Katha (Assam) to Square Inches: the quick answer
1 katha-as = 414,720 in²
1 katha (Assam) equals 414,720 square inches
To convert katha (Assam) to square inches, multiply the value by 414,720. To go the other way, multiply square inches by 2.41127 × 10⁻⁶ to get katha (Assam).