foot, metric | 1 mf | 2 mf | 3 mf | 4 mf | 5 mf | 6 mf | 7 mf | 8 mf | 9 mf | 10 mf | 11 mf | 12 mf | 13 mf | 14 mf | 15 mf | 16 mf | 17 mf | 18 mf | 19 mf | 20 mf | 21 mf | 22 mf | 23 mf | 24 mf | 25 mf | 26 mf | 27 mf | 28 mf | 29 mf | 30 mf | 31 mf | 32 mf | 33 mf | 34 mf | 35 mf | 36 mf | 37 mf | 38 mf | 39 mf | 40 mf | 41 mf | 42 mf | 43 mf | 44 mf | 45 mf | 46 mf | 47 mf | 48 mf | 49 mf | 50 mf | 51 mf | 52 mf | 53 mf | 54 mf | 55 mf | 56 mf | 57 mf | 58 mf | 59 mf | 60 mf | 61 mf | 62 mf | 63 mf | 64 mf | 65 mf | 66 mf | 67 mf | 68 mf | 69 mf | 70 mf | 71 mf | 72 mf | 73 mf | 74 mf | 75 mf | 76 mf | 77 mf | 78 mf | 79 mf | 80 mf | 81 mf | 82 mf | 83 mf | 84 mf | 85 mf | 86 mf | 87 mf | 88 mf | 89 mf | 90 mf | 91 mf | 92 mf | 93 mf | 94 mf | 95 mf | 96 mf | 97 mf | 98 mf | 99 mf | 100 mf |
quarter | 1.3833236 qr. | 2.7666471 qr. | 4.1499707 qr. | 5.5332942 qr. | 6.9166178 qr. | 8.2999414 qr. | 9.6832649 qr. | 11.0665885 qr. | 12.4499120 qr. | 13.8332356 qr. | 15.2165592 qr. | 16.5998827 qr. | 17.9832063 qr. | 19.3665299 qr. | 20.7498534 qr. | 22.1331770 qr. | 23.5165005 qr. | 24.8998241 qr. | 26.2831477 qr. | 27.6664712 qr. | 29.0497948 qr. | 30.4331183 qr. | 31.8164419 qr. | 33.1997655 qr. | 34.5830890 qr. | 35.9664126 qr. | 37.3497361 qr. | 38.7330597 qr. | 40.1163833 qr. | 41.4997068 qr. | 42.8830304 qr. | 44.2663539 qr. | 45.6496775 qr. | 47.0330011 qr. | 48.4163246 qr. | 49.7996482 qr. | 51.1829718 qr. | 52.5662953 qr. | 53.9496189 qr. | 55.3329424 qr. | 56.7162660 qr. | 58.0995896 qr. | 59.4829131 qr. | 60.8662367 qr. | 62.2495602 qr. | 63.6328838 qr. | 65.0162074 qr. | 66.3995309 qr. | 67.7828545 qr. | 69.1661780 qr. | 70.5495016 qr. | 71.9328252 qr. | 73.3161487 qr. | 74.6994723 qr. | 76.0827958 qr. | 77.4661194 qr. | 78.8494430 qr. | 80.2327665 qr. | 81.6160901 qr. | 82.9994137 qr. | 84.3827372 qr. | 85.7660608 qr. | 87.1493843 qr. | 88.5327079 qr. | 89.9160315 qr. | 91.2993550 qr. | 92.6826786 qr. | 94.0660021 qr. | 95.4493257 qr. | 96.8326493 qr. | 98.2159728 qr. | 99.5992964 qr. | 100.9826199 qr. | 102.3659435 qr. | 103.7492671 qr. | 105.1325906 qr. | 106.5159142 qr. | 107.8992377 qr. | 109.2825613 qr. | 110.6658849 qr. | 112.0492084 qr. | 113.4325320 qr. | 114.8158556 qr. | 116.1991791 qr. | 117.5825027 qr. | 118.9658262 qr. | 120.3491498 qr. | 121.7324734 qr. | 123.1157969 qr. | 124.4991205 qr. | 125.8824440 qr. | 127.2657676 qr. | 128.6490912 qr. | 130.0324147 qr. | 131.4157383 qr. | 132.7990618 qr. | 134.1823854 qr. | 135.5657090 qr. | 136.9490325 qr. | 138.3323561 qr. |
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 |
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 |
feet, metric | quarters |
---|---|
1 | ≈ 1.3833236 |
0.7228967 | ≈ 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 …) |