square picometer | 1 pm2 | 2 pm2 | 3 pm2 | 4 pm2 | 5 pm2 | 6 pm2 | 7 pm2 | 8 pm2 | 9 pm2 | 10 pm2 | 11 pm2 | 12 pm2 | 13 pm2 | 14 pm2 | 15 pm2 | 16 pm2 | 17 pm2 | 18 pm2 | 19 pm2 | 20 pm2 | 21 pm2 | 22 pm2 | 23 pm2 | 24 pm2 | 25 pm2 | 26 pm2 | 27 pm2 | 28 pm2 | 29 pm2 | 30 pm2 | 31 pm2 | 32 pm2 | 33 pm2 | 34 pm2 | 35 pm2 | 36 pm2 | 37 pm2 | 38 pm2 | 39 pm2 | 40 pm2 | 41 pm2 | 42 pm2 | 43 pm2 | 44 pm2 | 45 pm2 | 46 pm2 | 47 pm2 | 48 pm2 | 49 pm2 | 50 pm2 | 51 pm2 | 52 pm2 | 53 pm2 | 54 pm2 | 55 pm2 | 56 pm2 | 57 pm2 | 58 pm2 | 59 pm2 | 60 pm2 | 61 pm2 | 62 pm2 | 63 pm2 | 64 pm2 | 65 pm2 | 66 pm2 | 67 pm2 | 68 pm2 | 69 pm2 | 70 pm2 | 71 pm2 | 72 pm2 | 73 pm2 | 74 pm2 | 75 pm2 | 76 pm2 | 77 pm2 | 78 pm2 | 79 pm2 | 80 pm2 | 81 pm2 | 82 pm2 | 83 pm2 | 84 pm2 | 85 pm2 | 86 pm2 | 87 pm2 | 88 pm2 | 89 pm2 | 90 pm2 | 91 pm2 | 92 pm2 | 93 pm2 | 94 pm2 | 95 pm2 | 96 pm2 | 97 pm2 | 98 pm2 | 99 pm2 | 100 pm2 |
barn | 10 000 b | 20 000 b | 30 000 b | 40 000 b | 50 000 b | 60 000 b | 70 000 b | 80 000 b | 90 000 b | 100 000 b | 110 000 b | 120 000 b | 130 000 b | 140 000 b | 150 000 b | 160 000 b | 170 000 b | 180 000 b | 190 000 b | 200 000 b | 210 000 b | 220 000 b | 230 000 b | 240 000 b | 250 000 b | 260 000 b | 270 000 b | 280 000 b | 290 000 b | 300 000 b | 310 000 b | 320 000 b | 330 000 b | 340 000 b | 350 000 b | 360 000 b | 370 000 b | 380 000 b | 390 000 b | 400 000 b | 410 000 b | 420 000 b | 430 000 b | 440 000 b | 450 000 b | 460 000 b | 470 000 b | 480 000 b | 490 000 b | 500 000 b | 510 000 b | 520 000 b | 530 000 b | 540 000 b | 550 000 b | 560 000 b | 570 000 b | 580 000 b | 590 000 b | 600 000 b | 610 000 b | 620 000 b | 630 000 b | 640 000 b | 650 000 b | 660 000 b | 670 000 b | 680 000 b | 690 000 b | 700 000 b | 710 000 b | 720 000 b | 730 000 b | 740 000 b | 750 000 b | 760 000 b | 770 000 b | 780 000 b | 790 000 b | 800 000 b | 810 000 b | 820 000 b | 830 000 b | 840 000 b | 850 000 b | 860 000 b | 870 000 b | 880 000 b | 890 000 b | 900 000 b | 910 000 b | 920 000 b | 930 000 b | 940 000 b | 950 000 b | 960 000 b | 970 000 b | 980 000 b | 990 000 b | 1 000 000 b |
Square picometre or Square picometer is a SI prefixes applied unit of area, symbol pm2, is a multiple of the of SI prefixes (pico) used with the metre.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square picometer | pm2 | ≡ 1 pm × 1 pm ≡ 10-12 m × 10-12 m | = 10-24 m2 | Metric system SI |
square picometers | barns | square picometers | barns |
---|---|---|---|
1 | = 10000 | 6 | = 60000 |
2 | = 20000 | 7 | = 70000 |
3 | = 30000 | 8 | = 80000 |
4 | = 40000 | 9 | = 90000 |
5 | = 50000 | 10 | = 100000 |
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 picometers | barns | square picometers |
---|---|---|---|
1 | = 0.0001 | 6 | = 0.0006 |
2 | = 0.0002 | 7 | = 0.0007 |
3 | = 0.0003 | 8 | = 0.0008 |
4 | = 0.0004 | 9 | = 0.0009 |
5 | = 0.0005 | 10 | = 0.001 |
square picometers | barns |
---|---|
1 | = 10 000 |
0.0001 | = 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 …) |