An acre means land area which equates to 4,840 square yards or 0.405 hectares. It is used to express a big/large unit of land.
The acre is a land area unit or measurement unit. It has been widely used throughout the U.S. Customary and Imperial measurement systems. It was traditionally known as the area of a single chain by a furlong or 66x660 feet. This is equivalent to 10 square chains or 1/640 for any square mile. It also works out to approximately 4,840 square yards. It also means 43,560 square feet, which is the acceptable definition of the term worldwide. This also means that an acre is equal to 4,047 square meters or roughly 40% of a single hectare. The inception of acre came about in the Middle Ages, and was used to refer to the land area ploughed by a single man with oxen in a single day. The acre is still used as a land area unit throughout several countries including the United States and India.
Plots or land parcels are often measured in acres in India. The land sizes are listed in acres, thereby helping in fixing prices for the same and enabling buying/selling transactions. Acre is a land measurement unit that is widely used throughout the country, spanning its urban, semi-urban, and rural areas alike.
