decare | 1 Da | 2 Da | 3 Da | 4 Da | 5 Da | 6 Da | 7 Da | 8 Da | 9 Da | 10 Da | 11 Da | 12 Da | 13 Da | 14 Da | 15 Da | 16 Da | 17 Da | 18 Da | 19 Da | 20 Da | 21 Da | 22 Da | 23 Da | 24 Da | 25 Da | 26 Da | 27 Da | 28 Da | 29 Da | 30 Da | 31 Da | 32 Da | 33 Da | 34 Da | 35 Da | 36 Da | 37 Da | 38 Da | 39 Da | 40 Da | 41 Da | 42 Da | 43 Da | 44 Da | 45 Da | 46 Da | 47 Da | 48 Da | 49 Da | 50 Da | 51 Da | 52 Da | 53 Da | 54 Da | 55 Da | 56 Da | 57 Da | 58 Da | 59 Da | 60 Da | 61 Da | 62 Da | 63 Da | 64 Da | 65 Da | 66 Da | 67 Da | 68 Da | 69 Da | 70 Da | 71 Da | 72 Da | 73 Da | 74 Da | 75 Da | 76 Da | 77 Da | 78 Da | 79 Da | 80 Da | 81 Da | 82 Da | 83 Da | 84 Da | 85 Da | 86 Da | 87 Da | 88 Da | 89 Da | 90 Da | 91 Da | 92 Da | 93 Da | 94 Da | 95 Da | 96 Da | 97 Da | 98 Da | 99 Da | 100 Da |
acre | 0.2471054 ac | 0.4942108 ac | 0.7413161 ac | 0.9884215 ac | 1.2355269 ac | 1.4826323 ac | 1.7297377 ac | 1.9768431 ac | 2.2239484 ac | 2.4710538 ac | 2.7181592 ac | 2.9652646 ac | 3.2123700 ac | 3.4594753 ac | 3.7065807 ac | 3.9536861 ac | 4.2007915 ac | 4.4478969 ac | 4.6950023 ac | 4.9421076 ac | 5.1892130 ac | 5.4363184 ac | 5.6834238 ac | 5.9305292 ac | 6.1776345 ac | 6.4247399 ac | 6.6718453 ac | 6.9189507 ac | 7.1660561 ac | 7.4131614 ac | 7.6602668 ac | 7.9073722 ac | 8.1544776 ac | 8.4015830 ac | 8.6486884 ac | 8.8957937 ac | 9.1428991 ac | 9.3900045 ac | 9.6371099 ac | 9.8842153 ac | 10.1313206 ac | 10.3784260 ac | 10.6255314 ac | 10.8726368 ac | 11.1197422 ac | 11.3668476 ac | 11.6139529 ac | 11.8610583 ac | 12.1081637 ac | 12.3552691 ac | 12.6023745 ac | 12.8494798 ac | 13.0965852 ac | 13.3436906 ac | 13.5907960 ac | 13.8379014 ac | 14.0850068 ac | 14.3321121 ac | 14.5792175 ac | 14.8263229 ac | 15.0734283 ac | 15.3205337 ac | 15.5676390 ac | 15.8147444 ac | 16.0618498 ac | 16.3089552 ac | 16.5560606 ac | 16.8031659 ac | 17.0502713 ac | 17.2973767 ac | 17.5444821 ac | 17.7915875 ac | 18.0386929 ac | 18.2857982 ac | 18.5329036 ac | 18.7800090 ac | 19.0271144 ac | 19.2742198 ac | 19.5213251 ac | 19.7684305 ac | 20.0155359 ac | 20.2626413 ac | 20.5097467 ac | 20.7568521 ac | 21.0039574 ac | 21.2510628 ac | 21.4981682 ac | 21.7452736 ac | 21.9923790 ac | 22.2394843 ac | 22.4865897 ac | 22.7336951 ac | 22.9808005 ac | 23.2279059 ac | 23.4750113 ac | 23.7221166 ac | 23.9692220 ac | 24.2163274 ac | 24.4634328 ac | 24.7105382 ac |
The decare (/ˈdɛkɑːr/ or /ˈdɛkɛər/) is derived from deca and are, and is equal to 10 ares or 1000 square metres. It is used in Norway and in the former Ottoman areas of the Middle East and the Balkans (Bulgaria) as a measure of land area. Instead of the name "decare", the names of traditional land measures are usually used, redefined as one decare:
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
decare | Da | ≡ 1000 m2 | ≡ 1000 m2 | Metric system SI |
decares | acres | decares | acres |
---|---|---|---|
1 | ≡ 0.24710538161371 | 6 | ≡ 1.4826322896823 |
2 | ≡ 0.49421076322742 | 7 | ≡ 1.729737671296 |
3 | ≡ 0.74131614484114 | 8 | ≡ 1.9768430529097 |
4 | ≡ 0.98842152645485 | 9 | ≡ 2.2239484345234 |
5 | ≡ 1.2355269080686 | 10 | ≡ 2.4710538161371 |
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 | decares | acres | decares |
---|---|---|---|
1 | ≡ 4.04685642 | 6 | ≡ 24.28113852 |
2 | ≡ 8.09371284 | 7 | ≡ 28.32799494 |
3 | ≡ 12.14056926 | 8 | ≡ 32.37485136 |
4 | ≡ 16.18742568 | 9 | ≡ 36.42170778 |
5 | ≡ 20.2342821 | 10 | ≡ 40.4685642 |
decares | acres |
---|---|
1 | ≡ 0.2471054 |
4.0468564 | ≡ 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 …) |