# Barn To Square Millimeter Converter

(b to mm^2 converter)

## Convert Barn to Square Millimeter

 From: barn To: square millimeter

## Effortlessly Convert Barn to Square Millimeter

(Last Updated On: 2024-04-10)

Curious about converting barns to square millimeters? Our intuitive Barn to Square Millimeter Converter, developed by Newtum, makes this niche conversion simple and accurate. Dive in to discover more!

### What are Barn and Square Millimeter

Definition of Barn

A barn is a unit of area used in physics to quantify the cross-sectional area of very small atomic and subatomic particles. It is not part of the International System of Units (SI) but is accepted for use with SI. One barn is equivalent to 10^-28 square meters. The term 'barn' is whimsically derived from the phrase 'as big as a barn,' indicating a large area when discussing target size in nuclear reactions.

Definition of Square Millimeter

A square millimeter is a metric unit of area equal to the area of a square with sides that are one millimeter in length. It is a commonly used unit in various fields, particularly in engineering and construction, to measure small areas. One square millimeter can also be described as one thousandth of a square centimeter since there are 10 millimeters in a centimeter, making the conversion straightforward.

### Barn to Square Millimeter Conversion Table

Barn (b) Square Millimeter (mm^2)
1 b 1e-28 mm^2
10 b 1e-27 mm^2
100 b 1e-26 mm^2
1,000 b 1e-25 mm^2
10,000 b 1e-24 mm^2
100,000 b 1e-23 mm^2
1,000,000 b 1e-22 mm^2
10,000,000 b 1e-21 mm^2
100,000,000 b 1e-20 mm^2
1,000,000,000 b 1e-19 mm^2

#### Conversion of Barn to Square Millimeter

1 b = 1e-28 mm^2

Example 1:
Convert 2 b to mm^2:
2 b = 2 x 1e-28 mm^2 = 2e-28 mm^2

Example 2:
Convert 5 b to mm^2:
5 b = 5 x 1e-28 mm^2 = 5e-28 mm^2

### History of Barn and Square Millimeter

The Barn to Square Millimeter Converter originated from the field of nuclear physics, where scientists needed a way to express cross-sectional areas of atomic nuclei. The term 'barn' was coined during World War II, symbolizing a large target area for particle collisions. This historical converter now aids in various scientific calculations, translating barns into square millimeters, a more familiar unit of area in broader contexts.

### How to use Barn to Square Millimeter Converter

• Enter the value in barns (b) into the conversion tool.
• Click the 'Convert' button to initiate the calculation.
• The converted value in square millimeters (mm^2) will be displayed.
• Use the reset button to perform a new conversion.

### Real Life Applications of Barn to Square Millimeter

Discover the practicality of translating theoretical physics into tangible measurements with the Barn to Square Millimeter Converter.

• Calculating the effective cross-sectional area of atomic nuclei in materials science.
• Quantifying neutron capture probabilities in nuclear engineering and reactor design.

### Solved Examples b to mm^2

Example Conversion 1:
Converting 3 barns to square millimeters:
3 b = 3 x 1e-28 mm^2 = 3e-28 mm^2

Example Conversion 2:
Converting 7 barns to square millimeters:
7 b = 7 x 1e-28 mm^2 = 7e-28 mm^2

## FAQs - Barn to Square Millimeter Converter

1. What is a barn in scientific measurements?
A barn is a unit of area used to express the cross-sectional area of particles in nuclear physics.

2. How does the Barn to Square Millimeter Converter work?
Enter the barn value, and the converter will output the equivalent area in square millimeters.

3. Is the converter accurate for scientific use?
Yes, the converter uses precise calculations suitable for scientific and educational purposes.