Mass/Weight Converter / Tool

Converts the entered unit of mass to another unit.
(g, t, oz, lb, Japanese units, etc.)

  • Rounded to the fourteenth decimal place.

Metric system

milligrammg
gramg
kilogramkg
tonnet

Japanese units of measurement

momme
ryō
kin
kan

United States customary units / Imperial units

graingr
dramdr
ounceoz
poundlb
hundredweightUScwtUS
tonUSs.t.
stoneUKst
quarterUKqtr
hundredweightUKcwtUK
TonUKl.t.
A number with many digits may appear as "1e9". This is the computer's exponential representation, where "e" is a power of 10.
1e3 = 103 = 1,000
1e6 = 106 = 1,000,000
1e9 = 109 = 1,000,000,000
1e-3 = 10-3 = 0.001
1e-6 = 10-6 = 0.000001
1e-9 = 10-9 = 0.000000001

Mass / Weight conversion formula

Metric system

1t=103kg=106g1t = 10^3kg = 10^6g
1g=103mg1g = 10^{3}mg

United States customary units / Imperial units

1lb=0.45359237kg1 lb = 0.45359237 kg
1lb=16oz=256dr=7000gr1 lb = 16 oz = 256 dr = 7000 gr
1s.t.=20cwtUS=2000lb1 s.t. = 20 cwt^{US} = 2000 lb
1l.t.=20cwtUK=80qtr=160st=2240lb1 l.t. = 20 cwt^{UK} = 80 qtr = 160 st = 2240 lb

Japanese units of measurement

1=6.25=100=1000=3.75kg1\text{貫} = 6.25\text{斤} = 100\text{両} = 1000\text{匁} = 3.75 kg
1=16=160=600g1\text{斤} = 16\text{両} = 160\text{匁} = 600 g
1=10=37.5g1\text{両} = 10\text{匁} = 37.5 g
1=3.75g1\text{匁} = 3.75 g

Hirota Yano / Born in 1987. Programmer.
I am publishing a web tool I created as a hobby. It is free of charge, so please feel free to use it.
© HIROTA YANO