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The kilogram (SI unit symbol: kg) is the base unit of mass in the Metric system and is defined as being equal to the mass of the International Prototype of the Kilogram ..more definition+
In relation to the base unit of [mass weight] => (kilograms), 1 Kilograms (kg) is equal to 1 kilograms, while 1 Deuteron Mass (D) = 3.343585999E-27 kilograms.| 21 Kilograms | to common mass-weight units |
|---|---|
| 21 kg | = 21 kilograms (kg) |
| 21 kg | = 21000 grams (g) |
| 21 kg | = 21000000 milligrams (mg) |
| 21 kg | = 46.297112823859 pounds (lbs) |
| 21 kg | = 740.75380518175 ounces (oz) |
| 21 kg | = 105000 carats (ct) |
| 21 kg | = 324079.57542489 grains (gr) |
| 21 kg | = 3.3069355887684 stones (st) |
| 21 kg | = 16203.976270589 scruples (℈) |
| 21 kg | = 1.6534669663866 quarters UK (1/4[UK]) |