EVERYDAY · ENGINEERING · SCIENCE

Unit conversion. Made clear.

Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.

520units ready to convert
ENERGY

Specific energy

Energy stored or released per unit mass.

BtuIT/lb
kJ/kg

Try a decimal, 1e-9, 1/3, or 5 1/2.

ResultBtuIT/lb → kJ/kgConvert Btu per pound to kilojoule per kilogram
HOW IT IS CALCULATED

Convert through joule per kilogram

Enter a Btu per pound value to calculate kilojoule per kilogram with full internal precision before display rounding.

Display precisionAuto · 12 significant digits

Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
joule per kilogramfrom BtuIT/lbJ/kgInteractive
kilojoule per kilogramfrom BtuIT/lbkJ/kgInteractive
megajoule per kilogramfrom BtuIT/lbMJ/kgInteractive
watt-hour per kilogramfrom BtuIT/lbWh/kgInteractive
kilowatt-hour per kilogramfrom BtuIT/lbkWh/kgInteractive
thermochemical calorie per gramfrom BtuIT/lbcalₜₕ/gInteractive
Btu per poundfrom BtuIT/lbBtuIT/lbInteractive

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.