Weight converter
Convert between metric mass units (milligram, gram, kilogram, tonne) and imperial or US units (ounce, pound, stone).
kg
lb
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1 kilogram in other weight units
| Unit | Value |
|---|---|
| Milligrams (mg) | 1,000,000 mg |
| Grams (g) | 1,000 g |
| Tonnes (t) | 0.001 t |
| Ounces (oz) | 35.27396 oz |
| Pounds (lb) | 2.204623 lb |
| Stones (st) | 0.157473 st |
About weight units
The kilogram is the SI base unit of mass. The international pound is defined as exactly 0.45359237 kg, the ounce is 1/16 of a pound and the stone is 14 pounds.
Where weight conversions are used
People convert weight for recipes, nutrition labels, body weight, airline baggage limits, gym equipment, shipping and online shopping from other countries.
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.