Weight Conversion
About Weight Units
Kilogram (kg)
The base unit of mass in the International System of Units (SI), equal to the mass of the international prototype kilogram.
Gram (g)
Equal to one thousandth of a kilogram, commonly used for smaller measurements in cooking and science.
Milligram (mg)
Equal to one thousandth of a gram, often used in medication dosages and chemical measurements.
Metric Ton (t)
Equal to 1,000 kilograms, used for measuring large quantities in industry and commerce.
Long Ton
British imperial unit equal to 2,240 pounds (about 1,016 kg), primarily used in the UK.
Short Ton
US customary unit equal to 2,000 pounds (about 907 kg), commonly used in the United States.
Pound (lb)
Common US/UK unit equal to 16 ounces (about 453.6 grams), widely used for body weight and groceries.
Ounce (oz)
Equal to 1/16 of a pound (about 28.35 grams), commonly used for measuring food portions.
Carrat (ct)
Used for gemstones, equal to 200 milligrams. Diamonds and other precious stones are measured in carats.
Atomic Mass Unit (u)
Used in physics/chemistry to express atomic/molecular masses. 1u ≈ 1.66 × 10⁻²⁷ kg.
