Football pitch
The pitch is rectangular in shape. The longer sides are called touchlines. The other opposing sides are called the goal lines. The two goal lines must be between wide, and be the same length. The two touchlines be between long, and be the same length. All lines on the ground must be equally wide, not to exceed . The corners of the pitch are marked by corner flags.
Yard
The yard is used as the standard unit of field-length measurement in American, Canadian and Association football, cricket pitch dimensions, rugby union, rugby league and in some countries, golf fairway measurements.
There are corresponding units of area and volume: the square yard and cubic yard respectively. These are sometimes referred to simply as "yards" when no ambiguity is possible, for example an American or Canadian concrete mixer may be marked with a capacity of "9 yards" or "1.5 yards", where cubic yards are obviously referred to.