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Materials for engineering, 3rd Edition - (Malestrom)

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Appendix II<br />

Conversion factors<br />

Length<br />

1 Å = 10 –10 m<br />

1 in = 25.4 mm<br />

1 ft = 0.3048 m<br />

1 yd = 0.9144 m<br />

Volume<br />

1 Imperial gall = 4.546 × 10 –3 m 3<br />

1 US gall = 3.785 × 10 –3 m 3<br />

Angle<br />

1 radian = 57.3°<br />

Mass<br />

1 lb = 0.4536 kg<br />

1 short ton = 907 kg<br />

1 long ton = 1016 kg<br />

1 tonne = 1000 kg<br />

Density<br />

1 lb ft –3 = 16.03 kg m –3<br />

1 g cm –3 = 1 Mg m –3<br />

Force<br />

1 dyne = 10 –5 N<br />

1 lb <strong>for</strong>ce = 4.448 N<br />

1 kg <strong>for</strong>ce = 9.807 N<br />

Stress<br />

1 psi = 6.9 × 10 –3 Pa<br />

1 long tsi = 15.44 MPa<br />

1 dyne cm –2 = 10 –7 MPa<br />

1 bar = 0.1MPa<br />

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