Mass unit converter
Convert between kg, g, t, lb, oz, slug and more, with formulas and tables.
Popular mass conversions
Conversion matrix
Each cell is how many of the column unit equal 1 of the row unit. Tap a value for the full table.
The units
- kg (kilograms): The SI base unit of mass.
- g (grams): Small masses.
- t (metric tonnes): Large masses and shipments.
- lb (pounds): US customary mass.
- oz (ounces): Small US masses.
- slug (slugs): US dynamics: mass in lbf·s²/ft.
- US ton (short tons): US tons of 2,000 lb.
- long ton (long tons): UK tons of 2,240 lb.
Pounds here are pounds-mass (avoirdupois, 0.45359237 kg exactly). A slug is the mass that accelerates at 1 ft/s² under 1 lbf, used in US dynamics.
All mass conversions
- kg to g
- kg to t
- kg to lb
- kg to oz
- kg to slug
- kg to US ton
- kg to long ton
- g to kg
- g to t
- g to lb
- g to oz
- g to slug
- g to US ton
- g to long ton
- t to kg
- t to g
- t to lb
- t to oz
- t to slug
- t to US ton
- t to long ton
- lb to kg
- lb to g
- lb to t
- lb to oz
- lb to slug
- lb to US ton
- lb to long ton
- oz to kg
- oz to g
- oz to t
- oz to lb
- oz to slug
- oz to US ton
- oz to long ton
- slug to kg
- slug to g
- slug to t
- slug to lb
- slug to oz
- slug to US ton
- slug to long ton
- US ton to kg
- US ton to g
- US ton to t
- US ton to lb
- US ton to oz
- US ton to slug
- US ton to long ton
- long ton to kg
- long ton to g
- long ton to t
- long ton to lb
- long ton to oz
- long ton to slug
- long ton to US ton