Convert Feet (ft) to Inches (in) | ft in in

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# Let's convert Feet (ft) to Inches (in)

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

## Quick Reference for Converting Feet to Inches

Formula
in = ft x 12
Quick Rough Maths
To get the Inches, multiply the number of Feet by 12.0
Feet (ft) in 1 Inch
There are 0.08 Feet in 1 Inch
Inches (in) in 1 Foot
There are 12 Inches in 1 Foot

## Unit Information

Foot
/fʊt/
Symbol: ft
Unit System: Imperial

### What is the Foot?

The foot is a unit of length in the imperial unit system and uses the symbol ft.

One foot is exactly equal to 12 inches. It is also exactly equal to 0.3048m. One yard is comprised of three feet.

The foot is just behind the metre in terms of widespread use due to its previous popularity. The US is the only developed country that still uses the foot in preference to the metre.

The UK still uses feet to express human height more than metres.

Inch
/ɪn(t)ʃ/
Symbol: in
Unit System: Imperial

### What is the Inch?

The inch is a unit of length in the imperial unit system with the symbol in.

There are 12 inches in a foot and 3 feet in a yard. Therefore there are 36 inches in a yard. There are exactly 2.54 centimetres in an inch.

Borrowed from the Latin 'uncia' - the English word 'inch', the origination of the word came from the Old English word for 'ounce' which was related to the Roman phrase for "one twelfth".

The inch is still a commonly used unit in the UK, USA and Canada - and is also still used in the production of electronic equipment, still very evident in the measuring of monitor and screen sizing.