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Weight Converter

Convert between any of the 12 supported Weight units. Pick the units, type a value, done.

Supported units

Micrograms (µg): One millionth of a gram, written mcg on medicine labels to avoid misreading the µ symbol. Vitamins and hormones.

Milligrams (mg): One thousandth of a gram, the standard for medicine doses and nutrients.

Carats (ct): Exactly 200 mg. Gemstones and diamonds; not to be confused with karat, the gold purity measure.

Grains (gr): The old apothecary unit: exactly 64.79891 mg. Bullets, arrows and gunpowder are still measured in grains.

Troy Ounces (oz t): About 31.1 g, roughly 10% heavier than the regular ounce. Gold, silver and platinum trade in troy ounces.

Grams (g): One thousandth of a kilogram, the kitchen unit for ingredients.

Kilograms (kg): The SI base unit of mass. Body weight and groceries in most of the world.

Metric Tons (t): 1,000 kg, spelled tonne in British English and simply the local word for ton in metric countries. Freight, vehicles and industry.

Ounces (oz): 1/16 of a pound, about 28.35 g. Food portions and postage in the US.

Pounds (lb): Exactly 0.45359237 kg. Body weight and groceries in the US.

Stone (st): 14 pounds, about 6.35 kg. Body weight in the UK and Ireland.

US Tons (ton): 2,000 pounds (the short ton), about 907 kg. Freight in the US.

All conversions

µg to mg µg to ct µg to gr µg to oz t µg to g µg to kg µg to t µg to oz µg to lb µg to st µg to ton mg to µg mg to ct mg to gr mg to oz t mg to g mg to kg mg to t mg to oz mg to lb mg to st mg to ton ct to µg ct to mg ct to gr ct to oz t ct to g ct to kg ct to t ct to oz ct to lb ct to st ct to ton gr to µg gr to mg gr to ct gr to oz t gr to g gr to kg gr to t gr to oz gr to lb gr to st gr to ton oz t to µg oz t to mg oz t to ct oz t to gr oz t to g oz t to kg oz t to t oz t to oz oz t to lb oz t to st oz t to ton g to µg g to mg g to ct g to gr g to oz t g to kg g to t g to oz g to lb g to st g to ton kg to µg kg to mg kg to ct kg to gr kg to oz t kg to g kg to t kg to oz kg to lb kg to st kg to ton t to µg t to mg t to ct t to gr t to oz t t to g t to kg t to oz t to lb t to st t to ton oz to µg oz to mg oz to ct oz to gr oz to oz t oz to g oz to kg oz to t oz to lb oz to st oz to ton lb to µg lb to mg lb to ct lb to gr lb to oz t lb to g lb to kg lb to t lb to oz lb to st lb to ton st to µg st to mg st to ct st to gr st to oz t st to g st to kg st to t st to oz st to lb st to ton ton to µg ton to mg ton to ct ton to gr ton to oz t ton to g ton to kg ton to t ton to oz ton to lb ton to st