Square Feet to Chō (Japan): the quick answer
1 ft² = 9.36772 × 10⁻⁶ chō
1 square foot equals 9.36772 × 10⁻⁶ chō (Japan)
To convert square feet to chō (Japan), multiply the value by 9.36772 × 10⁻⁶. To go the other way, multiply chō (Japan) by 106,750 to get square feet.