Mass Converter

Units in Mass Converter

• Gram (g) (g)
  A gram is 1/1000 kg; ubiquitous in cooking, medicine, and lab work.
• Kilogram (kg) (kg)
  The kilogram is the SI base unit of mass, defined by Planck’s constant since 2019.
• Long ton (UK) (lt)
  Common mass unit used in science, engineering, and daily life.
• Milligram (mg) (mg)
  A milligram is 1/1,000,000 kg; used in pharmaceuticals and micro-dosing.
• Ounce (oz) (oz)
  An ounce is 1/16 lb, ≈28.35 g. Note: troy ounce is different (~31.1 g).
• Pound (lb) (lb)
  A pound is exactly 0.45359237 kg (avoirdupois system).
• Slug (slug)
  Common mass unit used in science, engineering, and daily life.
• Stone (st) (st)
  A stone is 14 lb (~6.35 kg), still used for body weight in the UK/Ireland.
• Tonne (t) (t)
  A tonne (metric ton) is 1,000 kg, the default in shipping and manufacturing.

Quick examples

• 1 kg to lb exact: 1 lb = 0.45359237 kg
• 100 g to oz cooking
• 10 st to kg UK body weight

FAQ

Browse other categories

• Length m, cm, in, ft
• Volume L, gal, mL
• Temperature °C, °F, K
• Area m², ft², acre
• Speed km/h, mph, kn
• Pressure Pa, bar, psi