How much land is three acres?

Three acres of land is equal to 30,200 square meters.

3 mu =2000 square meters =30 points, 1 minute =200/3 square meters, so one mu =0.4 mu =0.4×666.7 square meters = four points of 266.67 square meters. One acre of land is equal to 666.7 square meters, so one share is equal to 66.67 square meters, so four shares are equal to 4×66.67 square meters, which is equal to 266.67 square meters.