Page 30 - Aeronautical Engineer Data Book

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sq.mile km 2 ha a m 2 dm 2 cm 2 - – - – 0.06452 6.452 – – - – 0.0929 9.29 929 - – – – 0.8361 83.61 8361 – 2.59 259 – – – –

sq.yd – 0.1111 1 – – 0.01196 1.196 119.6 – –

sq.ft - 1 9 – – 0.1076 10.76 1076 – –

sq.in 1 144 1296 – 0.155 15.5 1550 – – –
Table 2.9 Area (A) Unit 1 square inch 1 square foot 1 square yard 1 square mile 1 cm 2 1 dm 2 1 m 2 1 are (a) 1 hectare (ha) 1 km 2