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 |
are | 0.01 a | 0.02 a | 0.03 a | 0.04 a | 0.05 a | 0.06 a | 0.07 a | 0.08 a | 0.09 a | 0.1 a | 0.11 a | 0.12 a | 0.13 a | 0.14 a | 0.15 a | 0.16 a | 0.17 a | 0.18 a | 0.19 a | 0.2 a | 0.21 a | 0.22 a | 0.23 a | 0.24 a | 0.25 a | 0.26 a | 0.27 a | 0.28 a | 0.29 a | 0.3 a | 0.31 a | 0.32 a | 0.33 a | 0.34 a | 0.35 a | 0.36 a | 0.37 a | 0.38 a | 0.39 a | 0.4 a | 0.41 a | 0.42 a | 0.43 a | 0.44 a | 0.45 a | 0.46 a | 0.47 a | 0.48 a | 0.49 a | 0.5 a | 0.51 a | 0.52 a | 0.53 a | 0.54 a | 0.55 a | 0.56 a | 0.57 a | 0.58 a | 0.59 a | 0.6 a | 0.61 a | 0.62 a | 0.63 a | 0.64 a | 0.65 a | 0.66 a | 0.67 a | 0.68 a | 0.69 a | 0.7 a | 0.71 a | 0.72 a | 0.73 a | 0.74 a | 0.75 a | 0.76 a | 0.77 a | 0.78 a | 0.79 a | 0.8 a | 0.81 a | 0.82 a | 0.83 a | 0.84 a | 0.85 a | 0.86 a | 0.87 a | 0.88 a | 0.89 a | 0.9 a | 0.91 a | 0.92 a | 0.93 a | 0.94 a | 0.95 a | 0.96 a | 0.97 a | 0.98 a | 0.99 a | 1 a |
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 | ares | centiares | ares |
---|---|---|---|
1 | = 0.01 | 6 | = 0.06 |
2 | = 0.02 | 7 | = 0.07 |
3 | = 0.03 | 8 | = 0.08 |
4 | = 0.04 | 9 | = 0.09 |
5 | = 0.05 | 10 | = 0.1 |
The are (/ˈɑːr/ or /ˈɛər/) is a unit of area, equal to 100 square metres (10 m × 10 m), used for measuring land area. It was defined by older forms of the metric system, but is now outside of the modern International System of Units (SI).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
are | a | ≡ 100 m2 | ≡ 100 m2 | Metric system SI |
ares | centiares | ares | centiares |
---|---|---|---|
1 | = 100 | 6 | = 600 |
2 | = 200 | 7 | = 700 |
3 | = 300 | 8 | = 800 |
4 | = 400 | 9 | = 900 |
5 | = 500 | 10 | = 1000 |
centiares | ares |
---|---|
1 | = 0.01 |
100 | = 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 …) |