| troy pound | 1 lb t | 2 lb t | 3 lb t | 4 lb t | 5 lb t | 6 lb t | 7 lb t | 8 lb t | 9 lb t | 10 lb t | 11 lb t | 12 lb t | 13 lb t | 14 lb t | 15 lb t | 16 lb t | 17 lb t | 18 lb t | 19 lb t | 20 lb t | 21 lb t | 22 lb t | 23 lb t | 24 lb t | 25 lb t | 26 lb t | 27 lb t | 28 lb t | 29 lb t | 30 lb t | 31 lb t | 32 lb t | 33 lb t | 34 lb t | 35 lb t | 36 lb t | 37 lb t | 38 lb t | 39 lb t | 40 lb t | 41 lb t | 42 lb t | 43 lb t | 44 lb t | 45 lb t | 46 lb t | 47 lb t | 48 lb t | 49 lb t | 50 lb t | 51 lb t | 52 lb t | 53 lb t | 54 lb t | 55 lb t | 56 lb t | 57 lb t | 58 lb t | 59 lb t | 60 lb t | 61 lb t | 62 lb t | 63 lb t | 64 lb t | 65 lb t | 66 lb t | 67 lb t | 68 lb t | 69 lb t | 70 lb t | 71 lb t | 72 lb t | 73 lb t | 74 lb t | 75 lb t | 76 lb t | 77 lb t | 78 lb t | 79 lb t | 80 lb t | 81 lb t | 82 lb t | 83 lb t | 84 lb t | 85 lb t | 86 lb t | 87 lb t | 88 lb t | 89 lb t | 90 lb t | 91 lb t | 92 lb t | 93 lb t | 94 lb t | 95 lb t | 96 lb t | 97 lb t | 98 lb t | 99 lb t | 100 lb t |
| pennyweight | 240 pwt | 480 pwt | 720 pwt | 960 pwt | 1 200 pwt | 1 440 pwt | 1 680 pwt | 1 920 pwt | 2 160 pwt | 2 400 pwt | 2 640 pwt | 2 880 pwt | 3 120 pwt | 3 360 pwt | 3 600 pwt | 3 840 pwt | 4 080 pwt | 4 320 pwt | 4 560 pwt | 4 800 pwt | 5 040 pwt | 5 280 pwt | 5 520 pwt | 5 760 pwt | 6 000 pwt | 6 240 pwt | 6 480 pwt | 6 720 pwt | 6 960 pwt | 7 200 pwt | 7 440 pwt | 7 680 pwt | 7 920 pwt | 8 160 pwt | 8 400 pwt | 8 640 pwt | 8 880 pwt | 9 120 pwt | 9 360 pwt | 9 600 pwt | 9 840 pwt | 10 080 pwt | 10 320 pwt | 10 560 pwt | 10 800 pwt | 11 040 pwt | 11 280 pwt | 11 520 pwt | 11 760 pwt | 12 000 pwt | 12 240 pwt | 12 480 pwt | 12 720 pwt | 12 960 pwt | 13 200 pwt | 13 440 pwt | 13 680 pwt | 13 920 pwt | 14 160 pwt | 14 400 pwt | 14 640 pwt | 14 880 pwt | 15 120 pwt | 15 360 pwt | 15 600 pwt | 15 840 pwt | 16 080 pwt | 16 320 pwt | 16 560 pwt | 16 800 pwt | 17 040 pwt | 17 280 pwt | 17 520 pwt | 17 760 pwt | 18 000 pwt | 18 240 pwt | 18 480 pwt | 18 720 pwt | 18 960 pwt | 19 200 pwt | 19 440 pwt | 19 680 pwt | 19 920 pwt | 20 160 pwt | 20 400 pwt | 20 640 pwt | 20 880 pwt | 21 120 pwt | 21 360 pwt | 21 600 pwt | 21 840 pwt | 22 080 pwt | 22 320 pwt | 22 560 pwt | 22 800 pwt | 23 040 pwt | 23 280 pwt | 23 520 pwt | 23 760 pwt | 24 000 pwt |
The troy pound is 5 760 grains (≈ 373.24 g, 12 oz t), while an avoirdupois pound is approximately 21.53% heavier at 7 000 grains (≈ 453.59 g).
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| troy pound | lb t | ≡ 5760 grains | = 0.3732417216 kg | Imperial/US |
| troy pounds | pennyweights | troy pounds | pennyweights |
|---|---|---|---|
| 1 | = 240 | 11 | = 2640 |
| 2.5 | = 600 | 12.5 | = 3000 |
| 4 | = 960 | 14 | = 3360 |
| 5.5 | = 1320 | 15.5 | = 3720 |
| 7 | = 1680 | 17 | = 4080 |
| 8.5 | = 2040 | 18.5 | = 4440 |
| 10 | = 2400 | 20 | = 4800 |
A pennyweight (abbreviated dwt or denarius weight) is a unit of mass that is equal to 24 grains, 1⁄20 of a troy ounce, 1⁄240 of a troy pound, approximately 0.054857 avoirdupois ounce and exactly 1.55517384 grams.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| pennyweight | pwt | ≡ 1⁄20 oz t | = 1.55517384 g | Imperial/US |
| pennyweights | troy pounds | pennyweights | troy pounds |
|---|---|---|---|
| 1 | = 0.0041666666666667 | 11 | = 0.045833333333333 |
| 2.5 | = 0.010416666666667 | 12.5 | = 0.052083333333333 |
| 4 | = 0.016666666666667 | 14 | = 0.058333333333333 |
| 5.5 | = 0.022916666666667 | 15.5 | = 0.064583333333333 |
| 7 | = 0.029166666666667 | 17 | = 0.070833333333333 |
| 8.5 | = 0.035416666666667 | 18.5 | = 0.077083333333333 |
| 10 | = 0.041666666666667 | 20 | = 0.083333333333333 |
| troy pounds | pennyweights |
|---|---|
| 1 | = 240 |
| 0.0041667 | = 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |