Bij de Natuurwetenschappen rekenen wij natuurlijk niet met tijd maar met het metrieke stelsel. Je hebt vast wel gehoord dat ze in Noord-Amerika rekenen met andere maten, een drama leer dit maar eens allemaal uit je hoofd!
| Eenheid | Nederlands | Afkorting | Grootte | Afgerond | In meters |
|---|---|---|---|---|---|
| inch | inch/duim | in., ″, " | 0,025 4 m = 2,54 cm (exact) | ||
| foot | voet | ft., ′, ' | 12 inch | 0,304 8 m = 30,48 cm (exact) | |
| yard | yard | yd. | 3 feet | 0,914 4 m = 91,44 cm (exact) | |
| (statute) mile | mijl | mi., m. | 8 furlong = 1760 yard | 1,61 km | 1609,344 m (exact) |
| league | - | lea., l. | 3 mile | 4,83 km | 4 828,032 m (exact) |
| Veld-lengtematen | |||||
| link | Kettingschakel (?) | li., l., lnk. | 1⁄25 rod = 7,92 inch | 2,01 dm | 0,201 168 m (exact) |
| rod, pole, perch | roede | rd., p. | 198 inch | 5,03 m | 5,029 2 m (exact) |
| chain, (acre-breadth) | Keten | ch. | 4 rod | 2,01 dam | 20,116 8 m (exact) |
| furlong | furlong | fur. | 10 chain | 2,01 hm | 201,168 m (exact) |
| Nautische lengtematen | |||||
| fathom | vadem | fm., fth. | 6 feet | 1,83 m | 1,828 8 m (exact) |
| shackle (VK), shot (VS) | 15 fathom | 2,74 dam | 27,432 m (exact) | ||
| cable (length) | Kabellengte | cbl. | 1⁄10 sea mile (admiralty) | 1,85 hm | 185,318 4 m (exact) |
| nautical/sea mile (admiralty) | Britse zeemijl (admiralty) | nm (adm), sm | 6080 feet | 1,85 km | 1853,184 m (exact) |
| (international) nautical/sea mile | Internationale zeemijl | nm, sm | 1852 meter | 1,852 km | 1852 m (exact) |
| nautical/sea league | nl. | 3 sea mile (admiralty) | 5,56 km | 5559,552 m (exact) | |
| Andere, oude, specialistische lengtematen | |||||
| twip | twp. | 1⁄1440 inch | 17,6 µm | 0,017 63¯8 m | |
| mil (VS), thou (VK) | 1⁄1000 inch | 25,4 µm | 0,000 025 400 m | ||
| mickey | 1⁄200 inch | 127 µm | 0,000 127 m | ||
| calibre | kaliber | cal. | 1⁄100 inch | 254 µm | 0,000 254 m |
| point | punt | pt. | 1⁄72 inch | 353 µm | 0,000 352 7¯7 m |
| (shoe) ounce | 1⁄64 inch | 397 µm | 0,000 396 875 m | ||
| (shoe) iron | 1⁄48 inch | 529 µm | 0,000 529 1¯6 m | ||
| line | lijn | ln | 1⁄12 inch | 2,12 mm | 0,002 11¯6 m |
| barleycorn | gerstekorrel | 1⁄3 inch | 8,47 mm | 0,008 4¯6 m | |
| digit, nailfoot | vinger | ¾ inch | 1,91 cm | 0,019 050 m | |
| finger (breadth) | vinger | 7⁄8 inch | 2,22 cm | 0,022 225 m | |
| stick | 2 inch | 5,08 cm | 0,050 800 m | ||
| nailyard | nagel | 3 digit | 5,72 cm | 0,057 150 m | |
| palm | hand(-palm) | 3 inch | 7,62 cm | 0,076 200 m | |
| hand, (palm width) | hand(-breedte) | 4 inch | 1,02 dm | 0,101 600 m | |
| shaftment | 6 inch | 1,52 dm | 0,152 400 m | ||
| span | 3 palm | 2,26 dm | 0,226 200 m | ||
| quarter | ¼ yard | 2,26 dm | 0,226 200 m | ||
| cubit | 18 inch | 4,57 dm | 0,457 200 m | ||
| pace (VS), step (VK) | pas/stap | 2½ ft | 7,62 dm | 0,762 m | |
| ell | el | 45 inch | 1,14 m | 1,143 m | |
| grade, geometric pace | dubbele pas/stap | 2 pace | 1,52 m | 1,524 m | |
| rope | touw (?) | 20 ft | 6,10 m | 6,096 m | |
| skein | (streng ???) | 120 yard | 1,10 hm | 109,728 m | |
| spindle | (spindel ?) | 120 skein | 13,2 km | 13 167,360 m | |