What is 21cmil in Square Kilometres?

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What is 21 Circular Mils (21cmil) in Square Kilometres (km²)?

What is 21cmil in km²? Convert 21 Circular Mils (21cmil) to Square Kilometres (km²) and show formula, brief history on the units and quick maths for the conversion.

Enter Circular Mils to convert to Square Kilometres


Quick Reference for Converting Circular Mils to Square Kilometres

Formula
km² = cmil / 1.9735251599789E+15
Quick Rough Maths
To get the Square Kilometres, divide the number of Circular Mils by 1973.5 trillion
Circular Mils (cmil) in 1 Square Kilometre
There are 1.9735251599789E+15 Circular Mils in 1 Square Kilometre
Square Kilometres (km²) in 1 Circular Mil
There are 0 Square Kilometres in 1 Circular Mil

Unit Information

Circular Mil
/ˈsəːkjʊləˌmɪl/
Symbol: cmil
Unit System: Units For Measuring Wire Gauges

What is the Circular Mil?

The circular mil is a unit designed specifically to measure the area of a wire with a circular cross section. It has the symbol cmil.

An inch is 1000 mils. This makes the circular mil particularly useful for measuring cross sections of wire as there is no need to use the symbol π so the process is simplified.

A circular mil is a very small unit so not advised to use for large areas!

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.


Conversion Tables for Circular Mils (cmil) to Square Kilometres (km²)