Unit Definition (stremma) The stremma is a traditional Greek unit of area, now redefined to equal exactly 1000 square meters or 0.1 hectare (0.24710 acre).
Unit Definition (centiare) The Centiare is a metric unit of area. The centiare equals 0.01 are, which is exactly 1 square meter (about 10.7639 square feet).
