| 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 |
| cuerda | 2.3637070886471 × 10-5 cda | 4.7274141772942 × 10-5 cda | 7.0911212659413 × 10-5 cda | 9.4548283545883 × 10-5 cda | 0.0001182 cda | 0.0001418 cda | 0.0001655 cda | 0.0001891 cda | 0.0002127 cda | 0.0002364 cda | 0.0002600 cda | 0.0002836 cda | 0.0003073 cda | 0.0003309 cda | 0.0003546 cda | 0.0003782 cda | 0.0004018 cda | 0.0004255 cda | 0.0004491 cda | 0.0004727 cda | 0.0004964 cda | 0.0005200 cda | 0.0005437 cda | 0.0005673 cda | 0.0005909 cda | 0.0006146 cda | 0.0006382 cda | 0.0006618 cda | 0.0006855 cda | 0.0007091 cda | 0.0007327 cda | 0.0007564 cda | 0.0007800 cda | 0.0008037 cda | 0.0008273 cda | 0.0008509 cda | 0.0008746 cda | 0.0008982 cda | 0.0009218 cda | 0.0009455 cda | 0.0009691 cda | 0.0009928 cda | 0.0010164 cda | 0.0010400 cda | 0.0010637 cda | 0.0010873 cda | 0.0011109 cda | 0.0011346 cda | 0.0011582 cda | 0.0011819 cda | 0.0012055 cda | 0.0012291 cda | 0.0012528 cda | 0.0012764 cda | 0.0013000 cda | 0.0013237 cda | 0.0013473 cda | 0.0013710 cda | 0.0013946 cda | 0.0014182 cda | 0.0014419 cda | 0.0014655 cda | 0.0014891 cda | 0.0015128 cda | 0.0015364 cda | 0.0015600 cda | 0.0015837 cda | 0.0016073 cda | 0.0016310 cda | 0.0016546 cda | 0.0016782 cda | 0.0017019 cda | 0.0017255 cda | 0.0017491 cda | 0.0017728 cda | 0.0017964 cda | 0.0018201 cda | 0.0018437 cda | 0.0018673 cda | 0.0018910 cda | 0.0019146 cda | 0.0019382 cda | 0.0019619 cda | 0.0019855 cda | 0.0020092 cda | 0.0020328 cda | 0.0020564 cda | 0.0020801 cda | 0.0021037 cda | 0.0021273 cda | 0.0021510 cda | 0.0021746 cda | 0.0021982 cda | 0.0022219 cda | 0.0022455 cda | 0.0022692 cda | 0.0022928 cda | 0.0023164 cda | 0.0023401 cda | 0.0023637 cda |
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 | cuerdas | square feet | cuerdas |
|---|---|---|---|
| 1 | ≡ 2.3637070886471E-5 | 6 | ≡ 0.00014182242531883 |
| 2 | ≡ 4.7274141772942E-5 | 7 | ≡ 0.0001654594962053 |
| 3 | ≡ 7.0911212659413E-5 | 8 | ≡ 0.00018909656709177 |
| 4 | ≡ 9.4548283545883E-5 | 9 | ≡ 0.00021273363797824 |
| 5 | ≡ 0.00011818535443235 | 10 | ≡ 0.00023637070886471 |
The term "cuerda" (and "Spanish acre") refers to various units of measurement in some Spanish-speaking regions, including Spain,Puerto Rico, Guatemala, Cuba, and Paraguay.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| cuerda | cda | ≡ 1 cda x 1 cda = 0.971222 acre | ≡ 3930.395625 m2 | Other |
| cuerdas | square feet | cuerdas | square feet |
|---|---|---|---|
| 1 | ≡ 42306.426409728 | 6 | ≡ 253838.55845837 |
| 2 | ≡ 84612.852819456 | 7 | ≡ 296144.98486809 |
| 3 | ≡ 126919.27922918 | 8 | ≡ 338451.41127782 |
| 4 | ≡ 169225.70563891 | 9 | ≡ 380757.83768755 |
| 5 | ≡ 211532.13204864 | 10 | ≡ 423064.26409728 |
| square feet | cuerdas |
|---|---|
| 1 | ≡ 2.3637070886471 × 10-5 |
| 42,306.4264097 | ≡ 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 …) |