Convert Square Inches (in²) to Square Metres (m²) | in² in m²

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# Let's convert Square Inches (in²) to Square Metres (m²)

This quick and easy calculator will convert Square Inches (in²) to Square Metres (m²) and show formula, brief history on the units and quick maths for the conversion.

## Quick Reference for Converting Square Inches to Square Metres

Formula
m² = in² / 1550
Quick Rough Maths
To get the Square Metres, divide the number of Square Inches by 1.6 thousand
Square Inches (in²) in 1 Square Metre
There are 1550 Square Inches in 1 Square Metre
Square Metres (m²) in 1 Square Inch
There are 0 Square Metres in 1 Square Inch

## Unit Information

Square Inch
/skwɛːˌɪn(t)ʃ/
Symbol: in²
Unit System: Imperial

### What is the Square Inch?

The square inch is a unit of area and is an imperial unit with the symbol in².

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

The square inch is a common unit of measurement in the UK and US.

Square Metre
/skwɛːˌˈmiːtə/
Symbol:
Unit System: SI

### What is the Square Metre?

The square metre is a unit of area and is an SI derived unit with the symbol m².

It was introduced in 1954 when the International System of Units was established and was derived directly from one of the original 6 base units - the metre (m).

It can be prefixed with any of the SI symbols that multiply it up or down such as km² (square kilometre) or µm2 (square micrometre). It is the most commonly used unit of area and is recognised all over the world.

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