convert square inches (in) to acres (ac)
one square inch (in²) = 0.000000159422507907356 acres (ac)

convert square inches (in) to arpents (a²) Que
one square inch (in²) = 0.000000188704308049253 arpents (a²) Que

convert square inches (in) to hectares (ha)
one square inch (in²) = 0.000000064516 hectares (ha)

convert square inches (in) to perches (p²) Que
one square inch (in²) = 0.0000188704308049253 perches (p²) Que

convert square inches (in) to square centimetres (cm²)
one square inch (in²) = 6.4516 square centimetres (cm²)

convert square inches (in) to square feet (ft²)
one square inch (in²) = 0.00694444444444443 square feet (ft²) 

convert square inches (in) to square french feet (fr.ft²) Que
one square inch (in²) = 0.00611401958079578 square french feet (fr.ft²) Que

convert square inches (in) to square kilometres (km²)
one square inch (in²) = 0.00000000064516 square kilometres (km²)

convert square inches (in) to square metres (m²)
one square inch (in²) = 0.00064516	square metres (m²) 

convert square inches (in) to square miles (mi²)
one square inch (in²) = 0.000000000249097668605244 square miles (mi²)

convert square inches (in) to square millimetres (mm²) 
one square inch (in²) = 645.16 square millimetres (mm²) 

convert square inches (in) to square yards (yd²)
one square inch (in²) = 0.000771604938271611 square yards (yd²)