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 kilometer | 0.001 km2 | 0.002 km2 | 0.003 km2 | 0.004 km2 | 0.005 km2 | 0.006 km2 | 0.007 km2 | 0.008 km2 | 0.009 km2 | 0.01 km2 | 0.011 km2 | 0.012 km2 | 0.013 km2 | 0.014 km2 | 0.015 km2 | 0.016 km2 | 0.017 km2 | 0.018 km2 | 0.019 km2 | 0.02 km2 | 0.021 km2 | 0.022 km2 | 0.023 km2 | 0.024 km2 | 0.025 km2 | 0.026 km2 | 0.027 km2 | 0.028 km2 | 0.029 km2 | 0.03 km2 | 0.031 km2 | 0.032 km2 | 0.033 km2 | 0.034 km2 | 0.035 km2 | 0.036 km2 | 0.037 km2 | 0.038 km2 | 0.039 km2 | 0.04 km2 | 0.041 km2 | 0.042 km2 | 0.043 km2 | 0.044 km2 | 0.045 km2 | 0.046 km2 | 0.047 km2 | 0.048 km2 | 0.049 km2 | 0.05 km2 | 0.051 km2 | 0.052 km2 | 0.053 km2 | 0.054 km2 | 0.055 km2 | 0.056 km2 | 0.057 km2 | 0.058 km2 | 0.059 km2 | 0.06 km2 | 0.061 km2 | 0.062 km2 | 0.063 km2 | 0.064 km2 | 0.065 km2 | 0.066 km2 | 0.067 km2 | 0.068 km2 | 0.069 km2 | 0.07 km2 | 0.071 km2 | 0.072 km2 | 0.073 km2 | 0.074 km2 | 0.075 km2 | 0.076 km2 | 0.077 km2 | 0.078 km2 | 0.079 km2 | 0.08 km2 | 0.081 km2 | 0.082 km2 | 0.083 km2 | 0.084 km2 | 0.085 km2 | 0.086 km2 | 0.087 km2 | 0.088 km2 | 0.089 km2 | 0.09 km2 | 0.091 km2 | 0.092 km2 | 0.093 km2 | 0.094 km2 | 0.095 km2 | 0.096 km2 | 0.097 km2 | 0.098 km2 | 0.099 km2 | 0.1 km2 |
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 kilometers | decares | square kilometers |
---|---|---|---|
1 | = 0.001 | 6 | = 0.006 |
2 | = 0.002 | 7 | = 0.007 |
3 | = 0.003 | 8 | = 0.008 |
4 | = 0.004 | 9 | = 0.009 |
5 | = 0.005 | 10 | = 0.01 |
Square kilometre (International spelling as used by the International Bureau of Weights and Measures) or square kilometer (American spelling), symbol km2, is a multiple of the square metre, the SI unit of area or surface area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square kilometer | km2 | ≡ 1 km × 1 km | = 106 m2 | Metric system SI |
square kilometers | decares | square kilometers | decares |
---|---|---|---|
1 | = 1000 | 6 | = 6000 |
2 | = 2000 | 7 | = 7000 |
3 | = 3000 | 8 | = 8000 |
4 | = 4000 | 9 | = 9000 |
5 | = 5000 | 10 | = 10000 |
decares | square kilometers |
---|---|
1 | = 0.001 |
1 000 | = 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 …) |