Convert Square Inches (in²) to Square Feet (ft²) | in² in ft²

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Let's convert Square Inches (in²) to Square Feet (ft²)

This quick and easy calculator will convert Square Inches (in²) to Square Feet (ft²) and show formula, brief history on the units and quick maths for the conversion.

Enter Square Inches to convert to Square Feet


Quick Reference for Converting Square Inches to Square Feet

Formula
ft² = in² / 144
Quick Rough Maths
To get the Square Feet, divide the number of Square Inches by 144.0
Square Inches (in²) in 1 Square Foot
There are 144 Square Inches in 1 Square Foot
Square Feet (ft²) in 1 Square Inch
There are 0.01 Square Feet 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 Foot
/skwɛːˌfʊt/
Symbol: ft²
Unit System: Imperial

What is the Square Foot?

The square foot is a unit of area and is an imperial unit with the symbol ft².

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

It is used a lot in expressing the internal size of a house, apartment, office or other properties so is a useful unit to understand.


Conversion Tables for Square Inches (in²) to Square Feet (ft²)