單位轉換及換算Unit Conversion
Metric Unit: 1 m 2 = 10,000 cm 2 1 cm 2 = 100 mm 2 English Unit: 1 square foot = 144 square inches 1 square mile = 27,878,400 square feet Conversion : 1 m 2 = 10.764 square feet = 1,550 square inches 1 cm 2 = 0.155 square inch 1 square foot = 0.0929 ......