Troy Weight Conversion Chart for Gold
| Pennyweight (dwt.) | Grams (gm) | Grains (gr.) | Troy Ounce (oz t) |
| 0.125 dwt. = 1/8 dwt. | 0.1944 gm | 3 gr. | 0.00625 oz t |
| 0.250 dwt. = 1/4 dwt. | 0.3888 gm | 6 gr. | 0.0125 oz t |
| 0.375 dwt. = 3/8 dwt. | 0.5832 gm | 9 gr. | 0.01875 oz t |
| 0.500 dwt. = 1/2 dwt. | 0.7776 gm | 12 gr. | 0.025 oz t |
| 0.625 dwt. = 5/8 dwt. | 0.9720 gm | 15 gr. | 0.03125 oz t |
| 0.750 dwt. = 3/4 dwt. | 1.1664 gm | 18 gr. | 0.0375 oz t |
| 0.875 dwt. = 7/8 dwt. | 1.3608 gm | 21 gr. | 0.04375 oz t |
| 1 dwt. | 1.55517 gm | 24 gr. | 0.05 oz t |
| 2 dwt. | 3.1103 gm | 48 gr. | 0.10 oz t |
| 3 dwt. | 4.6655 gm | 72 gr. | 0.15 oz t |
| 4 dwt. | 6.2207 gm | 96 gr. | 0.20 oz t |
| 5 dwt. | 7.7759 gm | 120 gr. | 1/4 oz t |
| 6 dwt. | 9.3310 gm | 144 gr. | 0.30 oz t |
| 7 dwt. | 10.8862 gm | 168 gr. | 0.35 oz t |
| 8 dwt. | 12.4414 gm | 192 gr. | 0.40 oz t |
| 9 dwt. | 13.9966 gm | 216 gr. | 0.45 oz t |
| 10 dwt. | 15.5517 gm | 240 gr. | 1/2 oz t |
| 11 dwt. | 17.1069 gm | 264 gr. | 0.55 oz t |
| 12 dwt. | 18.6621 gm | 288 gr. | 0.60 oz t |
| 13 dwt. | 20.2173 gm | 312 gr. | 0.65 oz t |
| 14 dwt. | 21.7724 gm | 336 gr. | 0.70 oz t |
| 15 dwt. | 23.3276 gm | 360 gr. | 3/4 oz t |
| 16 dwt. | 24.8828 gm | 384 gr. | 0.80 oz t |
| 17 dwt. | 26.4380 gm | 408 gr. | 0.85 oz t |
| 18 dwt. | 27.9931 gm | 432 gr. | 0.90 oz t |
| 19 dwt. | 29.5483 gm | 456 gr. | 0.95 oz t |
| 20 dwt. | 31.103 gm | 480 gr. | 1.00 oz t |