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 |
square decameter | 10 dam2 | 20 dam2 | 30 dam2 | 40 dam2 | 50 dam2 | 60 dam2 | 70 dam2 | 80 dam2 | 90 dam2 | 100 dam2 | 110 dam2 | 120 dam2 | 130 dam2 | 140 dam2 | 150 dam2 | 160 dam2 | 170 dam2 | 180 dam2 | 190 dam2 | 200 dam2 | 210 dam2 | 220 dam2 | 230 dam2 | 240 dam2 | 250 dam2 | 260 dam2 | 270 dam2 | 280 dam2 | 290 dam2 | 300 dam2 | 310 dam2 | 320 dam2 | 330 dam2 | 340 dam2 | 350 dam2 | 360 dam2 | 370 dam2 | 380 dam2 | 390 dam2 | 400 dam2 | 410 dam2 | 420 dam2 | 430 dam2 | 440 dam2 | 450 dam2 | 460 dam2 | 470 dam2 | 480 dam2 | 490 dam2 | 500 dam2 | 510 dam2 | 520 dam2 | 530 dam2 | 540 dam2 | 550 dam2 | 560 dam2 | 570 dam2 | 580 dam2 | 590 dam2 | 600 dam2 | 610 dam2 | 620 dam2 | 630 dam2 | 640 dam2 | 650 dam2 | 660 dam2 | 670 dam2 | 680 dam2 | 690 dam2 | 700 dam2 | 710 dam2 | 720 dam2 | 730 dam2 | 740 dam2 | 750 dam2 | 760 dam2 | 770 dam2 | 780 dam2 | 790 dam2 | 800 dam2 | 810 dam2 | 820 dam2 | 830 dam2 | 840 dam2 | 850 dam2 | 860 dam2 | 870 dam2 | 880 dam2 | 890 dam2 | 900 dam2 | 910 dam2 | 920 dam2 | 930 dam2 | 940 dam2 | 950 dam2 | 960 dam2 | 970 dam2 | 980 dam2 | 990 dam2 | 1 000 dam2 |
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 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 |
decares | square decameters |
---|---|
1 | = 10 |
0.1 | = 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 …) |