The S I unit of area is the square meter. To change any of these other units of area into their equivalent values in square meters use the operation and conversion factor given. Those marked with * are exact.
acres x 4046.856 4224 * ares x 100 * circular inches x 0.000 506 707 479 hectares x 10 000 * hides x 485 000 roods x 1011.714 105 6 * square centimeters x 0.000 1 * square feet (UK and US) x 0.092 903 04 * square feet (US survey) x 0.092 903 411 613 square inches x 0.000 645 16 * square kilometers x 1 000 000 * square meters 1 square miles x 2 589 988.110 336 * square millimeters x 0.000 001 * squares (of timber) x 9.290 304 * square rods (or poles) x 25.292 852 64 * square yards x 0.836 127 36 * townships x 93 239 571.972 |