Convert Acre (ac) to Square Dekameter (dam²) instantly.
About these units
Acre (ac)
An acre is a traditional Anglo-American land unit equal to 43,560 square feet, or roughly 4,047 m². It originated from medieval English farming, where an acre represented the amount of land a yoke of oxen could plow in one day—reflecting its deep agricultural roots. The acre remains widely used in the United States and the UK (in certain contexts), especially in real estate, agriculture, and land conservation. It is culturally intuitive for rural populations, where land plots have been measured in acres for centuries. The unit's longevity demonstrates how historical agricultural practices shaped modern land evaluation systems. Despite its lack of coherence with the metric system, the acre endures because of its cultural familiarity and long-standing legal integration.
Square Dekameter (dam²)
A square dekameter equals 100 square meters and is used in agriculture, sports field planning, and land measurement in some metric-oriented countries. It is particularly useful for measuring the footprint of small buildings, gardens, or sport courts. Landscape architects and civil engineers may express project areas in dam² when m² values become too large and hectares too large-scale. Although not as common as the square meter or hectare, the dam² exemplifies the flexibility of the metric system for scaling area units to suit practical needs.