What is 420000cmil in Square Miles?

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What is 420000 Circular Mils (420000cmil) in Square Miles (mi²)?

What is 420000cmil in mi²? Convert 420000 Circular Mils (420000cmil) to Square Miles (mi²) and show formula, brief history on the units and quick maths for the conversion.

Enter Circular Mils to convert to Square Miles


Quick Reference for Converting Circular Mils to Square Miles

Formula
mi² = cmil / 5.1114064820434E+15
Quick Rough Maths
To get the Square Miles, divide the number of Circular Mils by 5111.4 trillion
Circular Mils (cmil) in 1 Square Mile
There are 5.1114064820434E+15 Circular Mils in 1 Square Mile
Square Miles (mi²) in 1 Circular Mil
There are 0 Square Miles 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 Mile
/skwɛːˌmʌɪl/
Symbol: mi²
Unit System: Imperial

What is the Square Mile?

The square mile is a unit of area and is an imperial unit with the symbol mi².

One square mile is equal in area to a square with edges one mile in length.

The Romans established the square mile; computed through a system of feet, paces and marches. The square mile's existence still remains in some places; for example "The Square Mile" is a term often used to describe the very centre of London in the UK (which just so happens to measure 1mi²).


Conversion Tables for Circular Mils (cmil) to Square Miles (mi²)