square zettameter | 1 Zm2 | 2 Zm2 | 3 Zm2 | 4 Zm2 | 5 Zm2 | 6 Zm2 | 7 Zm2 | 8 Zm2 | 9 Zm2 | 10 Zm2 | 11 Zm2 | 12 Zm2 | 13 Zm2 | 14 Zm2 | 15 Zm2 | 16 Zm2 | 17 Zm2 | 18 Zm2 | 19 Zm2 | 20 Zm2 | 21 Zm2 | 22 Zm2 | 23 Zm2 | 24 Zm2 | 25 Zm2 | 26 Zm2 | 27 Zm2 | 28 Zm2 | 29 Zm2 | 30 Zm2 | 31 Zm2 | 32 Zm2 | 33 Zm2 | 34 Zm2 | 35 Zm2 | 36 Zm2 | 37 Zm2 | 38 Zm2 | 39 Zm2 | 40 Zm2 | 41 Zm2 | 42 Zm2 | 43 Zm2 | 44 Zm2 | 45 Zm2 | 46 Zm2 | 47 Zm2 | 48 Zm2 | 49 Zm2 | 50 Zm2 | 51 Zm2 | 52 Zm2 | 53 Zm2 | 54 Zm2 | 55 Zm2 | 56 Zm2 | 57 Zm2 | 58 Zm2 | 59 Zm2 | 60 Zm2 | 61 Zm2 | 62 Zm2 | 63 Zm2 | 64 Zm2 | 65 Zm2 | 66 Zm2 | 67 Zm2 | 68 Zm2 | 69 Zm2 | 70 Zm2 | 71 Zm2 | 72 Zm2 | 73 Zm2 | 74 Zm2 | 75 Zm2 | 76 Zm2 | 77 Zm2 | 78 Zm2 | 79 Zm2 | 80 Zm2 | 81 Zm2 | 82 Zm2 | 83 Zm2 | 84 Zm2 | 85 Zm2 | 86 Zm2 | 87 Zm2 | 88 Zm2 | 89 Zm2 | 90 Zm2 | 91 Zm2 | 92 Zm2 | 93 Zm2 | 94 Zm2 | 95 Zm2 | 96 Zm2 | 97 Zm2 | 98 Zm2 | 99 Zm2 | 100 Zm2 |
barn | 1.0 × 1070 b | 2.0 × 1070 b | 3.0 × 1070 b | 4.0 × 1070 b | 5.0 × 1070 b | 6.0 × 1070 b | 7.0 × 1070 b | 8.0 × 1070 b | 9.0 × 1070 b | 1.0 × 1071 b | 1.1 × 1071 b | 1.2 × 1071 b | 1.3 × 1071 b | 1.4 × 1071 b | 1.5 × 1071 b | 1.6 × 1071 b | 1.7 × 1071 b | 1.8 × 1071 b | 1.9 × 1071 b | 2.0 × 1071 b | 2.1 × 1071 b | 2.2 × 1071 b | 2.3 × 1071 b | 2.4 × 1071 b | 2.5 × 1071 b | 2.6 × 1071 b | 2.7 × 1071 b | 2.8 × 1071 b | 2.9 × 1071 b | 3.0 × 1071 b | 3.1 × 1071 b | 3.2 × 1071 b | 3.3 × 1071 b | 3.4 × 1071 b | 3.5 × 1071 b | 3.6 × 1071 b | 3.7 × 1071 b | 3.8 × 1071 b | 3.9 × 1071 b | 4.0 × 1071 b | 4.1 × 1071 b | 4.2 × 1071 b | 4.3 × 1071 b | 4.4 × 1071 b | 4.5 × 1071 b | 4.6 × 1071 b | 4.7 × 1071 b | 4.8 × 1071 b | 4.9 × 1071 b | 5.0 × 1071 b | 5.1 × 1071 b | 5.2 × 1071 b | 5.3 × 1071 b | 5.4 × 1071 b | 5.5 × 1071 b | 5.6 × 1071 b | 5.7 × 1071 b | 5.8 × 1071 b | 5.9 × 1071 b | 6.0 × 1071 b | 6.1 × 1071 b | 6.2 × 1071 b | 6.3 × 1071 b | 6.4 × 1071 b | 6.5 × 1071 b | 6.6 × 1071 b | 6.7 × 1071 b | 6.8 × 1071 b | 6.9 × 1071 b | 7.0 × 1071 b | 7.1 × 1071 b | 7.2 × 1071 b | 7.3 × 1071 b | 7.4 × 1071 b | 7.5 × 1071 b | 7.6 × 1071 b | 7.7 × 1071 b | 7.8 × 1071 b | 7.9 × 1071 b | 8.0 × 1071 b | 8.1 × 1071 b | 8.2 × 1071 b | 8.3 × 1071 b | 8.4 × 1071 b | 8.5 × 1071 b | 8.6 × 1071 b | 8.7 × 1071 b | 8.8 × 1071 b | 8.9 × 1071 b | 9.0 × 1071 b | 9.1 × 1071 b | 9.2 × 1071 b | 9.3 × 1071 b | 9.4 × 1071 b | 9.5 × 1071 b | 9.6 × 1071 b | 9.7 × 1071 b | 9.8 × 1071 b | 9.9 × 1071 b | 1.0 × 1072 b |
Square zettametre or Square zettameter is a SI prefixes applied unit of area, symbol Zm2, is a multiple of the of SI prefixes (zetta) used with the metre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square zettameter | Zm2 | ≡ 1 Zm × 1 Zm ≡ 1021 m × 1021 m | = 1042 m2 | Metric system SI |
square zettameters | barns | square zettameters | barns |
---|---|---|---|
1 | = 1.0E+70 | 6 | = 6.0E+70 |
2 | = 2.0E+70 | 7 | = 7.0E+70 |
3 | = 3.0E+70 | 8 | = 8.0E+70 |
4 | = 4.0E+70 | 9 | = 9.0E+70 |
5 | = 5.0E+70 | 10 | = 1.0E+71 |
A barn (symbol: b) is a unit of area equal to 10−28 m2 (100 fm2). Originally used in nuclear physics for expressing the cross sectional area of nuclei and nuclear reactions, today it is also used in all fields of high-energy physics to express the cross sections of any scattering process, and is best understood as a measure of the probability of interaction between small particles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
barn | b | ≡ 10−28 m2 | ≡ 10−28 m2 | Nuclear Physics |
barns | square zettameters | barns | square zettameters |
---|---|---|---|
1 | = 1.0E-70 | 6 | = 6.0E-70 |
2 | = 2.0E-70 | 7 | = 7.0E-70 |
3 | = 3.0E-70 | 8 | = 8.0E-70 |
4 | = 4.0E-70 | 9 | = 9.0E-70 |
5 | = 5.0E-70 | 10 | = 1.0E-69 |
square zettameters | barns |
---|---|
1 | = 1.0 × 1070 |
1.0 × 10-70 | = 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 …) |