centiare | 1 ca | 2 ca | 3 ca | 4 ca | 5 ca | 6 ca | 7 ca | 8 ca | 9 ca | 10 ca | 11 ca | 12 ca | 13 ca | 14 ca | 15 ca | 16 ca | 17 ca | 18 ca | 19 ca | 20 ca | 21 ca | 22 ca | 23 ca | 24 ca | 25 ca | 26 ca | 27 ca | 28 ca | 29 ca | 30 ca | 31 ca | 32 ca | 33 ca | 34 ca | 35 ca | 36 ca | 37 ca | 38 ca | 39 ca | 40 ca | 41 ca | 42 ca | 43 ca | 44 ca | 45 ca | 46 ca | 47 ca | 48 ca | 49 ca | 50 ca | 51 ca | 52 ca | 53 ca | 54 ca | 55 ca | 56 ca | 57 ca | 58 ca | 59 ca | 60 ca | 61 ca | 62 ca | 63 ca | 64 ca | 65 ca | 66 ca | 67 ca | 68 ca | 69 ca | 70 ca | 71 ca | 72 ca | 73 ca | 74 ca | 75 ca | 76 ca | 77 ca | 78 ca | 79 ca | 80 ca | 81 ca | 82 ca | 83 ca | 84 ca | 85 ca | 86 ca | 87 ca | 88 ca | 89 ca | 90 ca | 91 ca | 92 ca | 93 ca | 94 ca | 95 ca | 96 ca | 97 ca | 98 ca | 99 ca | 100 ca |
acre | 0.0002471 ac | 0.0004942 ac | 0.0007413 ac | 0.0009884 ac | 0.0012355 ac | 0.0014826 ac | 0.0017297 ac | 0.0019768 ac | 0.0022239 ac | 0.0024711 ac | 0.0027182 ac | 0.0029653 ac | 0.0032124 ac | 0.0034595 ac | 0.0037066 ac | 0.0039537 ac | 0.0042008 ac | 0.0044479 ac | 0.0046950 ac | 0.0049421 ac | 0.0051892 ac | 0.0054363 ac | 0.0056834 ac | 0.0059305 ac | 0.0061776 ac | 0.0064247 ac | 0.0066718 ac | 0.0069190 ac | 0.0071661 ac | 0.0074132 ac | 0.0076603 ac | 0.0079074 ac | 0.0081545 ac | 0.0084016 ac | 0.0086487 ac | 0.0088958 ac | 0.0091429 ac | 0.0093900 ac | 0.0096371 ac | 0.0098842 ac | 0.0101313 ac | 0.0103784 ac | 0.0106255 ac | 0.0108726 ac | 0.0111197 ac | 0.0113668 ac | 0.0116140 ac | 0.0118611 ac | 0.0121082 ac | 0.0123553 ac | 0.0126024 ac | 0.0128495 ac | 0.0130966 ac | 0.0133437 ac | 0.0135908 ac | 0.0138379 ac | 0.0140850 ac | 0.0143321 ac | 0.0145792 ac | 0.0148263 ac | 0.0150734 ac | 0.0153205 ac | 0.0155676 ac | 0.0158147 ac | 0.0160618 ac | 0.0163090 ac | 0.0165561 ac | 0.0168032 ac | 0.0170503 ac | 0.0172974 ac | 0.0175445 ac | 0.0177916 ac | 0.0180387 ac | 0.0182858 ac | 0.0185329 ac | 0.0187800 ac | 0.0190271 ac | 0.0192742 ac | 0.0195213 ac | 0.0197684 ac | 0.0200155 ac | 0.0202626 ac | 0.0205097 ac | 0.0207569 ac | 0.0210040 ac | 0.0212511 ac | 0.0214982 ac | 0.0217453 ac | 0.0219924 ac | 0.0222395 ac | 0.0224866 ac | 0.0227337 ac | 0.0229808 ac | 0.0232279 ac | 0.0234750 ac | 0.0237221 ac | 0.0239692 ac | 0.0242163 ac | 0.0244634 ac | 0.0247105 ac |
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 | acres | centiares | acres |
---|---|---|---|
1 | = 0.00024710538161371 | 6 | = 0.0014826322896823 |
2 | = 0.00049421076322742 | 7 | = 0.001729737671296 |
3 | = 0.00074131614484114 | 8 | = 0.0019768430529097 |
4 | = 0.00098842152645485 | 9 | = 0.0022239484345234 |
5 | = 0.0012355269080686 | 10 | = 0.0024710538161371 |
The acre is a unit of land area used in the imperial and US customary systems. It is defined as the area of 1 chain by 1 furlong (66 by 660 feet), which is exactly equal to 1⁄640 of a square mile, 43,560 square feet, approximately 4,047 m2, or about 40% of a hectare.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
acre | ac | ≡ 1 ch × 10 ch = 4840 sq yd | ≡ 4046.8564224 m2 | Imperial/US |
acres | centiares | acres | centiares |
---|---|---|---|
1 | = 4046.85642 | 6 | = 24281.13852 |
2 | = 8093.71284 | 7 | = 28327.99494 |
3 | = 12140.56926 | 8 | = 32374.85136 |
4 | = 16187.42568 | 9 | = 36421.70778 |
5 | = 20234.2821 | 10 | = 40468.5642 |
centiares | acres |
---|---|
1 | = 0.0002471 |
4,046.85642 | = 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 …) |