millimeter | 1 mm | 2 mm | 3 mm | 4 mm | 5 mm | 6 mm | 7 mm | 8 mm | 9 mm | 10 mm | 11 mm | 12 mm | 13 mm | 14 mm | 15 mm | 16 mm | 17 mm | 18 mm | 19 mm | 20 mm | 21 mm | 22 mm | 23 mm | 24 mm | 25 mm | 26 mm | 27 mm | 28 mm | 29 mm | 30 mm | 31 mm | 32 mm | 33 mm | 34 mm | 35 mm | 36 mm | 37 mm | 38 mm | 39 mm | 40 mm | 41 mm | 42 mm | 43 mm | 44 mm | 45 mm | 46 mm | 47 mm | 48 mm | 49 mm | 50 mm | 51 mm | 52 mm | 53 mm | 54 mm | 55 mm | 56 mm | 57 mm | 58 mm | 59 mm | 60 mm | 61 mm | 62 mm | 63 mm | 64 mm | 65 mm | 66 mm | 67 mm | 68 mm | 69 mm | 70 mm | 71 mm | 72 mm | 73 mm | 74 mm | 75 mm | 76 mm | 77 mm | 78 mm | 79 mm | 80 mm | 81 mm | 82 mm | 83 mm | 84 mm | 85 mm | 86 mm | 87 mm | 88 mm | 89 mm | 90 mm | 91 mm | 92 mm | 93 mm | 94 mm | 95 mm | 96 mm | 97 mm | 98 mm | 99 mm | 100 mm |
hand | 0.0098425 hand | 0.0196850 hand | 0.0295276 hand | 0.0393701 hand | 0.0492126 hand | 0.0590551 hand | 0.0688976 hand | 0.0787402 hand | 0.0885827 hand | 0.0984252 hand | 0.1082677 hand | 0.1181102 hand | 0.1279528 hand | 0.1377953 hand | 0.1476378 hand | 0.1574803 hand | 0.1673228 hand | 0.1771654 hand | 0.1870079 hand | 0.1968504 hand | 0.2066929 hand | 0.2165354 hand | 0.2263780 hand | 0.2362205 hand | 0.2460630 hand | 0.2559055 hand | 0.2657480 hand | 0.2755906 hand | 0.2854331 hand | 0.2952756 hand | 0.3051181 hand | 0.3149606 hand | 0.3248031 hand | 0.3346457 hand | 0.3444882 hand | 0.3543307 hand | 0.3641732 hand | 0.3740157 hand | 0.3838583 hand | 0.3937008 hand | 0.4035433 hand | 0.4133858 hand | 0.4232283 hand | 0.4330709 hand | 0.4429134 hand | 0.4527559 hand | 0.4625984 hand | 0.4724409 hand | 0.4822835 hand | 0.4921260 hand | 0.5019685 hand | 0.5118110 hand | 0.5216535 hand | 0.5314961 hand | 0.5413386 hand | 0.5511811 hand | 0.5610236 hand | 0.5708661 hand | 0.5807087 hand | 0.5905512 hand | 0.6003937 hand | 0.6102362 hand | 0.6200787 hand | 0.6299213 hand | 0.6397638 hand | 0.6496063 hand | 0.6594488 hand | 0.6692913 hand | 0.6791339 hand | 0.6889764 hand | 0.6988189 hand | 0.7086614 hand | 0.7185039 hand | 0.7283465 hand | 0.7381890 hand | 0.7480315 hand | 0.7578740 hand | 0.7677165 hand | 0.7775591 hand | 0.7874016 hand | 0.7972441 hand | 0.8070866 hand | 0.8169291 hand | 0.8267717 hand | 0.8366142 hand | 0.8464567 hand | 0.8562992 hand | 0.8661417 hand | 0.8759843 hand | 0.8858268 hand | 0.8956693 hand | 0.9055118 hand | 0.9153543 hand | 0.9251969 hand | 0.9350394 hand | 0.9448819 hand | 0.9547244 hand | 0.9645669 hand | 0.9744094 hand | 0.9842520 hand |
The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Therefore there are thousand millimetres in a metre. There are ten millimetres in a centimetre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
millimeter | mm | ≡ 1×10-3 m ≡ 0.001 m | ≡ 1×10-3 m ≡ 0.001 m | Metric system SI |
millimeters | hands | millimeters | hands |
---|---|---|---|
1 | ≡ 0.0098425196850394 | 4 | ≡ 0.039370078740157 |
1.5 | ≡ 0.014763779527559 | 4.5 | ≡ 0.044291338582677 |
2 | ≡ 0.019685039370079 | 5 | ≡ 0.049212598425197 |
2.5 | ≡ 0.024606299212598 | 5.5 | ≡ 0.054133858267717 |
3 | ≡ 0.029527559055118 | 6 | ≡ 0.059055118110236 |
The hand is a non-SI unit of measurement of length standardized to 4 inches (101.6 mm). It is used to measure the height of horses in some English-speaking countries, including Australia, Canada, the Republic of Ireland, the United Kingdom and the United States.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
hand | ≡ 4 in | ≡ 0.1016 m | Metric system Non-SI |
hands | millimeters | hands | millimeters |
---|---|---|---|
1 | ≡ 101.6 | 4 | ≡ 406.4 |
1.5 | ≡ 152.4 | 4.5 | ≡ 457.2 |
2 | ≡ 203.2 | 5 | ≡ 508 |
2.5 | ≡ 254 | 5.5 | ≡ 558.8 |
3 | ≡ 304.8 | 6 | ≡ 609.6 |
millimeters | hands |
---|---|
1 | ≡ 0.0098425 |
101.6 | ≡ 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 …) |