Unit Definition (square centimeter) The square centimeter is the CGS unit of area. 1 cm2 equals 100 mm2, 10-4 m2, or approximately 0.155 000 3 in2.
Unit Definition (virgate) The virgate is an old English unit of land area equal to 1/4 hide. This is roughly 30 acres or 12 hectares. The virgate was also called the yardland or yard of land.
