Units of measurement
From value
To value
Calculations
Pound per BTU
Milligram per joule
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Information
Pound per BTU
Pound per British thermal unit (lb/BTU) – a unit showing the mass of a substance required to store energy expressed in British thermal units.
Milligram per joule
Milligram per joule (mg/J) – a unit showing the mass of a substance required to store a specific amount of energy (1 joule).