What is 21cm in Feet?

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What is 21 Centimeters (21cm) in Feet (ft)?

What is 21cm in ft? Convert 21 Centimeters (21cm) to Feet (ft) and show formula, brief history on the units and quick maths for the conversion.

Enter Centimeters to convert to Feet


Quick Reference for Converting Centimeters to Feet

Formula
ft = cm / 30.48
Quick Rough Maths
To get the Feet, divide the number of Centimeters by 30.5
Centimeters (cm) in 1 Foot
There are 30.48 Centimeters in 1 Foot
Feet (ft) in 1 Centimetre
There are 0.03 Feet in 1 Centimetre

Unit Information

Centimetre
/ˈsɛntɪmiːtə/
Symbol: cm
Unit System: SI

What is the Centimetre?

The centimetre is a unit of length and is a multiple of the metre; an SI derived unit. It has the symbol cm.

A centimetre is equal to 0.01m. It is also ≈ 0.3937in.

Centimetres are used in maps to scale up conversions to real world measurements.

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.


Conversion Tables for Centimeters (cm) to Feet (ft)