Square Feet to Fen (Area, China): the quick answer
1 ft² = 0.00139355 fen
1 square foot equals 0.00139355 fen (area, China)
To convert square feet to fen (area, China), multiply the value by 0.00139355. To go the other way, multiply fen (area, China) by 717.594 to get square feet.