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Kilogram (kg)

The SI base unit of mass, defined via the Planck constant.

Result1,000

1 kilogram = 1,000 grams

Kilogram at a glance

Unit nameKilogram (plural: kilograms)
Symbolkg
Quantity measuredWeight & Mass
Measurement systemSI
Also known askg, kilo, kilos, kilogramme, kilogrammes
Definition exact?Yes — exact by definition

1 kilogram in other weight & mass units

Unit1 kg equals
Microgram1,000,000,000 µg
Milligram1,000,000 mg
Gram1,000 g
Metric ton0.001 t
Ounce35.2739619 oz
Pound2.20462262 lb
Stone0.157473044 st
US short ton0.001102311 ton
Imperial long ton0.000984207 long ton
Carat5,000 ct
Grain15,432.3584 gr
Dram564.383391 dr
Troy ounce32.1507466 ozt
US hundredweight0.022046226 cwt
Imperial hundredweight0.019684131 long cwt

Popular kilogram conversions

Frequently asked questions

What is a kilogram?
The SI base unit of mass, defined via the Planck constant.
What is the symbol for the kilogram?
The symbol for the kilogram is kg. It measures weight & mass.
How many grams are in a kilogram?
1 kilogram = 1,000 grams.
How many metric tons are in a kilogram?
1 kilogram = 0.001 metric tons.
How many ounces are in a kilogram?
1 kilogram = 35.2739619 ounces.