Square Miles to Biswa / Katha (Uttar Pradesh / Bihar): the quick answer
To convert square miles to biswa / katha (Uttar Pradesh / Bihar), multiply the value by 20,480. To go the other way, multiply biswa / katha (Uttar Pradesh / Bihar) by 4.88281 × 10⁻⁵ to get square miles.
↔ Convert biswa / katha (Uttar Pradesh / Bihar) to square miles instead