The "vara conuquera cuadrada" is another historical unit of land area measurement used in some Spanish-speaking countries, particularly in parts of Latin America. Like the "vara castellana cuadrada," it measures land area in square varas, but it is a regional variation and not part of the standard metric system.
The exact length of the "vara conuquera cuadrada" can vary by region, but it is generally close to 100 square varas, with each square vara having a specific length determined locally. The term "conuquera" is associated with the conuco, a type of small-scale agricultural plot traditionally used in some Latin American countries for subsistence farming.
As with other historical units of measurement, the use of the "vara conuquera cuadrada" is not standardized and is mostly a part of local customs and traditions. Official land measurements and land records in many Spanish-speaking countries have transitioned to more standardized systems, such as metric units, for land area measurements.
A square decameter (often abbreviated as dam²) is a unit of area in the International System of Units (SI). It represents a square with sides that each measure 10 meters (1,000 centimeters) in length.
One square decameter is equal to 100 square meters (m²) because each side of the square is 10 meters long, and when you square that length, you get 100 square meters.
Square decameters are not as commonly used as some other units of area, but they can be used to describe moderate-sized land areas, and they are a part of the metric system for measuring area.