Specific Energy (Mass) Converter

Convert specific energy (mass) units instantly

1 J/kg = 0.000429923 BTU/lb
Live conversion result
How it works

Base unit: Jpkg. Values convert via the base unit for this category.

Formula (scale-only): BTUpLb = Jpkg × 0.000429923
That is, multiply by 0.000429923 to convert Jpkg to BTUpLb.
Examples
  • 1 Jpkg = 0.000429923 BTUpLb
  • 5 Jpkg = 0.00214961 BTUpLb