| International units | 1 twip | twip | 1 / 20 p 1 / 1440 in | 127 / 7200 mm (17.63 8 μm) | |
| International units | 1 mil | thousandth of an inch mil | 1 / 1000 in | 25.4 μm | |
| International units | 1 p | point | 1 / 72 in | 127 / 360 mm (352. 7 μm) | |
| International units | 1 P | pica | 12 p | 127 / 30 mm (4.2 3 mm) | |
| International units | 1 in 1 ″ | inch | 6 P | 25.4 mm | |
| International units | 1 ft 1 ′ | foot | 12 in | 0.3048 m | |
| International units | 1 yd | yard | 3 ft | 0.9144 m | |
| International units | 1 mi | mile | 5280 ft 1760 yd | 1.609 344 km | |
| International units | 1 le | league | 3 mi 15 840 ft | 4.828 032 km | |
| International nautical units | 1 ftm | fathom | 2 yd 6 ft | 1143 ⁄ 625 m 1.8288 m | |
| International nautical units | 1 cb | cable | 120 ftm 1.091 fur | 3429 ⁄ 15625 km 0.219 456 km | |
| International nautical units | 1 nmi 1 NM | nautical mile | 1.151 mi 8.439 cb | 1852 m 1.852 km | |
| US survey units | 1 li | link | 33 ⁄ 50 ft 7.92 in | 0.201 168 m | 792 ⁄ 3937 m ( 0.201 17 m ) |
| US survey units | 1 ft | US survey foot (deprecated since 2023) | — N/a | — N/a | 1200 ⁄ 3937 m ( 0.304 8006 m ) |
| US survey units | 1 rd | rod "pole" "perch" | 25 li 16.5 ft | 5.0292 m | 19,800 ⁄ 3937 m ( 5.029 m ) |
| US survey units | 1 ch | chain | 4 rd 66 ft | 20.1168 m | 79,200 ⁄ 3937 m 20.117 m |
| US survey units | 1 fur | furlong | 10 ch | 201.168 m | 792 ⁄ 3937 km ( 201.168 m ) |
| US survey units | 1 mi | U.S. survey mile | 8 fur | 1.609 344 km | 6336 ⁄ 3937 km ( 1.609 347 km ) |
| US survey units | 1 lea | league | 3 mi | 4.828 032 km | 19,008 ⁄ 3937 km ( 4.828 km ) |
| Area | 1 sq ft 1 ft 2 | square foot | 144 sq in (international) | 0.09290304 m 2 | 0.09290304 m 2 |
