Most of the rest of the world  including countries such as Russia, Italy, Germany, Portugal, France and Belgium  uses the metric system instead of the inchpound system. The metric system is based on units of 10; the inchpound system is less straightforward, with conversions such as 12 inches per foot and 16 ounces per pound. This makes conversions within the metric system relatively easy, but it can be tricky to convert from the inchpound system into the metric system until you learn the necessary formulas.
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Multiply feet by 0.0003048 to obtain the number of kilometers. For example, 25 feet is equal to 0.00762 kilometers. There are 3,281 feet in a single kilometer.

Multiply feet by 0.3048 to obtain the number of meters. For example, 25 feet is equal to 7.62 meters. There are 3.281 feet in a single meter.

Multiply feet by 3.048 to obtain the number of decimeters. For example, 25 feet is equal to 76.2 decimeters.

Multiply feet by 30.48 to obtain the number of centimeters. For example, 25 feet is equal to 762 centimeters.

Multiply feet by 304.8 to obtain the number of millimeters. For example, 25 feet is equal to 7620 millimeters.
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