UNITCONVERTER

Unit Converter › Mass

scale · base kilogram

Mass converter

Kilograms, pounds, stone, ounces and both tons. 9 units, every one shown at once.

Convert

scale · base kilogram

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Every unit at onceValueUnit

mass, not weight

Kilograms measure mass; weight is a force measured in newtons. The words are used interchangeably in daily life and on Earth the numbers agree, so the familiar labels stay.

Every mass pair

72 pages, one for each direction.

mg → gmg → kgmg → tmg → ozmg → lbmg → stmg → short tonmg → long tong → mgg → kgg → tg → ozg → lbg → stg → short tong → long tonkg → mgkg → gkg → tkg → ozkg → lbkg → stkg → short tonkg → long tont → mgt → gt → kgt → ozt → lbt → stt → short tont → long tonoz → mgoz → goz → kgoz → toz → lboz → stoz → short tonoz → long tonlb → mglb → glb → kglb → tlb → ozlb → stlb → short tonlb → long tonst → mgst → gst → kgst → tst → ozst → lbst → short tonst → long tonshort ton → mgshort ton → gshort ton → kgshort ton → tshort ton → ozshort ton → lbshort ton → stshort ton → long tonlong ton → mglong ton → glong ton → kglong ton → tlong ton → ozlong ton → lblong ton → stlong ton → short ton

Other categories

Temperature Celsius, Fahrenheit, kelvin and Rankine. Length Metric, imperial, and the nautical mile. Volume Litres, and US and Imperial measures kept apart. Speed km/h, mph, knots and metres per second. Energy Joules, calories, watt-hours and BTU. Area Square metres, feet, acres and hectares. Time Seconds through years, with the year defined. Data Decimal MB and binary MiB, kept apart. Data rate Megabits per second versus megabytes per second. Pressure Bar, psi, atmospheres and millimetres of mercury. Power Watts, and the two different horsepowers. Angle Degrees, radians, gradians and turns. Frequency Hertz, kilohertz, megahertz and RPM. Force Newtons, kilogram-force and pounds-force. Torque Newton-metres and pound-feet. Fuel economy mpg and L/100 km — where bigger means worse. Density kg/m³, g/cm³ and pounds per cubic foot. Cooking Spoons and cups, with the country stated. Illuminance Lux and foot-candles.