| long hundredweight | 1 long cwt | 2 long cwt | 3 long cwt | 4 long cwt | 5 long cwt | 6 long cwt | 7 long cwt | 8 long cwt | 9 long cwt | 10 long cwt | 11 long cwt | 12 long cwt | 13 long cwt | 14 long cwt | 15 long cwt | 16 long cwt | 17 long cwt | 18 long cwt | 19 long cwt | 20 long cwt | 21 long cwt | 22 long cwt | 23 long cwt | 24 long cwt | 25 long cwt | 26 long cwt | 27 long cwt | 28 long cwt | 29 long cwt | 30 long cwt | 31 long cwt | 32 long cwt | 33 long cwt | 34 long cwt | 35 long cwt | 36 long cwt | 37 long cwt | 38 long cwt | 39 long cwt | 40 long cwt | 41 long cwt | 42 long cwt | 43 long cwt | 44 long cwt | 45 long cwt | 46 long cwt | 47 long cwt | 48 long cwt | 49 long cwt | 50 long cwt | 51 long cwt | 52 long cwt | 53 long cwt | 54 long cwt | 55 long cwt | 56 long cwt | 57 long cwt | 58 long cwt | 59 long cwt | 60 long cwt | 61 long cwt | 62 long cwt | 63 long cwt | 64 long cwt | 65 long cwt | 66 long cwt | 67 long cwt | 68 long cwt | 69 long cwt | 70 long cwt | 71 long cwt | 72 long cwt | 73 long cwt | 74 long cwt | 75 long cwt | 76 long cwt | 77 long cwt | 78 long cwt | 79 long cwt | 80 long cwt | 81 long cwt | 82 long cwt | 83 long cwt | 84 long cwt | 85 long cwt | 86 long cwt | 87 long cwt | 88 long cwt | 89 long cwt | 90 long cwt | 91 long cwt | 92 long cwt | 93 long cwt | 94 long cwt | 95 long cwt | 96 long cwt | 97 long cwt | 98 long cwt | 99 long cwt | 100 long cwt |
| tonne | 0.0508023 t | 0.1016047 t | 0.1524070 t | 0.2032094 t | 0.2540117 t | 0.3048141 t | 0.3556164 t | 0.4064188 t | 0.4572211 t | 0.5080235 t | 0.5588258 t | 0.6096281 t | 0.6604305 t | 0.7112328 t | 0.7620352 t | 0.8128375 t | 0.8636399 t | 0.9144422 t | 0.9652446 t | 1.0160469 t | 1.0668493 t | 1.1176516 t | 1.1684539 t | 1.2192563 t | 1.2700586 t | 1.3208610 t | 1.3716633 t | 1.4224657 t | 1.4732680 t | 1.5240704 t | 1.5748727 t | 1.6256751 t | 1.6764774 t | 1.7272797 t | 1.7780821 t | 1.8288844 t | 1.8796868 t | 1.9304891 t | 1.9812915 t | 2.0320938 t | 2.0828962 t | 2.1336985 t | 2.1845009 t | 2.2353032 t | 2.2861055 t | 2.3369079 t | 2.3877102 t | 2.4385126 t | 2.4893149 t | 2.5401173 t | 2.5909196 t | 2.6417220 t | 2.6925243 t | 2.7433267 t | 2.7941290 t | 2.8449313 t | 2.8957337 t | 2.9465360 t | 2.9973384 t | 3.0481407 t | 3.0989431 t | 3.1497454 t | 3.2005478 t | 3.2513501 t | 3.3021525 t | 3.3529548 t | 3.4037571 t | 3.4545595 t | 3.5053618 t | 3.5561642 t | 3.6069665 t | 3.6577689 t | 3.7085712 t | 3.7593736 t | 3.8101759 t | 3.8609783 t | 3.9117806 t | 3.9625829 t | 4.0133853 t | 4.0641876 t | 4.1149900 t | 4.1657923 t | 4.2165947 t | 4.2673970 t | 4.3181994 t | 4.3690017 t | 4.4198041 t | 4.4706064 t | 4.5214087 t | 4.5722111 t | 4.6230134 t | 4.6738158 t | 4.7246181 t | 4.7754205 t | 4.8262228 t | 4.8770252 t | 4.9278275 t | 4.9786299 t | 5.0294322 t | 5.0802345 t |
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.
| 1 long hundredweights = 0.05080234544 tonnes | 11 long hundredweights = 0.55882579984 tonnes |
| 2.5 long hundredweights = 0.1270058636 tonnes | 12.5 long hundredweights = 0.635029318 tonnes |
| 4 long hundredweights = 0.20320938176 tonnes | 14 long hundredweights = 0.71123283616 tonnes |
| 5.5 long hundredweights = 0.27941289992 tonnes | 15.5 long hundredweights = 0.78743635432 tonnes |
| 7 long hundredweights = 0.35561641808 tonnes | 17 long hundredweights = 0.86363987248 tonnes |
| 8.5 long hundredweights = 0.43181993624 tonnes | 18.5 long hundredweights = 0.93984339064 tonnes |
| 10 long hundredweights = 0.5080234544 tonnes | 20 long hundredweights = 1.0160469088 tonnes |
The tonne (non-preferred SI derived unit; SI symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms; or one megagram (Mg); it is equivalent to approximately 2,204.6 pounds, 1.10 short tons (US) or 0.984 long tons (imperial). Although not part of the SI per se, the tonne is "accepted for use with" SI units and prefixes by the International Committee for Weights and Measures, along with several other units like the bar, litre and day.
| 1 tonnes = 19.684130552221 long hundredweights | 11 tonnes = 216.52543607443 long hundredweights |
| 2.5 tonnes = 49.210326380553 long hundredweights | 12.5 tonnes = 246.05163190277 long hundredweights |
| 4 tonnes = 78.736522208885 long hundredweights | 14 tonnes = 275.5778277311 long hundredweights |
| 5.5 tonnes = 108.26271803722 long hundredweights | 15.5 tonnes = 305.10402355943 long hundredweights |
| 7 tonnes = 137.78891386555 long hundredweights | 17 tonnes = 334.63021938776 long hundredweights |
| 8.5 tonnes = 167.31510969388 long hundredweights | 18.5 tonnes = 364.15641521609 long hundredweights |
| 10 tonnes = 196.84130552221 long hundredweights | 20 tonnes = 393.68261104442 long hundredweights |
| 1 long hundredweights = 0.0508023 tonnes |
| 1 tonnes = 19.6841306 long hundredweights |