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 nanometer | 1.0 × 1021 nm2 | 2.0 × 1021 nm2 | 3.0 × 1021 nm2 | 4.0 × 1021 nm2 | 5.0 × 1021 nm2 | 6.0 × 1021 nm2 | 7.0 × 1021 nm2 | 8.0 × 1021 nm2 | 9.0 × 1021 nm2 | 1.0 × 1022 nm2 | 1.1 × 1022 nm2 | 1.2 × 1022 nm2 | 1.3 × 1022 nm2 | 1.4 × 1022 nm2 | 1.5 × 1022 nm2 | 1.6 × 1022 nm2 | 1.7 × 1022 nm2 | 1.8 × 1022 nm2 | 1.9 × 1022 nm2 | 2.0 × 1022 nm2 | 2.1 × 1022 nm2 | 2.2 × 1022 nm2 | 2.3 × 1022 nm2 | 2.4 × 1022 nm2 | 2.5 × 1022 nm2 | 2.6 × 1022 nm2 | 2.7 × 1022 nm2 | 2.8 × 1022 nm2 | 2.9 × 1022 nm2 | 3.0 × 1022 nm2 | 3.1 × 1022 nm2 | 3.2 × 1022 nm2 | 3.3 × 1022 nm2 | 3.4 × 1022 nm2 | 3.5 × 1022 nm2 | 3.6 × 1022 nm2 | 3.7 × 1022 nm2 | 3.8 × 1022 nm2 | 3.9 × 1022 nm2 | 4.0 × 1022 nm2 | 4.1 × 1022 nm2 | 4.2 × 1022 nm2 | 4.3 × 1022 nm2 | 4.4 × 1022 nm2 | 4.5 × 1022 nm2 | 4.6 × 1022 nm2 | 4.7 × 1022 nm2 | 4.8 × 1022 nm2 | 4.9 × 1022 nm2 | 5.0 × 1022 nm2 | 5.1 × 1022 nm2 | 5.2 × 1022 nm2 | 5.3 × 1022 nm2 | 5.4 × 1022 nm2 | 5.5 × 1022 nm2 | 5.6 × 1022 nm2 | 5.7 × 1022 nm2 | 5.8 × 1022 nm2 | 5.9 × 1022 nm2 | 6.0 × 1022 nm2 | 6.1 × 1022 nm2 | 6.2 × 1022 nm2 | 6.3 × 1022 nm2 | 6.4 × 1022 nm2 | 6.5 × 1022 nm2 | 6.6 × 1022 nm2 | 6.7 × 1022 nm2 | 6.8 × 1022 nm2 | 6.9 × 1022 nm2 | 7.0 × 1022 nm2 | 7.1 × 1022 nm2 | 7.2 × 1022 nm2 | 7.3 × 1022 nm2 | 7.4 × 1022 nm2 | 7.5 × 1022 nm2 | 7.6 × 1022 nm2 | 7.7 × 1022 nm2 | 7.8 × 1022 nm2 | 7.9 × 1022 nm2 | 8.0 × 1022 nm2 | 8.1 × 1022 nm2 | 8.2 × 1022 nm2 | 8.3 × 1022 nm2 | 8.4 × 1022 nm2 | 8.5 × 1022 nm2 | 8.6 × 1022 nm2 | 8.7 × 1022 nm2 | 8.8 × 1022 nm2 | 8.9 × 1022 nm2 | 9.0 × 1022 nm2 | 9.1 × 1022 nm2 | 9.2 × 1022 nm2 | 9.3 × 1022 nm2 | 9.4 × 1022 nm2 | 9.5 × 1022 nm2 | 9.6 × 1022 nm2 | 9.7 × 1022 nm2 | 9.8 × 1022 nm2 | 9.9 × 1022 nm2 | 1.0 × 1023 nm2 |
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 nanometers | decares | square nanometers |
---|---|---|---|
1 | = 1.0E+21 | 6 | = 6.0E+21 |
2 | = 2.0E+21 | 7 | = 7.0E+21 |
3 | = 3.0E+21 | 8 | = 8.0E+21 |
4 | = 4.0E+21 | 9 | = 9.0E+21 |
5 | = 5.0E+21 | 10 | = 1.0E+22 |
Square nanometre or Square nanometer is a SI prefixes applied unit of area, symbol nm2, is a multiple of the of SI prefixes (nano) used with the metre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square nanometer | nm2 | ≡ 1 nm × 1 nm ≡ 10-9 m × 10-9 m | = 10-18 m2 | Metric system SI |
square nanometers | decares | square nanometers | decares |
---|---|---|---|
1 | = 1.0E-21 | 6 | = 6.0E-21 |
2 | = 2.0E-21 | 7 | = 7.0E-21 |
3 | = 3.0E-21 | 8 | = 8.0E-21 |
4 | = 4.0E-21 | 9 | = 9.0E-21 |
5 | = 5.0E-21 | 10 | = 1.0E-20 |
decares | square nanometers |
---|---|
1 | = 1.0 × 1021 |
1.0 × 10-21 | = 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 …) |