square foot | 1 sq ft | 2 sq ft | 3 sq ft | 4 sq ft | 5 sq ft | 6 sq ft | 7 sq ft | 8 sq ft | 9 sq ft | 10 sq ft | 11 sq ft | 12 sq ft | 13 sq ft | 14 sq ft | 15 sq ft | 16 sq ft | 17 sq ft | 18 sq ft | 19 sq ft | 20 sq ft | 21 sq ft | 22 sq ft | 23 sq ft | 24 sq ft | 25 sq ft | 26 sq ft | 27 sq ft | 28 sq ft | 29 sq ft | 30 sq ft | 31 sq ft | 32 sq ft | 33 sq ft | 34 sq ft | 35 sq ft | 36 sq ft | 37 sq ft | 38 sq ft | 39 sq ft | 40 sq ft | 41 sq ft | 42 sq ft | 43 sq ft | 44 sq ft | 45 sq ft | 46 sq ft | 47 sq ft | 48 sq ft | 49 sq ft | 50 sq ft | 51 sq ft | 52 sq ft | 53 sq ft | 54 sq ft | 55 sq ft | 56 sq ft | 57 sq ft | 58 sq ft | 59 sq ft | 60 sq ft | 61 sq ft | 62 sq ft | 63 sq ft | 64 sq ft | 65 sq ft | 66 sq ft | 67 sq ft | 68 sq ft | 69 sq ft | 70 sq ft | 71 sq ft | 72 sq ft | 73 sq ft | 74 sq ft | 75 sq ft | 76 sq ft | 77 sq ft | 78 sq ft | 79 sq ft | 80 sq ft | 81 sq ft | 82 sq ft | 83 sq ft | 84 sq ft | 85 sq ft | 86 sq ft | 87 sq ft | 88 sq ft | 89 sq ft | 90 sq ft | 91 sq ft | 92 sq ft | 93 sq ft | 94 sq ft | 95 sq ft | 96 sq ft | 97 sq ft | 98 sq ft | 99 sq ft | 100 sq ft |
centiare | 0.0929030 ca | 0.1858061 ca | 0.2787091 ca | 0.3716122 ca | 0.4645152 ca | 0.5574182 ca | 0.6503213 ca | 0.7432243 ca | 0.8361274 ca | 0.9290304 ca | 1.0219334 ca | 1.1148365 ca | 1.2077395 ca | 1.3006426 ca | 1.3935456 ca | 1.4864486 ca | 1.5793517 ca | 1.6722547 ca | 1.7651578 ca | 1.8580608 ca | 1.9509638 ca | 2.0438669 ca | 2.1367699 ca | 2.2296730 ca | 2.322576 ca | 2.4154790 ca | 2.5083821 ca | 2.6012851 ca | 2.6941882 ca | 2.7870912 ca | 2.8799942 ca | 2.9728973 ca | 3.0658003 ca | 3.1587034 ca | 3.2516064 ca | 3.3445094 ca | 3.4374125 ca | 3.5303155 ca | 3.6232186 ca | 3.7161216 ca | 3.8090246 ca | 3.9019277 ca | 3.9948307 ca | 4.0877338 ca | 4.1806368 ca | 4.2735398 ca | 4.3664429 ca | 4.4593459 ca | 4.5522490 ca | 4.645152 ca | 4.7380550 ca | 4.8309581 ca | 4.9238611 ca | 5.0167642 ca | 5.1096672 ca | 5.2025702 ca | 5.2954733 ca | 5.3883763 ca | 5.4812794 ca | 5.5741824 ca | 5.6670854 ca | 5.7599885 ca | 5.8528915 ca | 5.9457946 ca | 6.0386976 ca | 6.1316006 ca | 6.2245037 ca | 6.3174067 ca | 6.4103098 ca | 6.5032128 ca | 6.5961158 ca | 6.6890189 ca | 6.7819219 ca | 6.8748250 ca | 6.967728 ca | 7.0606310 ca | 7.1535341 ca | 7.2464371 ca | 7.3393402 ca | 7.4322432 ca | 7.5251462 ca | 7.6180493 ca | 7.7109523 ca | 7.8038554 ca | 7.8967584 ca | 7.9896614 ca | 8.0825645 ca | 8.1754675 ca | 8.2683706 ca | 8.3612736 ca | 8.4541766 ca | 8.5470797 ca | 8.6399827 ca | 8.7328858 ca | 8.8257888 ca | 8.9186918 ca | 9.0115949 ca | 9.1044979 ca | 9.1974010 ca | 9.290304 ca |
The square foot (plural square feet; abbreviated sq ft, sf, ft2) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States and partially in Bangladesh, Canada, Ghana, Hong Kong, India, Malaysia, Nepal, Pakistan, Singapore and the United Kingdom. It is defined as the area of a square with sides of 1 foot.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square foot | sq ft | ≡ 1 ft × 1 ft | ≡ 9.290304×10−2 m2 | Imperial/US |
square feet | centiares | square feet | centiares |
---|---|---|---|
1 | = 0.09290304 | 6 | = 0.55741824 |
2 | = 0.18580608 | 7 | = 0.65032128 |
3 | = 0.27870912 | 8 | = 0.74322432 |
4 | = 0.37161216 | 9 | = 0.83612736 |
5 | = 0.4645152 | 10 | = 0.9290304 |
The centiare is one square metre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
centiare | ca | = 1 m2 | = 1 m2 | Metric system SI |
centiares | square feet | centiares | square feet |
---|---|---|---|
1 | = 10.76391041671 | 6 | = 64.583462500258 |
2 | = 21.527820833419 | 7 | = 75.347372916968 |
3 | = 32.291731250129 | 8 | = 86.111283333678 |
4 | = 43.055641666839 | 9 | = 96.875193750387 |
5 | = 53.819552083549 | 10 | = 107.6391041671 |
square feet | centiares |
---|---|
1 | = 0.0929030 |
10.7639104 | = 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 …) |