Mass converter

29 units, SI unit kg. Every conversion runs through the SI base value, so round-trips are exact.

1 lb = 0.45359 kg
1 lb in every mass unit
unified atomic mass unit (dalton)2.7316e+26 u
picogram453,590,000,000,000 pg
nanogram453,590,000,000 ng
microgram453,590,000 μg
milligram453,590 mg
centigram45,359 cg
grain7,000 gr
metric carat2,268 ct
gram453.59 g
pennyweight291.67 dwt
dram256 dr
ounce16 oz
troy ounce14.583 oz t
troy pound1.2153 lb t
pound1 lb
kilogram0.45359 kg
stone0.071429 st
slug0.031081 slug
US hundredweight0.01 cwt
UK long hundredweight0.0089286 cwt (UK)
quintal0.0045359 q
US short ton0.0005 ton
metric tonne0.00045359 t
UK long ton0.00044643 long ton
kilotonne4.5359e-07 kt
megatonne4.5359e-10 Mt
gigatonne4.5359e-13 Gt
Earth mass7.5951e-26 Mearth
solar mass2.2812e-31 Msun
One kilogram in every unit
unified atomic mass unit (dalton) (u)6.0221408e+26 u
picogram (pg)1,000,000,000,000,000 pg
nanogram (ng)1,000,000,000,000 ng
microgram (μg)1,000,000,000 μg
milligram (mg)1,000,000 mg
centigram (cg)100,000 cg
grain (gr)15,432.358 gr
metric carat (ct)5,000 ct
gram (g)1,000 g
pennyweight (dwt)643.01493 dwt
dram (dr)564.38339 dr
ounce (oz)35.273962 oz
troy ounce (oz t)32.150747 oz t
troy pound (lb t)2.6792289 lb t
pound (lb)2.2046226 lb
kilogram (kg)1 kg
stone (st)0.15747304 st
slug (slug)0.068521766 slug
US hundredweight (cwt)0.022046226 cwt
UK long hundredweight (cwt (UK))0.019684131 cwt (UK)
quintal (q)0.01 q
US short ton (ton)0.0011023113 ton
metric tonne (t)0.001 t
UK long ton (long ton)0.00098420653 long ton
kilotonne (kt)0.000001 kt
megatonne (Mt)1.0000000e-09 Mt
gigatonne (Gt)1.0000000e-12 Gt
Earth mass (Mearth)1.6744248e-25 Mearth
solar mass (Msun)5.0291439e-31 Msun