Appendix E: Conversion Factors

  Multiply By To Obtain

Length

Meters
Meters
Inches
Feet

3.281
39.37
0.0254
0.3048

Feet
Inches
Meters
Meters

Torque

Newton-Meters
lb-ft
lb-in
lb-ft

0.7376
1.3558
0.0833
12.00

lb-ft
Newton-Meters
lb-ft
lb-in

Rotation

RPM
RPM
Degrees/sec
Rad/sec

6.0
0.1047
0.16667
9.549

Degrees/sec
Rad/sec
RPM
RPM

Moment of Inertia

Newton-Meters²
oz-in²
lb-in²
Slug-ft²
oz-in-sec²
lb-in-sec²

2.42
0.000434
0.00694
32.17
0.1675
2.68

lb-ft²
lb-ft²
lb-ft²
lb-ft²
lb-ft²
lb-ft²

Power

Watts
lb-ft/min
HP
HP

0.00134
0.0000303
746
30300

HP
HP
Watts
lb-ft/min

Temperature

Degree C = (Degree F-32) x 5/9
Degree F = (Degree C x 9/5) + 32

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