| circular inch | 1 circ in | 2 circ in | 3 circ in | 4 circ in | 5 circ in | 6 circ in | 7 circ in | 8 circ in | 9 circ in | 10 circ in | 11 circ in | 12 circ in | 13 circ in | 14 circ in | 15 circ in | 16 circ in | 17 circ in | 18 circ in | 19 circ in | 20 circ in | 21 circ in | 22 circ in | 23 circ in | 24 circ in | 25 circ in | 26 circ in | 27 circ in | 28 circ in | 29 circ in | 30 circ in | 31 circ in | 32 circ in | 33 circ in | 34 circ in | 35 circ in | 36 circ in | 37 circ in | 38 circ in | 39 circ in | 40 circ in | 41 circ in | 42 circ in | 43 circ in | 44 circ in | 45 circ in | 46 circ in | 47 circ in | 48 circ in | 49 circ in | 50 circ in | 51 circ in | 52 circ in | 53 circ in | 54 circ in | 55 circ in | 56 circ in | 57 circ in | 58 circ in | 59 circ in | 60 circ in | 61 circ in | 62 circ in | 63 circ in | 64 circ in | 65 circ in | 66 circ in | 67 circ in | 68 circ in | 69 circ in | 70 circ in | 71 circ in | 72 circ in | 73 circ in | 74 circ in | 75 circ in | 76 circ in | 77 circ in | 78 circ in | 79 circ in | 80 circ in | 81 circ in | 82 circ in | 83 circ in | 84 circ in | 85 circ in | 86 circ in | 87 circ in | 88 circ in | 89 circ in | 90 circ in | 91 circ in | 92 circ in | 93 circ in | 94 circ in | 95 circ in | 96 circ in | 97 circ in | 98 circ in | 99 circ in | 100 circ in |
| square link | 0.0125210 sq lnk | 0.0250420 sq lnk | 0.0375630 sq lnk | 0.0500841 sq lnk | 0.0626051 sq lnk | 0.0751261 sq lnk | 0.0876471 sq lnk | 0.1001681 sq lnk | 0.1126891 sq lnk | 0.1252102 sq lnk | 0.1377312 sq lnk | 0.1502522 sq lnk | 0.1627732 sq lnk | 0.1752942 sq lnk | 0.1878152 sq lnk | 0.2003362 sq lnk | 0.2128573 sq lnk | 0.2253783 sq lnk | 0.2378993 sq lnk | 0.2504203 sq lnk | 0.2629413 sq lnk | 0.2754623 sq lnk | 0.2879833 sq lnk | 0.3005044 sq lnk | 0.3130254 sq lnk | 0.3255464 sq lnk | 0.3380674 sq lnk | 0.3505884 sq lnk | 0.3631094 sq lnk | 0.3756305 sq lnk | 0.3881515 sq lnk | 0.4006725 sq lnk | 0.4131935 sq lnk | 0.4257145 sq lnk | 0.4382355 sq lnk | 0.4507565 sq lnk | 0.4632776 sq lnk | 0.4757986 sq lnk | 0.4883196 sq lnk | 0.5008406 sq lnk | 0.5133616 sq lnk | 0.5258826 sq lnk | 0.5384036 sq lnk | 0.5509247 sq lnk | 0.5634457 sq lnk | 0.5759667 sq lnk | 0.5884877 sq lnk | 0.6010087 sq lnk | 0.6135297 sq lnk | 0.6260508 sq lnk | 0.6385718 sq lnk | 0.6510928 sq lnk | 0.6636138 sq lnk | 0.6761348 sq lnk | 0.6886558 sq lnk | 0.7011768 sq lnk | 0.7136979 sq lnk | 0.7262189 sq lnk | 0.7387399 sq lnk | 0.7512609 sq lnk | 0.7637819 sq lnk | 0.7763029 sq lnk | 0.7888239 sq lnk | 0.8013450 sq lnk | 0.8138660 sq lnk | 0.8263870 sq lnk | 0.8389080 sq lnk | 0.8514290 sq lnk | 0.8639500 sq lnk | 0.8764711 sq lnk | 0.8889921 sq lnk | 0.9015131 sq lnk | 0.9140341 sq lnk | 0.9265551 sq lnk | 0.9390761 sq lnk | 0.9515971 sq lnk | 0.9641182 sq lnk | 0.9766392 sq lnk | 0.9891602 sq lnk | 1.0016812 sq lnk | 1.0142022 sq lnk | 1.0267232 sq lnk | 1.0392442 sq lnk | 1.0517653 sq lnk | 1.0642863 sq lnk | 1.0768073 sq lnk | 1.0893283 sq lnk | 1.1018493 sq lnk | 1.1143703 sq lnk | 1.1268914 sq lnk | 1.1394124 sq lnk | 1.1519334 sq lnk | 1.1644544 sq lnk | 1.1769754 sq lnk | 1.1894964 sq lnk | 1.2020174 sq lnk | 1.2145385 sq lnk | 1.2270595 sq lnk | 1.2395805 sq lnk | 1.2521015 sq lnk |
circular inch is a unit of area. it uses in Imperial/US system. it exactly equal π⁄4 sq in and approximately ≈ 5.067075 × 10−4 m2
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| circular inch | circ in | ≡ π⁄4 sq in | ≈ 5.067075×10−4 m2 | Imperial/US |
| circular inches | square links | circular inches | square links |
|---|---|---|---|
| 1 | = 0.012521015007977 | 6 | = 0.075126090047864 |
| 2 | = 0.025042030015955 | 7 | = 0.087647105055842 |
| 3 | = 0.037563045023932 | 8 | = 0.10016812006382 |
| 4 | = 0.050084060031909 | 9 | = 0.1126891350718 |
| 5 | = 0.062605075039887 | 10 | = 0.12521015007977 |
Square link (sq. lk.) is an obsolete unit of UK Surveyors' Measure equal to 1089/2500 sq ft.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| square link | sq lnk | ≡ 1 lnk × 1 lnk ≡ 0.66 ft × 0.66 ft | = 4.0468564224×10−2 m2 | Imperial/US |
| square links | circular inches | square links | circular inches |
|---|---|---|---|
| 1 | = 79.865729684285 | 6 | = 479.19437810571 |
| 2 | = 159.73145936857 | 7 | = 559.06010779 |
| 3 | = 239.59718905286 | 8 | = 638.92583747428 |
| 4 | = 319.46291873714 | 9 | = 718.79156715857 |
| 5 | = 399.32864842143 | 10 | = 798.65729684285 |
| circular inches | square links |
|---|---|
| 1 | = 0.0125210 |
| 79.8657297 | = 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 …) |