英寸 | 1 in | 2 in | 3 in | 4 in | 5 in | 6 in | 7 in | 8 in | 9 in | 10 in | 11 in | 12 in | 13 in | 14 in | 15 in | 16 in | 17 in | 18 in | 19 in | 20 in | 21 in | 22 in | 23 in | 24 in | 25 in | 26 in | 27 in | 28 in | 29 in | 30 in | 31 in | 32 in | 33 in | 34 in | 35 in | 36 in | 37 in | 38 in | 39 in | 40 in | 41 in | 42 in | 43 in | 44 in | 45 in | 46 in | 47 in | 48 in | 49 in | 50 in | 51 in | 52 in | 53 in | 54 in | 55 in | 56 in | 57 in | 58 in | 59 in | 60 in | 61 in | 62 in | 63 in | 64 in | 65 in | 66 in | 67 in | 68 in | 69 in | 70 in | 71 in | 72 in | 73 in | 74 in | 75 in | 76 in | 77 in | 78 in | 79 in | 80 in | 81 in | 82 in | 83 in | 84 in | 85 in | 86 in | 87 in | 88 in | 89 in | 90 in | 91 in | 92 in | 93 in | 94 in | 95 in | 96 in | 97 in | 98 in | 99 in | 100 in |
米 | 0.0254 m | 0.0508 m | 0.0762 m | 0.1016 m | 0.127 m | 0.1524 m | 0.1778 m | 0.2032 m | 0.2286 m | 0.254 m | 0.2794 m | 0.3048 m | 0.3302 m | 0.3556 m | 0.381 m | 0.4064 m | 0.4318 m | 0.4572 m | 0.4826 m | 0.508 m | 0.5334 m | 0.5588 m | 0.5842 m | 0.6096 m | 0.635 m | 0.6604 m | 0.6858 m | 0.7112 m | 0.7366 m | 0.762 m | 0.7874 m | 0.8128 m | 0.8382 m | 0.8636 m | 0.889 m | 0.9144 m | 0.9398 m | 0.9652 m | 0.9906 m | 1.016 m | 1.0414 m | 1.0668 m | 1.0922 m | 1.1176 m | 1.143 m | 1.1684 m | 1.1938 m | 1.2192 m | 1.2446 m | 1.27 m | 1.2954 m | 1.3208 m | 1.3462 m | 1.3716 m | 1.397 m | 1.4224 m | 1.4478 m | 1.4732 m | 1.4986 m | 1.524 m | 1.5494 m | 1.5748 m | 1.6002 m | 1.6256 m | 1.651 m | 1.6764 m | 1.7018 m | 1.7272 m | 1.7526 m | 1.778 m | 1.8034 m | 1.8288 m | 1.8542 m | 1.8796 m | 1.905 m | 1.9304 m | 1.9558 m | 1.9812 m | 2.0066 m | 2.032 m | 2.0574 m | 2.0828 m | 2.1082 m | 2.1336 m | 2.159 m | 2.1844 m | 2.2098 m | 2.2352 m | 2.2606 m | 2.286 m | 2.3114 m | 2.3368 m | 2.3622 m | 2.3876 m | 2.413 m | 2.4384 m | 2.4638 m | 2.4892 m | 2.5146 m | 2.54 m |
英寸(英文縮寫:或“)是(英國)英制和美國習慣測量系統中的長度單位,現在正式等於1/36碼,但通常理解為1/12英尺。 來自羅馬的uncia(“第十二”),英寸有時也用於翻譯其他測量系統中的相關單位,通常被理解為源自人類拇指的寬度。
單位名稱 | 符號 | 定義 | 與SI單位的關係 | 單位制 |
---|---|---|---|---|
英寸 | in | ≡ 2.54 cm ≡ 1⁄36 yd ≡ 1⁄12 ft | ≡ 0.0254 米 | Imperial/US |
英寸 | 米 | 英寸 | 米 |
---|---|---|---|
1 | ≡ 0.0254 | 6 | ≡ 0.1524 |
2 | ≡ 0.0508 | 7 | ≡ 0.1778 |
3 | ≡ 0.0762 | 8 | ≡ 0.2032 |
4 | ≡ 0.1016 | 9 | ≡ 0.2286 |
5 | ≡ 0.127 | 10 | ≡ 0.254 |
The metre (international spelling) or meter (American spelling) (from the Greek noun μέτρον, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299 792 458 seconds.
單位名稱 | 符號 | 定義 | 與SI單位的關係 | 單位制 |
---|---|---|---|---|
米 | m | ≡ Distance light travels in 1⁄299792458 of a second in vacuum. | ≡ 1 m | Metric system SI |
米 | 英寸 | 米 | 英寸 |
---|---|---|---|
1 | ≡ 39.370078740157 | 6 | ≡ 236.22047244094 |
2 | ≡ 78.740157480315 | 7 | ≡ 275.5905511811 |
3 | ≡ 118.11023622047 | 8 | ≡ 314.96062992126 |
4 | ≡ 157.48031496063 | 9 | ≡ 354.33070866142 |
5 | ≡ 196.85039370079 | 10 | ≡ 393.70078740157 |
英寸 | 米 |
---|---|
1 | ≡ 0.0254 |
39.3700787 | ≡ 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 …) |