| foot | 1 ft | 2 ft | 3 ft | 4 ft | 5 ft | 6 ft | 7 ft | 8 ft | 9 ft | 10 ft | 11 ft | 12 ft | 13 ft | 14 ft | 15 ft | 16 ft | 17 ft | 18 ft | 19 ft | 20 ft | 21 ft | 22 ft | 23 ft | 24 ft | 25 ft | 26 ft | 27 ft | 28 ft | 29 ft | 30 ft | 31 ft | 32 ft | 33 ft | 34 ft | 35 ft | 36 ft | 37 ft | 38 ft | 39 ft | 40 ft | 41 ft | 42 ft | 43 ft | 44 ft | 45 ft | 46 ft | 47 ft | 48 ft | 49 ft | 50 ft | 51 ft | 52 ft | 53 ft | 54 ft | 55 ft | 56 ft | 57 ft | 58 ft | 59 ft | 60 ft | 61 ft | 62 ft | 63 ft | 64 ft | 65 ft | 66 ft | 67 ft | 68 ft | 69 ft | 70 ft | 71 ft | 72 ft | 73 ft | 74 ft | 75 ft | 76 ft | 77 ft | 78 ft | 79 ft | 80 ft | 81 ft | 82 ft | 83 ft | 84 ft | 85 ft | 86 ft | 87 ft | 88 ft | 89 ft | 90 ft | 91 ft | 92 ft | 93 ft | 94 ft | 95 ft | 96 ft | 97 ft | 98 ft | 99 ft | 100 ft |
| millimeter | 304.8 mm | 609.6 mm | 914.4 mm | 1,219.2 mm | 1 524 mm | 1,828.8 mm | 2,133.6 mm | 2,438.4 mm | 2,743.2 mm | 3 048 mm | 3,352.8 mm | 3,657.6 mm | 3,962.4 mm | 4,267.2 mm | 4 572 mm | 4,876.8 mm | 5,181.6 mm | 5,486.4 mm | 5,791.2 mm | 6 096 mm | 6,400.8 mm | 6,705.6 mm | 7,010.4 mm | 7,315.2 mm | 7 620 mm | 7,924.8 mm | 8,229.6 mm | 8,534.4 mm | 8,839.2 mm | 9 144 mm | 9,448.8 mm | 9,753.6 mm | 10,058.4 mm | 10,363.2 mm | 10 668 mm | 10,972.8 mm | 11,277.6 mm | 11,582.4 mm | 11,887.2 mm | 12 192 mm | 12,496.8 mm | 12,801.6 mm | 13,106.4 mm | 13,411.2 mm | 13 716 mm | 14,020.8 mm | 14,325.6 mm | 14,630.4 mm | 14,935.2 mm | 15 240 mm | 15,544.8 mm | 15,849.6 mm | 16,154.4 mm | 16,459.2 mm | 16 764 mm | 17,068.8 mm | 17,373.6 mm | 17,678.4 mm | 17,983.2 mm | 18 288 mm | 18,592.8 mm | 18,897.6 mm | 19,202.4 mm | 19,507.2 mm | 19 812 mm | 20,116.8 mm | 20,421.6 mm | 20,726.4 mm | 21,031.2 mm | 21 336 mm | 21,640.8 mm | 21,945.6 mm | 22,250.4 mm | 22,555.2 mm | 22 860 mm | 23,164.8 mm | 23,469.6 mm | 23,774.4 mm | 24,079.2 mm | 24 384 mm | 24,688.8 mm | 24,993.6 mm | 25,298.4 mm | 25,603.2 mm | 25 908 mm | 26,212.8 mm | 26,517.6 mm | 26,822.4 mm | 27,127.2 mm | 27 432 mm | 27,736.8 mm | 28,041.6 mm | 28,346.4 mm | 28,651.2 mm | 28 956 mm | 29,260.8 mm | 29,565.6 mm | 29,870.4 mm | 30,175.2 mm | 30 480 mm |
The foot (pl. feet; abbreviation: ft; symbol: ′, the prime symbol) is a unit of length in the imperial and US customary systems of measurement. Since 1959, both units have been defined by international agreement as equivalent to 0.3048 meters exactly. In both systems, the foot comprises 12 inches and three feet compose a yard.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| foot | ft | ≡ 0.3048 m ≡ 1⁄3 yd ≡ 12 inches | ≡ 0.3048 m | Imperial/US |
| feet | millimeters | feet | millimeters |
|---|---|---|---|
| 1 | ≡ 304.8 | 4 | ≡ 1219.2 |
| 1.5 | ≡ 457.2 | 4.5 | ≡ 1371.6 |
| 2 | ≡ 609.6 | 5 | ≡ 1524 |
| 2.5 | ≡ 762 | 5.5 | ≡ 1676.4 |
| 3 | ≡ 914.4 | 6 | ≡ 1828.8 |
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 | feet | millimeters | feet |
|---|---|---|---|
| 1 | ≡ 0.0032808398950131 | 4 | ≡ 0.013123359580052 |
| 1.5 | ≡ 0.0049212598425197 | 4.5 | ≡ 0.014763779527559 |
| 2 | ≡ 0.0065616797900262 | 5 | ≡ 0.016404199475066 |
| 2.5 | ≡ 0.0082020997375328 | 5.5 | ≡ 0.018044619422572 |
| 3 | ≡ 0.0098425196850394 | 6 | ≡ 0.019685039370079 |
| feet | millimeters |
|---|---|
| 1 | ≡ 304.8 |
| 0.0032808 | ≡ 1 |
You can find the conversion in other languages in the following:
| 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 …) |