square decameter | 1 dam2 | 2 dam2 | 3 dam2 | 4 dam2 | 5 dam2 | 6 dam2 | 7 dam2 | 8 dam2 | 9 dam2 | 10 dam2 | 11 dam2 | 12 dam2 | 13 dam2 | 14 dam2 | 15 dam2 | 16 dam2 | 17 dam2 | 18 dam2 | 19 dam2 | 20 dam2 | 21 dam2 | 22 dam2 | 23 dam2 | 24 dam2 | 25 dam2 | 26 dam2 | 27 dam2 | 28 dam2 | 29 dam2 | 30 dam2 | 31 dam2 | 32 dam2 | 33 dam2 | 34 dam2 | 35 dam2 | 36 dam2 | 37 dam2 | 38 dam2 | 39 dam2 | 40 dam2 | 41 dam2 | 42 dam2 | 43 dam2 | 44 dam2 | 45 dam2 | 46 dam2 | 47 dam2 | 48 dam2 | 49 dam2 | 50 dam2 | 51 dam2 | 52 dam2 | 53 dam2 | 54 dam2 | 55 dam2 | 56 dam2 | 57 dam2 | 58 dam2 | 59 dam2 | 60 dam2 | 61 dam2 | 62 dam2 | 63 dam2 | 64 dam2 | 65 dam2 | 66 dam2 | 67 dam2 | 68 dam2 | 69 dam2 | 70 dam2 | 71 dam2 | 72 dam2 | 73 dam2 | 74 dam2 | 75 dam2 | 76 dam2 | 77 dam2 | 78 dam2 | 79 dam2 | 80 dam2 | 81 dam2 | 82 dam2 | 83 dam2 | 84 dam2 | 85 dam2 | 86 dam2 | 87 dam2 | 88 dam2 | 89 dam2 | 90 dam2 | 91 dam2 | 92 dam2 | 93 dam2 | 94 dam2 | 95 dam2 | 96 dam2 | 97 dam2 | 98 dam2 | 99 dam2 | 100 dam2 |
decare | 0.1 Da | 0.2 Da | 0.3 Da | 0.4 Da | 0.5 Da | 0.6 Da | 0.7 Da | 0.8 Da | 0.9 Da | 1 Da | 1.1 Da | 1.2 Da | 1.3 Da | 1.4 Da | 1.5 Da | 1.6 Da | 1.7 Da | 1.8 Da | 1.9 Da | 2 Da | 2.1 Da | 2.2 Da | 2.3 Da | 2.4 Da | 2.5 Da | 2.6 Da | 2.7 Da | 2.8 Da | 2.9 Da | 3 Da | 3.1 Da | 3.2 Da | 3.3 Da | 3.4 Da | 3.5 Da | 3.6 Da | 3.7 Da | 3.8 Da | 3.9 Da | 4 Da | 4.1 Da | 4.2 Da | 4.3 Da | 4.4 Da | 4.5 Da | 4.6 Da | 4.7 Da | 4.8 Da | 4.9 Da | 5 Da | 5.1 Da | 5.2 Da | 5.3 Da | 5.4 Da | 5.5 Da | 5.6 Da | 5.7 Da | 5.8 Da | 5.9 Da | 6 Da | 6.1 Da | 6.2 Da | 6.3 Da | 6.4 Da | 6.5 Da | 6.6 Da | 6.7 Da | 6.8 Da | 6.9 Da | 7 Da | 7.1 Da | 7.2 Da | 7.3 Da | 7.4 Da | 7.5 Da | 7.6 Da | 7.7 Da | 7.8 Da | 7.9 Da | 8 Da | 8.1 Da | 8.2 Da | 8.3 Da | 8.4 Da | 8.5 Da | 8.6 Da | 8.7 Da | 8.8 Da | 8.9 Da | 9 Da | 9.1 Da | 9.2 Da | 9.3 Da | 9.4 Da | 9.5 Da | 9.6 Da | 9.7 Da | 9.8 Da | 9.9 Da | 10 Da |
Square decametre (International spelling as used by the International Bureau of Weights and Measures) or square decameter (American spelling) or are, symbol dam2, is the unit of area or surface area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square decameter | dam2 | ≡ 1 dam × 1 dam ≡ 10 m × 10 m | = 102 m2 | Metric system SI |
square decameters | decares | square decameters | decares |
---|---|---|---|
1 | = 0.1 | 6 | = 0.6 |
2 | = 0.2 | 7 | = 0.7 |
3 | = 0.3 | 8 | = 0.8 |
4 | = 0.4 | 9 | = 0.9 |
5 | = 0.5 | 10 | = 1 |
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 | square decameters | decares | square decameters |
---|---|---|---|
1 | = 10 | 6 | = 60 |
2 | = 20 | 7 | = 70 |
3 | = 30 | 8 | = 80 |
4 | = 40 | 9 | = 90 |
5 | = 50 | 10 | = 100 |
square decameters | decares |
---|---|
1 | = 0.1 |
10 | = 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 …) |