foot, metric (short) | 1 smf | 2 smf | 3 smf | 4 smf | 5 smf | 6 smf | 7 smf | 8 smf | 9 smf | 10 smf | 11 smf | 12 smf | 13 smf | 14 smf | 15 smf | 16 smf | 17 smf | 18 smf | 19 smf | 20 smf | 21 smf | 22 smf | 23 smf | 24 smf | 25 smf | 26 smf | 27 smf | 28 smf | 29 smf | 30 smf | 31 smf | 32 smf | 33 smf | 34 smf | 35 smf | 36 smf | 37 smf | 38 smf | 39 smf | 40 smf | 41 smf | 42 smf | 43 smf | 44 smf | 45 smf | 46 smf | 47 smf | 48 smf | 49 smf | 50 smf | 51 smf | 52 smf | 53 smf | 54 smf | 55 smf | 56 smf | 57 smf | 58 smf | 59 smf | 60 smf | 61 smf | 62 smf | 63 smf | 64 smf | 65 smf | 66 smf | 67 smf | 68 smf | 69 smf | 70 smf | 71 smf | 72 smf | 73 smf | 74 smf | 75 smf | 76 smf | 77 smf | 78 smf | 79 smf | 80 smf | 81 smf | 82 smf | 83 smf | 84 smf | 85 smf | 86 smf | 87 smf | 88 smf | 89 smf | 90 smf | 91 smf | 92 smf | 93 smf | 94 smf | 95 smf | 96 smf | 97 smf | 98 smf | 99 smf | 100 smf |
inch | 11.8110236 in | 23.6220472 in | 35.4330709 in | 47.2440945 in | 59.0551181 in | 70.8661417 in | 82.6771654 in | 94.4881890 in | 106.2992126 in | 118.1102362 in | 129.9212598 in | 141.7322835 in | 153.5433071 in | 165.3543307 in | 177.1653543 in | 188.9763780 in | 200.7874016 in | 212.5984252 in | 224.4094488 in | 236.2204724 in | 248.0314961 in | 259.8425197 in | 271.6535433 in | 283.4645669 in | 295.2755906 in | 307.0866142 in | 318.8976378 in | 330.7086614 in | 342.5196850 in | 354.3307087 in | 366.1417323 in | 377.9527559 in | 389.7637795 in | 401.5748031 in | 413.3858268 in | 425.1968504 in | 437.0078740 in | 448.8188976 in | 460.6299213 in | 472.4409449 in | 484.2519685 in | 496.0629921 in | 507.8740157 in | 519.6850394 in | 531.4960630 in | 543.3070866 in | 555.1181102 in | 566.9291339 in | 578.7401575 in | 590.5511811 in | 602.3622047 in | 614.1732283 in | 625.9842520 in | 637.7952756 in | 649.6062992 in | 661.4173228 in | 673.2283465 in | 685.0393701 in | 696.8503937 in | 708.6614173 in | 720.4724409 in | 732.2834646 in | 744.0944882 in | 755.9055118 in | 767.7165354 in | 779.5275591 in | 791.3385827 in | 803.1496063 in | 814.9606299 in | 826.7716535 in | 838.5826772 in | 850.3937008 in | 862.2047244 in | 874.0157480 in | 885.8267717 in | 897.6377953 in | 909.4488189 in | 921.2598425 in | 933.0708661 in | 944.8818898 in | 956.6929134 in | 968.5039370 in | 980.3149606 in | 992.1259843 in | 1,003.9370079 in | 1,015.7480315 in | 1,027.5590551 in | 1,039.3700787 in | 1,051.1811024 in | 1,062.9921260 in | 1,074.8031496 in | 1,086.6141732 in | 1,098.4251969 in | 1,110.2362205 in | 1,122.0472441 in | 1,133.8582677 in | 1,145.6692913 in | 1,157.4803150 in | 1,169.2913386 in | 1,181.1023622 in |
≡ 0.30 m
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
foot, metric (short) | smf | ≡ 0.30 m | ≡ 0.30 m | Metric system SI |
feet, metric (short) | inches | feet, metric (short) | inches |
---|---|---|---|
1 | ≡ 11.811023622047 | 4 | ≡ 47.244094488189 |
1.5 | ≡ 17.716535433071 | 4.5 | ≡ 53.149606299213 |
2 | ≡ 23.622047244094 | 5 | ≡ 59.055118110236 |
2.5 | ≡ 29.527559055118 | 5.5 | ≡ 64.96062992126 |
3 | ≡ 35.433070866142 | 6 | ≡ 70.866141732283 |
The inch (abbreviation: in or ″) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to 1⁄36 yard but usually understood as 1⁄12 of a foot. Derived from the Roman uncia ("twelfth"), inch is also sometimes used to translate related units in other measurement systems, usually understood as deriving from the width of the human thumb.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
inch | in | ≡ 2.54 cm ≡ 1⁄36 yd ≡ 1⁄12 ft | ≡ 0.0254 m | Imperial/US |
inches | feet, metric (short) | inches | feet, metric (short) |
---|---|---|---|
1 | ≡ 0.084666666666667 | 4 | ≡ 0.33866666666667 |
1.5 | ≡ 0.127 | 4.5 | ≡ 0.381 |
2 | ≡ 0.16933333333333 | 5 | ≡ 0.42333333333333 |
2.5 | ≡ 0.21166666666667 | 5.5 | ≡ 0.46566666666667 |
3 | ≡ 0.254 | 6 | ≡ 0.508 |
feet, metric (short) | inches |
---|---|
1 | ≡ 11.8110236 |
0.0846667 | ≡ 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 …) |