1 Acre is equal to approximately 1.6 to 6.25 bighas, depending on the region. An acre is a widely used unit of area, especially in countries like India where bigha is also a common land measurement unit. The size of a bigha varies significantly across different states in India. Typically, an acre is used to measure large plots of land, such as farms or properties in real estate. One acre covers a varying number of bighas based on the local definition. Historically, an acre represented the area that could be plowed by a team of oxen in one day. Bighas are often used in rural and agricultural land measurement, especially in North India.