Diamond (unit)

Diamond is a equal to 8100 square feet, 900 square yards, ≈752.5 square meters, or ≈0.186 s, meaning when formed in a square would have the length of 90 feet on all sides. The unit was originated from the area within the baseball diamond whose sides (distance between the bases) are 90 feet. As a result, the unit is also known as square base.