hectare | 1 ha | 2 ha | 3 ha | 4 ha | 5 ha | 6 ha | 7 ha | 8 ha | 9 ha | 10 ha | 11 ha | 12 ha | 13 ha | 14 ha | 15 ha | 16 ha | 17 ha | 18 ha | 19 ha | 20 ha | 21 ha | 22 ha | 23 ha | 24 ha | 25 ha | 26 ha | 27 ha | 28 ha | 29 ha | 30 ha | 31 ha | 32 ha | 33 ha | 34 ha | 35 ha | 36 ha | 37 ha | 38 ha | 39 ha | 40 ha | 41 ha | 42 ha | 43 ha | 44 ha | 45 ha | 46 ha | 47 ha | 48 ha | 49 ha | 50 ha | 51 ha | 52 ha | 53 ha | 54 ha | 55 ha | 56 ha | 57 ha | 58 ha | 59 ha | 60 ha | 61 ha | 62 ha | 63 ha | 64 ha | 65 ha | 66 ha | 67 ha | 68 ha | 69 ha | 70 ha | 71 ha | 72 ha | 73 ha | 74 ha | 75 ha | 76 ha | 77 ha | 78 ha | 79 ha | 80 ha | 81 ha | 82 ha | 83 ha | 84 ha | 85 ha | 86 ha | 87 ha | 88 ha | 89 ha | 90 ha | 91 ha | 92 ha | 93 ha | 94 ha | 95 ha | 96 ha | 97 ha | 98 ha | 99 ha | 100 ha |
square yoctometer | 1.0 × 1052 ym2 | 2.0 × 1052 ym2 | 3.0 × 1052 ym2 | 4.0 × 1052 ym2 | 5.0 × 1052 ym2 | 6.0 × 1052 ym2 | 7.0 × 1052 ym2 | 8.0 × 1052 ym2 | 9.0 × 1052 ym2 | 1.0 × 1053 ym2 | 1.1 × 1053 ym2 | 1.2 × 1053 ym2 | 1.3 × 1053 ym2 | 1.4 × 1053 ym2 | 1.5 × 1053 ym2 | 1.6 × 1053 ym2 | 1.7 × 1053 ym2 | 1.8 × 1053 ym2 | 1.9 × 1053 ym2 | 2.0 × 1053 ym2 | 2.1 × 1053 ym2 | 2.2 × 1053 ym2 | 2.3 × 1053 ym2 | 2.4 × 1053 ym2 | 2.5 × 1053 ym2 | 2.6 × 1053 ym2 | 2.7 × 1053 ym2 | 2.8 × 1053 ym2 | 2.9 × 1053 ym2 | 3.0 × 1053 ym2 | 3.1 × 1053 ym2 | 3.2 × 1053 ym2 | 3.3 × 1053 ym2 | 3.4 × 1053 ym2 | 3.5 × 1053 ym2 | 3.6 × 1053 ym2 | 3.7 × 1053 ym2 | 3.8 × 1053 ym2 | 3.9 × 1053 ym2 | 4.0 × 1053 ym2 | 4.1 × 1053 ym2 | 4.2 × 1053 ym2 | 4.3 × 1053 ym2 | 4.4 × 1053 ym2 | 4.5 × 1053 ym2 | 4.6 × 1053 ym2 | 4.7 × 1053 ym2 | 4.8 × 1053 ym2 | 4.9 × 1053 ym2 | 5.0 × 1053 ym2 | 5.1 × 1053 ym2 | 5.2 × 1053 ym2 | 5.3 × 1053 ym2 | 5.4 × 1053 ym2 | 5.5 × 1053 ym2 | 5.6 × 1053 ym2 | 5.7 × 1053 ym2 | 5.8 × 1053 ym2 | 5.9 × 1053 ym2 | 6.0 × 1053 ym2 | 6.1 × 1053 ym2 | 6.2 × 1053 ym2 | 6.3 × 1053 ym2 | 6.4 × 1053 ym2 | 6.5 × 1053 ym2 | 6.6 × 1053 ym2 | 6.7 × 1053 ym2 | 6.8 × 1053 ym2 | 6.9 × 1053 ym2 | 7.0 × 1053 ym2 | 7.1 × 1053 ym2 | 7.2 × 1053 ym2 | 7.3 × 1053 ym2 | 7.4 × 1053 ym2 | 7.5 × 1053 ym2 | 7.6 × 1053 ym2 | 7.7 × 1053 ym2 | 7.8 × 1053 ym2 | 7.9 × 1053 ym2 | 8.0 × 1053 ym2 | 8.1 × 1053 ym2 | 8.2 × 1053 ym2 | 8.3 × 1053 ym2 | 8.4 × 1053 ym2 | 8.5 × 1053 ym2 | 8.6 × 1053 ym2 | 8.7 × 1053 ym2 | 8.8 × 1053 ym2 | 8.9 × 1053 ym2 | 9.0 × 1053 ym2 | 9.1 × 1053 ym2 | 9.2 × 1053 ym2 | 9.3 × 1053 ym2 | 9.4 × 1053 ym2 | 9.5 × 1053 ym2 | 9.6 × 1053 ym2 | 9.7 × 1053 ym2 | 9.8 × 1053 ym2 | 9.9 × 1053 ym2 | 1.0 × 1054 ym2 |
The hectare (/ˈhɛktɛər/ or /ˈhɛktɑːr/), although not a unit of SI, is the only named unit of area that is accepted for use within the SI. In practice the hectare is fully derived from the SI, being equivalent to a square hectometre. It is widely used throughout the world for the measurement of large areas of land, and it is the legal unit of measure in domains concerned with land ownership, planning, and management, including law (land deeds), agriculture, forestry, and town planning throughout the European Union. The United Kingdom, United States, Burma, and to some extent Canada instead use the acre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
hectare | ha | ≡ 10000 m2 | ≡ 10000 m2 | Metric system SI |
hectares | square yoctometers | hectares | square yoctometers |
---|---|---|---|
1 | = 1.0E+52 | 6 | = 6.0E+52 |
2 | = 2.0E+52 | 7 | = 7.0E+52 |
3 | = 3.0E+52 | 8 | = 8.0E+52 |
4 | = 4.0E+52 | 9 | = 9.0E+52 |
5 | = 5.0E+52 | 10 | = 1.0E+53 |
Square yoctometre or Square yoctometer is a SI prefixes applied unit of area, symbol ym2, is a multiple of the of SI prefixes (yocto) used with the metre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square yoctometer | ym2 | ≡ 1 ym × 1 ym ≡ 10-24 m × 10-24 m | = 10-48 m2 | Metric system SI |
square yoctometers | hectares | square yoctometers | hectares |
---|---|---|---|
1 | = 1.0E-52 | 6 | = 6.0E-52 |
2 | = 2.0E-52 | 7 | = 7.0E-52 |
3 | = 3.0E-52 | 8 | = 8.0E-52 |
4 | = 4.0E-52 | 9 | = 9.0E-52 |
5 | = 5.0E-52 | 10 | = 1.0E-51 |
hectares | square yoctometers |
---|---|
1 | = 1.0 × 1052 |
1.0 × 10-52 | = 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 …) |