| Ton. | Hundredweight. | Pounds. | Ounces. | Drachms. | ||||
| 1 | = | 20 | = | 2000 | = | 32,000 | = | 522,000 |
| 1 | = | 100 | = | 1,600 | = | 25,600 | ||
| 1 | = | 16 | = | 256 | ||||
| 1 | = | 16 |
TROY = METRIC WEIGHTS.
| Troy Weights. | Equivalents in Metric Denominations. | ||||
| Milli- gramme. | Gramme. | Deca- gramme. | Hecto- gramme. | Kilo- gramme. | |
| 1 Troy grain | 64.79895 | 0.06480 | |||
| 1 pennyweight | 1.55517 | ||||
| 1 ounce | 31.10349 | 3.11035 | |||
| 1 pound | 373.24195 | 37.32491 | 3.73249 | 0.37324 | |
| 1 lb. | = | 12 | oz. | = | 240 | dwts. | = | 5760 | grs. |
| 1 | " | = | 20 | " | = | 480 | " | ||
| 1 | " | = | 24 | " |
TABLES FOR CONVERTING U. S. WEIGHTS AND MEASURES.
CUSTOMARY TO METRIC.
LINEAR.
| Inches to Millimetres. | Feet to Metres. | Yards to Metres. | Miles to Kilometres. | |
| 1 = | 25.4001 | 0.304801 | 0.914402 | 1.60935 |
| 2 = | 50.8001 | 0.609601 | 1.828804 | 3.21869 |
| 3 = | 76.2002 | 0.914402 | 2.743205 | 4.82804 |
| 4 = | 101.6002 | 1.219202 | 3.657607 | 6.43739 |
| 5 = | 127.0003 | 1.524003 | 4.572009 | 8.04674 |
| 6 = | 152.4003 | 1.828804 | 5.486411 | 9.65608 |
| 7 = | 177.8004 | 2.133604 | 6.400813 | 11.26543 |
| 8 = | 203.2004 | 2.438405 | 7.315215 | 12.87478 |
| 9 = | 228.6005 | 2.743205 | 8.229616 | 14.48412 |