Browse weight units.

One millionth of a gram, used in pharmaceuticals and laboratory work.

One thousandth of a gram, common on nutrition labels and in medicine.

The everyday metric unit for small quantities - cooking, jewelry, and packaging.

The SI base unit of mass, used worldwide for body weight, shipping, and trade.

Also called a tonne - exactly 1,000 kilograms, used for freight and industrial loads.

A metric quintal equals 100 kg, widely used in agriculture across Europe, India, and Latin America.

The avoirdupois ounce - standard for US food labels, recipes, and postal weights.

The primary US customary unit for body weight, groceries, and gym equipment.

Equal to 14 pounds, still used for personal body weight in the UK and Ireland.

One sixteenth of an avoirdupois ounce - used in pharmacy and historical recipes.

A UK quarter equals 28 pounds, used in British wholesale and agricultural trade.

A US hundredweight equals 100 pounds, common in American commodity pricing.

A UK hundredweight equals 112 pounds, still referenced in British shipping and farming.

The US short ton equals 2,000 pounds, used for freight and industrial materials in America.

The UK long ton equals 2,240 pounds, used in British shipping and mining.

One twentieth of a troy ounce, standard in jewelry and precious-metal trade.

The global standard for gold, silver, and platinum pricing - heavier than an avoirdupois ounce.

Twelve troy ounces, used historically in apothecary and bullion trade.

Also called the dalton - one twelfth the mass of a carbon-12 atom, used in chemistry and physics.

Exactly 200 milligrams, the standard unit for gemstone and diamond weight.

The smallest common unit in the avoirdupois system, used in ballistics and medicine.