb

Convert calories per kilogram (cal/kg) to British thermal units per pound (BTU/lb).

Factor1 cal/kg = 0.001798796 BTU/lb

Converter

cal/kg

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

Result
1.7988BTU/lb

Rendered to 6 significant figures.

Formula

Formula
BTU/lb = cal/kg × 0.001798796

Multiply any value in calories per kilogram by 0.001798796 to obtain the value in British thermal units per pound.

Worked example

Convert 1000 cal/kg to BTU/lb.

  1. 01Start with 1000 cal/kg.
  2. 02Multiply by the conversion factor: 1000 × 0.001798796 = 1.7988 BTU/lb.
Result1000 cal/kg = 1.7988 BTU/lb

Conversion table

cal/kgBTU/lb
10.0017988
20.0035976
50.008994
100.017988
200.035976
500.08994
1000.17988
2000.35976
5000.8994
10001.7988

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cal/kg to BTU/lb?
1 cal/kg equals 0.001798796 BTU/lb. To convert, multiply the value in calories per kilogram by 0.001798796.
How do I convert 1 cal/kg to BTU/lb?
1 cal/kg = 0.0017988 BTU/lb. For any value, multiply by 0.001798796.
How do I convert BTU/lb back to cal/kg?
Divide by the same factor — or equivalently, multiply by 555.9274. So 1 BTU/lb = 555.927 cal/kg.
When would I need to convert calorie per kilogram to British thermal unit per pound?
Specific-energy conversions between cal/kg and BTU/lb 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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