barn to square millimetre conversion

Conversion number between barn [b] and square millimetre [mm²] is 1.0 × 10-22. This means, that barn is smaller unit than square millimetre.

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Switch to reverse conversion:
from square millimetre to barn conversion

Enter the number in barn:

Decimal Fraction Exponential Expression
eg.: 10.12345 or 1.123e5

Result in square millimetre

precision [info]

Calculation process of conversion value

High precision conversion

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)

Result in square millimetre:

barn to square millimetre conversion chart

Start value: [barn]
Step size [barn]
How many lines? (max 100)

barnsquare millimetre
101.0 × 10-21
202.0 × 10-21
303.0 × 10-21
404.0 × 10-21
505.0 × 10-21
606.0 × 10-21
707.0 × 10-21
808.0 × 10-21
909.0 × 10-21
1001.0 × 10-20
1101.1 × 10-20
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Multiple conversion

Enter numbers in barn and click convert button.
One number per line.

Converted numbers in square millimetre:
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Details about barn and square millimetre units:

Convert Barn to other unit:


Definition of barn unit: ≡ 10−28 m². Originally used in nuclear physics for expressing the cross sectional area of nuclei and nuclear reactions.

Convert Square millimetre to other unit:

square millimetre

Definition of square millimetre unit: = 1 mm x 1 mm.

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