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 |
square hectometer | 0.0001 hm2 | 0.0002 hm2 | 0.0003 hm2 | 0.0004 hm2 | 0.0005 hm2 | 0.0006 hm2 | 0.0007 hm2 | 0.0008 hm2 | 0.0009 hm2 | 0.001 hm2 | 0.0011 hm2 | 0.0012 hm2 | 0.0013 hm2 | 0.0014 hm2 | 0.0015 hm2 | 0.0016 hm2 | 0.0017 hm2 | 0.0018 hm2 | 0.0019 hm2 | 0.002 hm2 | 0.0021 hm2 | 0.0022 hm2 | 0.0023 hm2 | 0.0024 hm2 | 0.0025 hm2 | 0.0026 hm2 | 0.0027 hm2 | 0.0028 hm2 | 0.0029 hm2 | 0.003 hm2 | 0.0031 hm2 | 0.0032 hm2 | 0.0033 hm2 | 0.0034 hm2 | 0.0035 hm2 | 0.0036 hm2 | 0.0037 hm2 | 0.0038 hm2 | 0.0039 hm2 | 0.004 hm2 | 0.0041 hm2 | 0.0042 hm2 | 0.0043 hm2 | 0.0044 hm2 | 0.0045 hm2 | 0.0046 hm2 | 0.0047 hm2 | 0.0048 hm2 | 0.0049 hm2 | 0.005 hm2 | 0.0051 hm2 | 0.0052 hm2 | 0.0053 hm2 | 0.0054 hm2 | 0.0055 hm2 | 0.0056 hm2 | 0.0057 hm2 | 0.0058 hm2 | 0.0059 hm2 | 0.006 hm2 | 0.0061 hm2 | 0.0062 hm2 | 0.0063 hm2 | 0.0064 hm2 | 0.0065 hm2 | 0.0066 hm2 | 0.0067 hm2 | 0.0068 hm2 | 0.0069 hm2 | 0.007 hm2 | 0.0071 hm2 | 0.0072 hm2 | 0.0073 hm2 | 0.0074 hm2 | 0.0075 hm2 | 0.0076 hm2 | 0.0077 hm2 | 0.0078 hm2 | 0.0079 hm2 | 0.008 hm2 | 0.0081 hm2 | 0.0082 hm2 | 0.0083 hm2 | 0.0084 hm2 | 0.0085 hm2 | 0.0086 hm2 | 0.0087 hm2 | 0.0088 hm2 | 0.0089 hm2 | 0.009 hm2 | 0.0091 hm2 | 0.0092 hm2 | 0.0093 hm2 | 0.0094 hm2 | 0.0095 hm2 | 0.0096 hm2 | 0.0097 hm2 | 0.0098 hm2 | 0.0099 hm2 | 0.01 hm2 |
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 | square hectometers | centiares | square hectometers |
---|---|---|---|
1 | = 0.0001 | 6 | = 0.0006 |
2 | = 0.0002 | 7 | = 0.0007 |
3 | = 0.0003 | 8 | = 0.0008 |
4 | = 0.0004 | 9 | = 0.0009 |
5 | = 0.0005 | 10 | = 0.001 |
Square hectometre (International spelling as used by the International Bureau of Weights and Measures) or Square hectometer (American spelling) or hectare, symbol hm2, is the unit of area or surface area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square hectometer | hm2 | ≡ 1 hm × 1 hm ≡ 102 m × 102 m | = 104 m2 | Metric system SI |
square hectometers | centiares | square hectometers | centiares |
---|---|---|---|
1 | = 10000 | 6 | = 60000 |
2 | = 20000 | 7 | = 70000 |
3 | = 30000 | 8 | = 80000 |
4 | = 40000 | 9 | = 90000 |
5 | = 50000 | 10 | = 100000 |
centiares | square hectometers |
---|---|
1 | = 0.0001 |
10 000 | = 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 …) |