What is 20ft² in Square Inches?

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What is 20 Square Feet (20ft²) in Square Inches (in²)?

What is 20ft² in in²? Convert 20 Square Feet (20ft²) to Square Inches (in²) and show formula, brief history on the units and quick maths for the conversion.

Enter Square Feet to convert to Square Inches


Quick Reference for Converting Square Feet to Square Inches

Formula
in² = ft² x 144
Quick Rough Maths
To get the Square Inches, multiply the number of Square Feet by 144.0
Square Feet (ft²) in 1 Square Inch
There are 0.01 Square Feet in 1 Square Inch
Square Inches (in²) in 1 Square Foot
There are 144 Square Inches in 1 Square Foot

Unit Information

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.

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.


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