Convert Square Kilometres (km²) to Barns (b) | km² in b

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Let's convert Square Kilometres (km²) to Barns (b)

This quick and easy calculator will convert Square Kilometres (km²) to Barns (b) and show formula, brief history on the units and quick maths for the conversion.

Enter Square Kilometres to convert to Barns


Quick Reference for Converting Square Kilometres to Barns

Formula
b = km² x 1.0E+34
Quick Rough Maths
To get the Barns, multiply the number of Square Kilometres by 1.0E+22 trillion
Square Kilometres (km²) in 1 barn
There are 0 Square Kilometres in 1 barn
Barns (b) in 1 Square Kilometre
There are 1.0E+34 Barns in 1 Square Kilometre

Unit Information

Square Kilometre
/skwɛːˌˈkɪləˌmiːtə,kɪˈlɒmɪtə/
Symbol: km²
Unit System: SI

What is the Square Kilometre?

The square kilometre is a unit of area and is a multiple of the square metre; an SI derived unit. It has the symbol km².

A square kilometre is equal to the area of a square with edges 1km long. There are 1,000,000 square metres in a square kilometre.

Square kilometres are often used to describe expansive areas of land due to the large unit size.

barn
/bɑːn/
Symbol: b
Unit System: Particle Physics

What is the barn?

The barn is a unit of area and is used in particle physics with the symbol b.

It represents approximately the area of the cross-section of a uraneum nucleus, so is very small compared to most other recognised units of area.

It is also used to measure the interaction of a nucleus with an electric field gradient in nuclear quadrupole and magnetic resonance.


Conversion Tables for Square Kilometres (km²) to Barns (b)