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The kg is defined as being equal to the mass of the International Prototype of the Kilogram (IPK), a block of platinum-iridium alloy manufactured in 1889 and stored at the International Bureau of Weights and Measures in Sèvres, France.
It is the only SI unit that is defined by a physical object rather than a fundamental physical property that can be reproduced in laboratories.
A unit of apothecary weight equal to 480 grains or one twelfth of a troy pound
| Kilograms | Troy Ounces |
|---|---|
| 0kg | 0.00t oz |
| 1kg | 32.15t oz |
| 2kg | 64.30t oz |
| 3kg | 96.45t oz |
| 4kg | 128.60t oz |
| 5kg | 160.75t oz |
| 6kg | 192.90t oz |
| 7kg | 225.06t oz |
| 8kg | 257.21t oz |
| 9kg | 289.36t oz |
| 10kg | 321.51t oz |
| 11kg | 353.66t oz |
| 12kg | 385.81t oz |
| 13kg | 417.96t oz |
| 14kg | 450.11t oz |
| 15kg | 482.26t oz |
| 16kg | 514.41t oz |
| 17kg | 546.56t oz |
| 18kg | 578.71t oz |
| 19kg | 610.86t oz |
| Kilograms | Troy Ounces |
|---|---|
| 20kg | 643.01t oz |
| 21kg | 675.17t oz |
| 22kg | 707.32t oz |
| 23kg | 739.47t oz |
| 24kg | 771.62t oz |
| 25kg | 803.77t oz |
| 26kg | 835.92t oz |
| 27kg | 868.07t oz |
| 28kg | 900.22t oz |
| 29kg | 932.37t oz |
| 30kg | 964.52t oz |
| 31kg | 996.67t oz |
| 32kg | 1028.82t oz |
| 33kg | 1060.97t oz |
| 34kg | 1093.13t oz |
| 35kg | 1125.28t oz |
| 36kg | 1157.43t oz |
| 37kg | 1189.58t oz |
| 38kg | 1221.73t oz |
| 39kg | 1253.88t oz |
| Kilograms | Troy Ounces |
|---|---|
| 40kg | 1286.03t oz |
| 41kg | 1318.18t oz |
| 42kg | 1350.33t oz |
| 43kg | 1382.48t oz |
| 44kg | 1414.63t oz |
| 45kg | 1446.78t oz |
| 46kg | 1478.93t oz |
| 47kg | 1511.09t oz |
| 48kg | 1543.24t oz |
| 49kg | 1575.39t oz |
| 50kg | 1607.54t oz |
| 51kg | 1639.69t oz |
| 52kg | 1671.84t oz |
| 53kg | 1703.99t oz |
| 54kg | 1736.14t oz |
| 55kg | 1768.29t oz |
| 56kg | 1800.44t oz |
| 57kg | 1832.59t oz |
| 58kg | 1864.74t oz |
| 59kg | 1896.89t oz |