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.
| 定義 | 與SI單位的關係 |
|---|---|
≡ Distance light travels in 1⁄299792458 of a second in vacuum. |
| 英里 | 米 | 分米 | 納米 | 厘米 | 千分尺 | 碼 | 海裡 |
|---|---|---|---|---|---|---|---|
| 1 | 1,609.344 | 16,093.44 | 1 609 344 000 000 | 160,934.4 | 1 609 344 000 | 1 760 | 0.8689762 |
| 0.0006214 | 1 | 10 | 1 000 000 000 | 100 | 1 000 000 | 1.0936133 | 0.0005400 |
| 6.2137119223733 × 10-5 | 0.1 | 1 | 100 000 000 | 10 | 100 000 | 0.1093613 | 5.3995680345572 × 10-5 |
| 6.2137119223733 × 10-13 | 1.0 × 10-9 | 1.0 × 10-8 | 1 | 1.0 × 10-7 | 0.001 | 1.0936132983377 × 10-9 | 5.3995680345572 × 10-13 |
| 6.2137119223733 × 10-6 | 0.01 | 0.1 | 10 000 000 | 1 | 10 000 | 0.0109361 | 5.3995680345572 × 10-6 |
| 6.2137119223733 × 10-10 | 1.0 × 10-6 | 1.0 × 10-5 | 1 000 | 0.0001 | 1 | 1.0936132983377 × 10-6 | 5.3995680345572 × 10-10 |
| 0.0005682 | 0.9144 | 9.144 | 914 400 000 | 91.44 | 914 400 | 1 | 0.0004937 |
| 1.1507794 | 1 852 | 18 520 | 1 852 000 000 000 | 185 200 | 1 852 000 000 | 2,025.3718285 | 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 …) |
| 1 米 | = 1 米 |
| 2 米 | = 2 米 |
| 3 米 | = 3 米 |
| 4 米 | = 4 米 |
| 5 米 | = 5 米 |
您可以在下面找到其他語言的轉換