# barn to dunam conversion

Conversion number between barn [b] and dunam is 1.0 × 10-31. This means, that barn is smaller unit than dunam.

### Contents [show][hide]

Switch to reverse conversion:
from dunam to barn conversion

### Enter the number in barn:

Decimal Fraction Exponential Expression
 [b]
eg.: 10.12345 or 1.123e5

Result in dunam

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 barn = (exactly) (1*10^-28) / (1000) = 1.0 × 10-31 dunam
• 1 dunam = (exactly) (1000) / (1*10^-28) = 1.0 × 10+31 barn
• ? barn × (1*10^-28  ("m²"/"barn")) / (1000  ("m²"/"dunam")) = ? dunam

### High precision conversion

If conversion between barn to square-metre and square-metre to dunam is exactly definied, high precision conversion from barn to dunam is enabled.

Decimal places: (0-800)

barn
Result in dunam:
?

### barn to dunam conversion chart

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

visual:
barndunam
00
101.0 × 10-30
202.0 × 10-30
303.0 × 10-30
404.0 × 10-30
505.0 × 10-30
606.0 × 10-30
707.0 × 10-30
808.0 × 10-30
909.0 × 10-30
1001.0 × 10-29
1101.1 × 10-29
Copy to Excel

## Multiple conversion

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

Converted numbers in dunam:
Click to select all

## Details about barn and dunam units:

Convert Barn to other unit:

### barn

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

Convert Dunam to other unit:

### dunam

Definition of dunam unit: ≡ 1000 m². The new or metric dunam has been redefined as exactly one decare 1000 m²

← Back to Area units