chain | 1 ch | 2 ch | 3 ch | 4 ch | 5 ch | 6 ch | 7 ch | 8 ch | 9 ch | 10 ch | 11 ch | 12 ch | 13 ch | 14 ch | 15 ch | 16 ch | 17 ch | 18 ch | 19 ch | 20 ch | 21 ch | 22 ch | 23 ch | 24 ch | 25 ch | 26 ch | 27 ch | 28 ch | 29 ch | 30 ch | 31 ch | 32 ch | 33 ch | 34 ch | 35 ch | 36 ch | 37 ch | 38 ch | 39 ch | 40 ch | 41 ch | 42 ch | 43 ch | 44 ch | 45 ch | 46 ch | 47 ch | 48 ch | 49 ch | 50 ch | 51 ch | 52 ch | 53 ch | 54 ch | 55 ch | 56 ch | 57 ch | 58 ch | 59 ch | 60 ch | 61 ch | 62 ch | 63 ch | 64 ch | 65 ch | 66 ch | 67 ch | 68 ch | 69 ch | 70 ch | 71 ch | 72 ch | 73 ch | 74 ch | 75 ch | 76 ch | 77 ch | 78 ch | 79 ch | 80 ch | 81 ch | 82 ch | 83 ch | 84 ch | 85 ch | 86 ch | 87 ch | 88 ch | 89 ch | 90 ch | 91 ch | 92 ch | 93 ch | 94 ch | 95 ch | 96 ch | 97 ch | 98 ch | 99 ch | 100 ch |
hand | 198.0003937 hand | 396.0007874 hand | 594.0011811 hand | 792.0015748 hand | 990.0019685 hand | 1,188.0023622 hand | 1,386.0027559 hand | 1,584.0031496 hand | 1,782.0035433 hand | 1,980.0039370 hand | 2,178.0043307 hand | 2,376.0047244 hand | 2,574.0051181 hand | 2,772.0055118 hand | 2,970.0059055 hand | 3,168.0062992 hand | 3,366.0066929 hand | 3,564.0070866 hand | 3,762.0074803 hand | 3,960.0078740 hand | 4,158.0082677 hand | 4,356.0086614 hand | 4,554.0090551 hand | 4,752.0094488 hand | 4,950.0098425 hand | 5,148.0102362 hand | 5,346.0106299 hand | 5,544.0110236 hand | 5,742.0114173 hand | 5,940.0118110 hand | 6,138.0122047 hand | 6,336.0125984 hand | 6,534.0129921 hand | 6,732.0133858 hand | 6,930.0137795 hand | 7,128.0141732 hand | 7,326.0145669 hand | 7,524.0149606 hand | 7,722.0153543 hand | 7,920.0157480 hand | 8,118.0161417 hand | 8,316.0165354 hand | 8,514.0169291 hand | 8,712.0173228 hand | 8,910.0177165 hand | 9,108.0181102 hand | 9,306.0185039 hand | 9,504.0188976 hand | 9,702.0192913 hand | 9,900.0196850 hand | 10,098.0200787 hand | 10,296.0204724 hand | 10,494.0208661 hand | 10,692.0212598 hand | 10,890.0216535 hand | 11,088.0220472 hand | 11,286.0224409 hand | 11,484.0228346 hand | 11,682.0232283 hand | 11,880.0236220 hand | 12,078.0240157 hand | 12,276.0244094 hand | 12,474.0248032 hand | 12,672.0251969 hand | 12,870.0255906 hand | 13,068.0259843 hand | 13,266.0263780 hand | 13,464.0267717 hand | 13,662.0271654 hand | 13,860.0275591 hand | 14,058.0279528 hand | 14,256.0283465 hand | 14,454.0287402 hand | 14,652.0291339 hand | 14,850.0295276 hand | 15,048.0299213 hand | 15,246.0303150 hand | 15,444.0307087 hand | 15,642.0311024 hand | 15,840.0314961 hand | 16,038.0318898 hand | 16,236.0322835 hand | 16,434.0326772 hand | 16,632.0330709 hand | 16,830.0334646 hand | 17,028.0338583 hand | 17,226.0342520 hand | 17,424.0346457 hand | 17,622.0350394 hand | 17,820.0354331 hand | 18,018.0358268 hand | 18,216.0362205 hand | 18,414.0366142 hand | 18,612.0370079 hand | 18,810.0374016 hand | 19,008.0377953 hand | 19,206.0381890 hand | 19,404.0385827 hand | 19,602.0389764 hand | 19,800.0393701 hand |
A chain is a unit of length. It measures 66 feet, or 22 yards, or 100 links, or 4 rods (20.1168 m). There are 10 chains in a furlong, and 80 chains in one statute mile. An acre is the area of 10 square chains (that is, an area of one chain by one furlong). The chain has been used for several centuries in Britain and in some other countries influenced by British practice.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
chain | ch | ≡ 66 ft (US) ≡ 4 rods | ≈ 20.11684 m | Imperial/US |
chains | hands | chains | hands |
---|---|---|---|
1 | ≈ 198.00039370079 | 4 | ≈ 792.00157480315 |
1.5 | ≈ 297.00059055118 | 4.5 | ≈ 891.00177165354 |
2 | ≈ 396.00078740157 | 5 | ≈ 990.00196850394 |
2.5 | ≈ 495.00098425197 | 5.5 | ≈ 1089.0021653543 |
3 | ≈ 594.00118110236 | 6 | ≈ 1188.0023622047 |
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 | chains | hands | chains |
---|---|---|---|
1 | ≈ 0.0050504950081623 | 4 | ≈ 0.020201980032649 |
1.5 | ≈ 0.0075757425122435 | 4.5 | ≈ 0.02272722753673 |
2 | ≈ 0.010100990016325 | 5 | ≈ 0.025252475040812 |
2.5 | ≈ 0.012626237520406 | 5.5 | ≈ 0.027777722544893 |
3 | ≈ 0.015151485024487 | 6 | ≈ 0.030302970048974 |
chains | hands |
---|---|
1 | ≈ 198.0003937 |
0.0050505 | ≈ 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 …) |