Units of Measure / How Many Inches in a Foot

How Many Inches in a Foot

Feet1 and inches2 are widely-spread units of length used in different systems, like US customary, imperial, or English ones. In all these systems there is the same number of inches in one foot. So, if you are asked how many feet there are in a yard, you may give the following answer:

In order to covert inches to feet you have to take the necessary number of inches and divide it by twelve. And if you multiply several feet by twelve, you will find out how many inches there are in them. It is so easy that in most cases you will not even need a calculator.

The table below will help you to convert inches and feet to some other units of length. The international definitions of inches, feet and yards are used in it.

One foot
One yard
One meter
One mile
63 360

If you want to get some more interesting and useful information about inches and feet, read the following section.

International Feet and Inches

You can come across different definitions of feet and inches in various countries (the Scottish inch, the metric foot, etc). But all of them, except the international foot and the international inch, are used very rarely in our days, so there is no need to discuss them in detail.

On the 1st of July, 1959, the Commonwealth of Nations and the USA defined the international yard as 0.9144 meters. As you know, one yard consists of three feet and thirty six inches. Thus, it is no difficult to calculate that one international foot equals to 0.3048 meter, and one international inch equals to 25.4 millimeters.

Usage of Feet and Inches

Inches and feet are widely used in the USA, Canada, the United Kingdom, Australia and other countries. Even though the metric system is accepted in most of them, its units of length have not been able to fully replace inches or feet. Inches are universally used to measure the diagonals of television sets. In the USA, feet and inches are common units for measuring man’s height.
  1. The foot (plural form: feet; abbr. ft; symbol ′) is a length unit widely used in several measurement systems. This unit has several definitions but the most common variant is the international one. It equals to 0.3048 meters. One foot has twelve inches, and three feet make up one yard.
  2. The Inch (abbr. in, symbol ”) is a length unit in many measurement systems. There are 12 inches in one foot and 36 inches in one yard. The international inch, accepted in the Commonwealth of Nations and the USA, equals to about 2.54 centimeters.
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