| 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 |
| long hundredweight | 0.0073469 long cwt | 0.0146939 long cwt | 0.0220408 long cwt | 0.0293878 long cwt | 0.0367347 long cwt | 0.0440816 long cwt | 0.0514286 long cwt | 0.0587755 long cwt | 0.0661224 long cwt | 0.0734694 long cwt | 0.0808163 long cwt | 0.0881633 long cwt | 0.0955102 long cwt | 0.1028571 long cwt | 0.1102041 long cwt | 0.1175510 long cwt | 0.1248980 long cwt | 0.1322449 long cwt | 0.1395918 long cwt | 0.1469388 long cwt | 0.1542857 long cwt | 0.1616327 long cwt | 0.1689796 long cwt | 0.1763265 long cwt | 0.1836735 long cwt | 0.1910204 long cwt | 0.1983673 long cwt | 0.2057143 long cwt | 0.2130612 long cwt | 0.2204082 long cwt | 0.2277551 long cwt | 0.2351020 long cwt | 0.2424490 long cwt | 0.2497959 long cwt | 0.2571429 long cwt | 0.2644898 long cwt | 0.2718367 long cwt | 0.2791837 long cwt | 0.2865306 long cwt | 0.2938776 long cwt | 0.3012245 long cwt | 0.3085714 long cwt | 0.3159184 long cwt | 0.3232653 long cwt | 0.3306122 long cwt | 0.3379592 long cwt | 0.3453061 long cwt | 0.3526531 long cwt | 0.36 long cwt | 0.3673469 long cwt | 0.3746939 long cwt | 0.3820408 long cwt | 0.3893878 long cwt | 0.3967347 long cwt | 0.4040816 long cwt | 0.4114286 long cwt | 0.4187755 long cwt | 0.4261224 long cwt | 0.4334694 long cwt | 0.4408163 long cwt | 0.4481633 long cwt | 0.4555102 long cwt | 0.4628571 long cwt | 0.4702041 long cwt | 0.4775510 long cwt | 0.4848980 long cwt | 0.4922449 long cwt | 0.4995918 long cwt | 0.5069388 long cwt | 0.5142857 long cwt | 0.5216327 long cwt | 0.5289796 long cwt | 0.5363265 long cwt | 0.5436735 long cwt | 0.5510204 long cwt | 0.5583673 long cwt | 0.5657143 long cwt | 0.5730612 long cwt | 0.5804082 long cwt | 0.5877551 long cwt | 0.5951020 long cwt | 0.6024490 long cwt | 0.6097959 long cwt | 0.6171429 long cwt | 0.6244898 long cwt | 0.6318367 long cwt | 0.6391837 long cwt | 0.6465306 long cwt | 0.6538776 long cwt | 0.6612245 long cwt | 0.6685714 long cwt | 0.6759184 long cwt | 0.6832653 long cwt | 0.6906122 long cwt | 0.6979592 long cwt | 0.7053061 long cwt | 0.7126531 long cwt | 0.72 long cwt | 0.7273469 long cwt | 0.7346939 long cwt |
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 | long hundredweights | troy pounds | long hundredweights |
|---|---|---|---|
| 1 | = 0.0073469387755102 | 11 | = 0.080816326530612 |
| 2.5 | = 0.018367346938776 | 12.5 | = 0.091836734693878 |
| 4 | = 0.029387755102041 | 14 | = 0.10285714285714 |
| 5.5 | = 0.040408163265306 | 15.5 | = 0.11387755102041 |
| 7 | = 0.051428571428571 | 17 | = 0.12489795918367 |
| 8.5 | = 0.062448979591837 | 18.5 | = 0.13591836734694 |
| 10 | = 0.073469387755102 | 20 | = 0.1469387755102 |
The long or imperial hundredweight of 8 stone (112 lb or 50.802345 kg) sees informal use in the imperial system but according to Schedule 1, Part VI of the Weights and Measures Act 1985, is no longer to be used for trade after the Act came into force.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| long hundredweight | long cwt | ≡ 112 lb av | = 50.80234544 kg | Imperial/US |
| long hundredweights | troy pounds | long hundredweights | troy pounds |
|---|---|---|---|
| 1 | = 136.11111111111 | 11 | = 1497.2222222222 |
| 2.5 | = 340.27777777778 | 12.5 | = 1701.3888888889 |
| 4 | = 544.44444444444 | 14 | = 1905.5555555556 |
| 5.5 | = 748.61111111111 | 15.5 | = 2109.7222222222 |
| 7 | = 952.77777777778 | 17 | = 2313.8888888889 |
| 8.5 | = 1156.9444444444 | 18.5 | = 2518.0555555556 |
| 10 | = 1361.1111111111 | 20 | = 2722.2222222222 |
| troy pounds | long hundredweights |
|---|---|
| 1 | = 0.0073469 |
| 136.1111111 | = 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 …) |