You may be asked to convert an amount of yards to feet in a math problem, or you may have to perform such a calculation if you are doing some landscaping or want to know how far a football has been thrown. In order to convert yards into feet, you will have to know the conversion formula and complete a simple math problem. Knowing the formula will allow you to convert any amount of yards into feet.

Learn the formula for converting yards into feet: 1 yard is equal to 3 feet.

Write out the necessary math problem or use a calculator. If you want to convert 21 yards, for example, the problem would be 21 multiplied by 3 (21 x 3).

Finish the conversion. The number 21 multiplied by 3 equals 63. Therefore, 21 yards equals 63 feet.