Conversion number between barn [b] and square millimetre [mm²] is 1.0 × 10-22. This means, that barn is smaller unit than square millimetre.
Switch to reverse conversion:
from square millimetre to barn conversion
| [b] |
Result in square millimetre
?If conversion between barn to square-metre and square-metre to square millimetre is exactly definied, high precision conversion from barn to square millimetre is enabled.
Decimal places: (0-800)
barn| Start value: | [barn] |
| Step size | [barn] |
| How many lines? | (max 100) |
| barn | square millimetre |
|---|---|
| 0 | 0 |
| 10 | 1.0 × 10-21 |
| 20 | 2.0 × 10-21 |
| 30 | 3.0 × 10-21 |
| 40 | 4.0 × 10-21 |
| 50 | 5.0 × 10-21 |
| 60 | 6.0 × 10-21 |
| 70 | 7.0 × 10-21 |
| 80 | 8.0 × 10-21 |
| 90 | 9.0 × 10-21 |
| 100 | 1.0 × 10-20 |
| 110 | 1.1 × 10-20 |
Definition of barn unit: ≡ 10−28 m². Originally used in nuclear physics for expressing the cross sectional area of nuclei and nuclear reactions.
Definition of square millimetre unit: = 1 mm x 1 mm.
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