One yard equals 36 inches.
http://wiki.answers.com/Q/3+yards+equal+to

There are twelve inches in one foot. Remember the rulers we've all used in school? Those are 12 inches long or one foot. Speaking of feet, there are 5,280 feet in one mile.
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A yard is three feet. A foot is twelve inches. There are 36 inches in a yard.
http://wiki.answers.com/Q/How+many+US+inches+are+i...

There are 36 inches in one yard. Therefore, one inch is equal to 1/36 or one thirtysixth of a yard. 1 yard = 36 inches 1 inch = (1/36) yard = 0.02777... yard (rounded,
http://wiki.answers.com/Q/How+much+yards+in+a+inch
