quarter | 1 qr. | 2 qr. | 3 qr. | 4 qr. | 5 qr. | 6 qr. | 7 qr. | 8 qr. | 9 qr. | 10 qr. | 11 qr. | 12 qr. | 13 qr. | 14 qr. | 15 qr. | 16 qr. | 17 qr. | 18 qr. | 19 qr. | 20 qr. | 21 qr. | 22 qr. | 23 qr. | 24 qr. | 25 qr. | 26 qr. | 27 qr. | 28 qr. | 29 qr. | 30 qr. | 31 qr. | 32 qr. | 33 qr. | 34 qr. | 35 qr. | 36 qr. | 37 qr. | 38 qr. | 39 qr. | 40 qr. | 41 qr. | 42 qr. | 43 qr. | 44 qr. | 45 qr. | 46 qr. | 47 qr. | 48 qr. | 49 qr. | 50 qr. | 51 qr. | 52 qr. | 53 qr. | 54 qr. | 55 qr. | 56 qr. | 57 qr. | 58 qr. | 59 qr. | 60 qr. | 61 qr. | 62 qr. | 63 qr. | 64 qr. | 65 qr. | 66 qr. | 67 qr. | 68 qr. | 69 qr. | 70 qr. | 71 qr. | 72 qr. | 73 qr. | 74 qr. | 75 qr. | 76 qr. | 77 qr. | 78 qr. | 79 qr. | 80 qr. | 81 qr. | 82 qr. | 83 qr. | 84 qr. | 85 qr. | 86 qr. | 87 qr. | 88 qr. | 89 qr. | 90 qr. | 91 qr. | 92 qr. | 93 qr. | 94 qr. | 95 qr. | 96 qr. | 97 qr. | 98 qr. | 99 qr. | 100 qr. |
foot, metric | 0.7228967 mf | 1.4457933 mf | 2.1686900 mf | 2.8915867 mf | 3.6144834 mf | 4.3373800 mf | 5.0602767 mf | 5.7831734 mf | 6.5060701 mf | 7.2289667 mf | 7.9518634 mf | 8.6747601 mf | 9.3976568 mf | 10.1205534 mf | 10.8434501 mf | 11.5663468 mf | 12.2892434 mf | 13.0121401 mf | 13.7350368 mf | 14.4579335 mf | 15.1808301 mf | 15.9037268 mf | 16.6266235 mf | 17.3495202 mf | 18.0724168 mf | 18.7953135 mf | 19.5182102 mf | 20.2411068 mf | 20.9640035 mf | 21.6869002 mf | 22.4097969 mf | 23.1326935 mf | 23.8555902 mf | 24.5784869 mf | 25.3013836 mf | 26.0242802 mf | 26.7471769 mf | 27.4700736 mf | 28.1929703 mf | 28.9158669 mf | 29.6387636 mf | 30.3616603 mf | 31.0845569 mf | 31.8074536 mf | 32.5303503 mf | 33.2532470 mf | 33.9761436 mf | 34.6990403 mf | 35.4219370 mf | 36.1448337 mf | 36.8677303 mf | 37.5906270 mf | 38.3135237 mf | 39.0364203 mf | 39.7593170 mf | 40.4822137 mf | 41.2051104 mf | 41.9280070 mf | 42.6509037 mf | 43.3738004 mf | 44.0966971 mf | 44.8195937 mf | 45.5424904 mf | 46.2653871 mf | 46.9882838 mf | 47.7111804 mf | 48.4340771 mf | 49.1569738 mf | 49.8798704 mf | 50.6027671 mf | 51.3256638 mf | 52.0485605 mf | 52.7714571 mf | 53.4943538 mf | 54.2172505 mf | 54.9401472 mf | 55.6630438 mf | 56.3859405 mf | 57.1088372 mf | 57.8317338 mf | 58.5546305 mf | 59.2775272 mf | 60.0004239 mf | 60.7233205 mf | 61.4462172 mf | 62.1691139 mf | 62.8920106 mf | 63.6149072 mf | 64.3378039 mf | 65.0607006 mf | 65.7835973 mf | 66.5064939 mf | 67.2293906 mf | 67.9522873 mf | 68.6751839 mf | 69.3980806 mf | 70.1209773 mf | 70.8438740 mf | 71.5667706 mf | 72.2896673 mf |
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter | qr. | ≡ 1⁄4 yd | = 0.2286 m | Metric system SI |
quarters | feet, metric | quarters | feet, metric |
---|---|---|---|
1 | ≈ 0.72289667310726 | 4 | ≈ 2.8915866924291 |
1.5 | ≈ 1.0843450096609 | 4.5 | ≈ 3.2530350289827 |
2 | ≈ 1.4457933462145 | 5 | ≈ 3.6144833655363 |
2.5 | ≈ 1.8072416827682 | 5.5 | ≈ 3.9759317020899 |
3 | ≈ 2.1686900193218 | 6 | ≈ 4.3373800386436 |
A metric foot is a nickname for a preferred number length of 3 basic modules (3 M), or 30 centimetres (11.811 in). The 30 cm metric ruler was a similar length to the traditional imperial one-foot ruler. A metric foot is 4.8 millimetres (0.189 in) shorter than an imperial foot.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
foot, metric | mf | ≡ √ 1⁄10 m | ≈ 0.31622776602 m | Metric system Non-SI |
feet, metric | quarters | feet, metric | quarters |
---|---|---|---|
1 | ≈ 1.3833235608924 | 4 | ≈ 5.5332942435696 |
1.5 | ≈ 2.0749853413386 | 4.5 | ≈ 6.2249560240157 |
2 | ≈ 2.7666471217848 | 5 | ≈ 6.9166178044619 |
2.5 | ≈ 3.458308902231 | 5.5 | ≈ 7.6082795849081 |
3 | ≈ 4.1499706826772 | 6 | ≈ 8.2999413653543 |
quarters | feet, metric |
---|---|
1 | ≈ 0.7228967 |
1.3833236 | ≈ 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 …) |