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