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.
| troy pound | petagram | short hundredweight | milligram | tonne | yottagram | stone | femtogram |
|---|---|---|---|---|---|---|---|
| 1 | 3.732417216 × 10-13 | 0.0082286 | 373,241.7216 | 0.0003732 | 3.732417216 × 10-22 | 0.0587755 | 3.732417216 × 1017 |
| 2 679 228 880 719 | 1 | 22,046,226,218.488 | 1.0 × 1018 | 1 000 000 000 | 1.0 × 10-9 | 157,473,044,417.77 | 1.0 × 1030 |
| 121.5277778 | 4.5359237 × 10-11 | 1 | 45 359 237 | 0.0453592 | 4.5359237 × 10-20 | 7.1428571 | 4.5359237 × 1019 |
| 2.679228880719 × 10-6 | 1.0 × 10-18 | 2.2046226218488 × 10-8 | 1 | 1.0 × 10-9 | 1.0 × 10-27 | 1.5747304441777 × 10-7 | 1 000 000 000 000 |
| 2,679.2288807 | 1.0 × 10-9 | 22.0462262 | 1 000 000 000 | 1 | 1.0 × 10-18 | 157.4730444 | 1.0 × 1021 |
| 2.679228880719 × 1021 | 1 000 000 000 | 2.2046226218488 × 1019 | 1.0 × 1027 | 1.0 × 1018 | 1 | 1.5747304441777 × 1020 | 1.0 × 1039 |
| 17.0138889 | 6.35029318 × 10-12 | 0.14 | 6,350,293.18 | 0.0063503 | 6.35029318 × 10-21 | 1 | 6.35029318 × 1018 |
| 2.679228880719 × 10-18 | 1.0 × 10-30 | 2.2046226218488 × 10-20 | 1.0 × 10-12 | 1.0 × 10-21 | 1.0 × 10-39 | 1.5747304441777 × 10-19 | 1 |
| 1 long hundredweights = 50.80234544 kilograms |
| 2.5 long hundredweights = 127.0058636 kilograms |
| 4 long hundredweights = 203.20938176 kilograms |
| 5.5 long hundredweights = 279.41289992 kilograms |
| 7 long hundredweights = 355.61641808 kilograms |
| 8.5 long hundredweights = 431.81993624 kilograms |
| 10 long hundredweights = 508.0234544 kilograms |