ACRE, a denomination used in the measurement of land: an acre consists of four square roods, each containing 40 perches, or poles. In different countries it varies, according to the length of the pole, which is from 1612 to 28 feet. It is, also, divided into ten square chains, of twenty-two yards each, or 4840 square yards. According to Dr. Grew, the number of acres in England amounts to 46,080,000.