Btu per Pound to Kilojoules per Kilogram Converter
Convert specific energy using declared International Table Btu and avoirdupois pound definitions.
A QUICK WALKTHROUGH
How to use this tool
- Enter a finite non-negative value in Btu/lb.
- Convert using International Table Btu and avoirdupois pound.
- Review the result in kJ/kg; this is a unit conversion only.
Declared definitions
Btu means International Table Btu (1055.05585262 J); lb means avoirdupois pound (0.45359237 kg). Other Btu conventions produce a different factor.
Formula
kJ/kg = Btu/lb × 1055.05585262 ÷ 0.45359237 ÷ 1000. The calculation runs locally.
Scope
This is a specific-energy unit conversion, not a fuel-quality measurement or process recommendation.
GOOD TO KNOW
Common questions
Which Btu definition is used?
International Table Btu, 1055.05585262 joules.
Is this a fuel rating?
No. It only converts the value you provide.