Unit Converter - Mass

Mass units

The mass converter allows quick conversion between mass and weight units — from milligrams and grams, through kilograms and tonnes, to ounces, pounds, and stones. Used in logistics, trade, cooking, and many other fields.

Overview of mass units

• Kilogram [kg]: this is the basic unit of mass in the SI system.
• Gram [g]: this is one thousandth of a kilogram, often used to measure smaller masses.
• Milligram [mg]: this is one thousandth of a gram, used for very small masses.
• Tonne [t]: this is a unit of mass equal to 1000 kilograms, used to measure large masses.
• Ounce [oz]: this is a unit of mass used in the imperial system, equal to about 28.35 grams.
• Pound [lb]: this is a unit of mass used in the imperial system, equal to about 453.59 grams.
• Quintal [q]: this is a unit of mass equal to 100 kilograms.
• Short ton [short ton]: this is a unit of mass mainly used in the USA, equal to 2000 pounds (about 907.18 kg).
• Long ton [long ton]: this is a unit of mass mainly used in the UK, equal to 2240 pounds (about 1016.05 kg).
• Carat [ct]: this is a unit of mass mainly used in jewelry, equal to 0.2 grams.
• Stone [st]: this is a unit of mass mainly used in the UK, equal to 14 pounds (about 6.35 kg).

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