microbarn | 1 μb | 2 μb | 3 μb | 4 μb | 5 μb | 6 μb | 7 μb | 8 μb | 9 μb | 10 μb | 11 μb | 12 μb | 13 μb | 14 μb | 15 μb | 16 μb | 17 μb | 18 μb | 19 μb | 20 μb | 21 μb | 22 μb | 23 μb | 24 μb | 25 μb | 26 μb | 27 μb | 28 μb | 29 μb | 30 μb | 31 μb | 32 μb | 33 μb | 34 μb | 35 μb | 36 μb | 37 μb | 38 μb | 39 μb | 40 μb | 41 μb | 42 μb | 43 μb | 44 μb | 45 μb | 46 μb | 47 μb | 48 μb | 49 μb | 50 μb | 51 μb | 52 μb | 53 μb | 54 μb | 55 μb | 56 μb | 57 μb | 58 μb | 59 μb | 60 μb | 61 μb | 62 μb | 63 μb | 64 μb | 65 μb | 66 μb | 67 μb | 68 μb | 69 μb | 70 μb | 71 μb | 72 μb | 73 μb | 74 μb | 75 μb | 76 μb | 77 μb | 78 μb | 79 μb | 80 μb | 81 μb | 82 μb | 83 μb | 84 μb | 85 μb | 86 μb | 87 μb | 88 μb | 89 μb | 90 μb | 91 μb | 92 μb | 93 μb | 94 μb | 95 μb | 96 μb | 97 μb | 98 μb | 99 μb | 100 μb |
square kilometer | 1.0 × 10-40 km2 | 2.0 × 10-40 km2 | 3.0 × 10-40 km2 | 4.0 × 10-40 km2 | 5.0 × 10-40 km2 | 6.0 × 10-40 km2 | 7.0 × 10-40 km2 | 8.0 × 10-40 km2 | 9.0 × 10-40 km2 | 1.0 × 10-39 km2 | 1.1 × 10-39 km2 | 1.2 × 10-39 km2 | 1.3 × 10-39 km2 | 1.4 × 10-39 km2 | 1.5 × 10-39 km2 | 1.6 × 10-39 km2 | 1.7 × 10-39 km2 | 1.8 × 10-39 km2 | 1.9 × 10-39 km2 | 2.0 × 10-39 km2 | 2.1 × 10-39 km2 | 2.2 × 10-39 km2 | 2.3 × 10-39 km2 | 2.4 × 10-39 km2 | 2.5 × 10-39 km2 | 2.6 × 10-39 km2 | 2.7 × 10-39 km2 | 2.8 × 10-39 km2 | 2.9 × 10-39 km2 | 3.0 × 10-39 km2 | 3.1 × 10-39 km2 | 3.2 × 10-39 km2 | 3.3 × 10-39 km2 | 3.4 × 10-39 km2 | 3.5 × 10-39 km2 | 3.6 × 10-39 km2 | 3.7 × 10-39 km2 | 3.8 × 10-39 km2 | 3.9 × 10-39 km2 | 4.0 × 10-39 km2 | 4.1 × 10-39 km2 | 4.2 × 10-39 km2 | 4.3 × 10-39 km2 | 4.4 × 10-39 km2 | 4.5 × 10-39 km2 | 4.6 × 10-39 km2 | 4.7 × 10-39 km2 | 4.8 × 10-39 km2 | 4.9 × 10-39 km2 | 5.0 × 10-39 km2 | 5.1 × 10-39 km2 | 5.2 × 10-39 km2 | 5.3 × 10-39 km2 | 5.4 × 10-39 km2 | 5.5 × 10-39 km2 | 5.6 × 10-39 km2 | 5.7 × 10-39 km2 | 5.8 × 10-39 km2 | 5.9 × 10-39 km2 | 6.0 × 10-39 km2 | 6.1 × 10-39 km2 | 6.2 × 10-39 km2 | 6.3 × 10-39 km2 | 6.4 × 10-39 km2 | 6.5 × 10-39 km2 | 6.6 × 10-39 km2 | 6.7 × 10-39 km2 | 6.8 × 10-39 km2 | 6.9 × 10-39 km2 | 7.0 × 10-39 km2 | 7.1 × 10-39 km2 | 7.2 × 10-39 km2 | 7.3 × 10-39 km2 | 7.4 × 10-39 km2 | 7.5 × 10-39 km2 | 7.6 × 10-39 km2 | 7.7 × 10-39 km2 | 7.8 × 10-39 km2 | 7.9 × 10-39 km2 | 8.0 × 10-39 km2 | 8.1 × 10-39 km2 | 8.2 × 10-39 km2 | 8.3 × 10-39 km2 | 8.4 × 10-39 km2 | 8.5 × 10-39 km2 | 8.6 × 10-39 km2 | 8.7 × 10-39 km2 | 8.8 × 10-39 km2 | 8.9 × 10-39 km2 | 9.0 × 10-39 km2 | 9.1 × 10-39 km2 | 9.2 × 10-39 km2 | 9.3 × 10-39 km2 | 9.4 × 10-39 km2 | 9.5 × 10-39 km2 | 9.6 × 10-39 km2 | 9.7 × 10-39 km2 | 9.8 × 10-39 km2 | 9.9 × 10-39 km2 | 1.0 × 10-38 km2 |
A microbarn (symbol: μb) is a unit of area equal to 10−34 m2.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
microbarn | μb | ≡ 10−34 m2 | ≡ 10−34 m2 | Nuclear Physics |
microbarns | square kilometers | microbarns | square kilometers |
---|---|---|---|
1 | = 1.0E-40 | 6 | = 6.0E-40 |
2 | = 2.0E-40 | 7 | = 7.0E-40 |
3 | = 3.0E-40 | 8 | = 8.0E-40 |
4 | = 4.0E-40 | 9 | = 9.0E-40 |
5 | = 5.0E-40 | 10 | = 1.0E-39 |
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 | microbarns | square kilometers | microbarns |
---|---|---|---|
1 | = 1.0E+40 | 6 | = 6.0E+40 |
2 | = 2.0E+40 | 7 | = 7.0E+40 |
3 | = 3.0E+40 | 8 | = 8.0E+40 |
4 | = 4.0E+40 | 9 | = 9.0E+40 |
5 | = 5.0E+40 | 10 | = 1.0E+41 |
microbarns | square kilometers |
---|---|
1 | = 1.0 × 10-40 |
1.0 × 1040 | = 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 …) |