Jō (Tatami Mats, Japan) to Gaj (Square Yards): the quick answer
To convert jō (tatami mats, Japan) to gaj (square yards), multiply the value by 1.9375. To go the other way, multiply gaj (square yards) by 0.516128 to get jō (tatami mats, Japan).
↔ Convert gaj (square yards) to jō (tatami mats, Japan) instead