Square Miles to Tsubo (Japan): the quick answer
1 mi² = 783,471 tsubo
1 square mile equals 783,471 tsubo (Japan)
To convert square miles to tsubo (Japan), multiply the value by 783,471. To go the other way, multiply tsubo (Japan) by 1.27637 × 10⁻⁶ to get square miles.