Convert from square inch to centiare

Unit Definition (square inch)
The square inch is a traditional unit of area. 1 in² equals exactly 6.4516 cm² or 645.16 mm².

Unit Definition (centiare)
The Centiare is a metric unit of area. The centiare equals 0.01 are, which is exactly 1 square meter (about 10.7639 square feet).