| board | 1 bd | 2 bd | 3 bd | 4 bd | 5 bd | 6 bd | 7 bd | 8 bd | 9 bd | 10 bd | 11 bd | 12 bd | 13 bd | 14 bd | 15 bd | 16 bd | 17 bd | 18 bd | 19 bd | 20 bd | 21 bd | 22 bd | 23 bd | 24 bd | 25 bd | 26 bd | 27 bd | 28 bd | 29 bd | 30 bd | 31 bd | 32 bd | 33 bd | 34 bd | 35 bd | 36 bd | 37 bd | 38 bd | 39 bd | 40 bd | 41 bd | 42 bd | 43 bd | 44 bd | 45 bd | 46 bd | 47 bd | 48 bd | 49 bd | 50 bd | 51 bd | 52 bd | 53 bd | 54 bd | 55 bd | 56 bd | 57 bd | 58 bd | 59 bd | 60 bd | 61 bd | 62 bd | 63 bd | 64 bd | 65 bd | 66 bd | 67 bd | 68 bd | 69 bd | 70 bd | 71 bd | 72 bd | 73 bd | 74 bd | 75 bd | 76 bd | 77 bd | 78 bd | 79 bd | 80 bd | 81 bd | 82 bd | 83 bd | 84 bd | 85 bd | 86 bd | 87 bd | 88 bd | 89 bd | 90 bd | 91 bd | 92 bd | 93 bd | 94 bd | 95 bd | 96 bd | 97 bd | 98 bd | 99 bd | 100 bd |
| square link | 0.1913070 sq lnk | 0.3826140 sq lnk | 0.5739210 sq lnk | 0.7652280 sq lnk | 0.9565350 sq lnk | 1.1478421 sq lnk | 1.3391491 sq lnk | 1.5304561 sq lnk | 1.7217631 sq lnk | 1.9130701 sq lnk | 2.1043771 sq lnk | 2.2956841 sq lnk | 2.4869911 sq lnk | 2.6782981 sq lnk | 2.8696051 sq lnk | 3.0609122 sq lnk | 3.2522192 sq lnk | 3.4435262 sq lnk | 3.6348332 sq lnk | 3.8261402 sq lnk | 4.0174472 sq lnk | 4.2087542 sq lnk | 4.4000612 sq lnk | 4.5913682 sq lnk | 4.7826752 sq lnk | 4.9739822 sq lnk | 5.1652893 sq lnk | 5.3565963 sq lnk | 5.5479033 sq lnk | 5.7392103 sq lnk | 5.9305173 sq lnk | 6.1218243 sq lnk | 6.3131313 sq lnk | 6.5044383 sq lnk | 6.6957453 sq lnk | 6.8870523 sq lnk | 7.0783594 sq lnk | 7.2696664 sq lnk | 7.4609734 sq lnk | 7.6522804 sq lnk | 7.8435874 sq lnk | 8.0348944 sq lnk | 8.2262014 sq lnk | 8.4175084 sq lnk | 8.6088154 sq lnk | 8.8001224 sq lnk | 8.9914294 sq lnk | 9.1827365 sq lnk | 9.3740435 sq lnk | 9.5653505 sq lnk | 9.7566575 sq lnk | 9.9479645 sq lnk | 10.1392715 sq lnk | 10.3305785 sq lnk | 10.5218855 sq lnk | 10.7131925 sq lnk | 10.9044995 sq lnk | 11.0958066 sq lnk | 11.2871136 sq lnk | 11.4784206 sq lnk | 11.6697276 sq lnk | 11.8610346 sq lnk | 12.0523416 sq lnk | 12.2436486 sq lnk | 12.4349556 sq lnk | 12.6262626 sq lnk | 12.8175696 sq lnk | 13.0088766 sq lnk | 13.2001837 sq lnk | 13.3914907 sq lnk | 13.5827977 sq lnk | 13.7741047 sq lnk | 13.9654117 sq lnk | 14.1567187 sq lnk | 14.3480257 sq lnk | 14.5393327 sq lnk | 14.7306397 sq lnk | 14.9219467 sq lnk | 15.1132537 sq lnk | 15.3045608 sq lnk | 15.4958678 sq lnk | 15.6871748 sq lnk | 15.8784818 sq lnk | 16.0697888 sq lnk | 16.2610958 sq lnk | 16.4524028 sq lnk | 16.6437098 sq lnk | 16.8350168 sq lnk | 17.0263238 sq lnk | 17.2176309 sq lnk | 17.4089379 sq lnk | 17.6002449 sq lnk | 17.7915519 sq lnk | 17.9828589 sq lnk | 18.1741659 sq lnk | 18.3654729 sq lnk | 18.5567799 sq lnk | 18.7480869 sq lnk | 18.9393939 sq lnk | 19.1307009 sq lnk |
Board is a unit of area.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| board | bd | ≡ 1 in × 1 ft | ≡ 7.74192×10−3 m2 | Other |
| boards | square links | boards | square links |
|---|---|---|---|
| 1 | = 0.19130700948883 | 6 | = 1.147842056933 |
| 2 | = 0.38261401897766 | 7 | = 1.3391490664218 |
| 3 | = 0.57392102846648 | 8 | = 1.5304560759106 |
| 4 | = 0.76522803795531 | 9 | = 1.7217630853994 |
| 5 | = 0.95653504744414 | 10 | = 1.9130700948883 |
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 | boards | square links | boards |
|---|---|---|---|
| 1 | = 5.2272 | 6 | = 31.3632 |
| 2 | = 10.4544 | 7 | = 36.5904 |
| 3 | = 15.6816 | 8 | = 41.8176 |
| 4 | = 20.9088 | 9 | = 47.0448 |
| 5 | = 26.136 | 10 | = 52.272 |
| boards | square links |
|---|---|
| 1 | = 0.1913070 |
| 5.2272 | = 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 …) |