Convert from square meter to tatami

Unit Definition (square meter)
The square meter is the SI unit of area, equal to 10E4 square centimeters, approximately 10.763 91 square feet, or approximately 1.195 990 square yard.

Unit Definition (tatami)
The tatami is a Japanese unit of area equal to the area of a traditional tatami mat, 0.5 ken by 1 ken or about 90 centimeters by 180 centimeters (roughly 1.62 square meters or 17.5 square feet). This unit, used especially for measuring the area of rooms in houses and apartments, is also called the jo.