Barn
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Switch ch² to b
Barn Unit Table
A list of units symbol and data.
From bTo ch²All conversion
1 b2.4710538146716536e-31 ch²
2 b4.942107629343307e-31 ch²
3 b7.41316144401496e-31 ch²
4 b9.884215258686614e-31 ch²
5 b1.2355269073358267e-30 ch²
6 b1.482632288802992e-30 ch²
7 b1.7297376702701574e-30 ch²
8 b1.976843051737323e-30 ch²
9 b2.223948433204488e-30 ch²
10 b2.4710538146716535e-30 ch²
Description

Understanding the Barn (b)

A barn (b) is a unit of area used in nuclear physics to quantify cross-sectional areas of atomic nuclei, equal to 1e-28 square meters. It's not used in everyday measurements but is crucial in particle physics research.

For example, the probability of a neutron interacting with a uranium nucleus might be expressed in barns. This unit aids in understanding nuclear reactions and particle interactions.

Square Chain (ch²)

The square chain is a historical unit of area measurement, primarily used in land surveying. One square chain is defined as the area of a square with sides measuring one chain (66 feet) each, equating to 4,356 square feet or approximately 404.686 square meters.

This unit was commonly employed in the United States and other countries that used the imperial system, especially for agricultural and land division purposes. Although modern surveying has largely transitioned to metric units, understanding the square chain is essential for interpreting historical land records and legal documents.

In contemporary contexts, the square chain is occasionally referenced in rural property descriptions and by professionals dealing with land assessment and historical property boundaries.

Complete list of conversion for Barn
Barn (b)

1 Barn = 1e-28 Square Meter

Convert 2 b → m²

1 Barn = 1e-34 Square Kilometer

Convert 2 b → km²

1 Barn = 9.999999999999999e-33 Square Hectometer

Convert 2 b → hm²

1 Barn = 9.999999999999999e-31 Square Dekameter

Convert 2 b → dam²

1 Barn = 9.999999999999999e-27 Square Decimeter

Convert 2 b → dm²

1 Barn = 1e-24 Square Centimeter

Convert 2 b → cm²

1 Barn = 1e-22 Square Millimeter

Convert 2 b → mm²

1 Barn = 1e-16 Square Micrometer

Convert 2 b → µm²

1 Barn = 9.999999999999999e-11 Square Nanometer

Convert 2 b → nm²

1 Barn = 9.999999999999999e-33 Hectare

Convert 2 b → ha

1 Barn = 9.999999999999999e-31 Are

Convert 2 b → a

1 Barn = 9.999999999999999e-32 Decare

Convert 2 b → daa

1 Barn = 2.471053814671653e-32 Acre

Convert 2 b → ac

1 Barn = 3.8610215854244585e-35 Square Mile

Convert 2 b → mi²

1 Barn = 1.1959900463010803e-28 Square Yard

Convert 2 b → yd²

1 Barn = 1.0763910416709721e-27 Square Foot

Convert 2 b → ft²

1 Barn = 1.5500031000062e-25 Square Inch

Convert 2 b → in²

1 Barn = 1.9735251599788835e-25 Circular Inch

Convert 2 b → circ in

1 Barn = 2.4710538146716536e-31 Square Chain

Convert 2 b → ch²

1 Barn = 3.953686103474646e-30 Square Rod

Convert 2 b → rd²

1 Barn = 3.953686103474646e-30 Square Perch

Convert 2 b → perch²

1 Barn = 3.953686103474646e-30 Square Pole

Convert 2 b → pole²

1 Barn = 7.474937789381752e-32 Bigha

Convert 2 b → bigha

1 Barn = 2.5442731353538997e-32 Cuerda

Convert 2 b → cda

1 Barn = 2.471053814671653e-32 Cawnie

Convert 2 b → cawnie

1 Barn = 9.884215313397333e-31 Guntha

Convert 2 b → guntha

1 Barn = 2.4710538146716535e-30 Cent

Convert 2 b → cent