Since 1 inch equals 2.54 centimeters and 12 inches equals 1 foot, then 1 foot is equal to 30.48 centimeters. Conversely, 1 centimeters is equal to 0.3937 inches. One foot is also equal to 0.333 yards, 0.000189 miles and 0.0003048 kilometers.
The centimeter and meter are units that are used to measure length in the metric system, and the metric system is used in most of the world. The United States, Canada and the United Kingdom are the notable exceptions, as these countries most frequently use inches and feet to measure length. The metric system was constructed and published in France in 1795.