Appendix A

Conversion Factors

QuantitySI to EnglishEnglish to SI
Length1 m = 39.37 in1 m = 3.28 ft 1 in = 0.0254 m1 ft = 0.3048 m
Area 1 m2 = 10.764 ft1 m2 = 1550.0 in2 1 ft2 = 0.00929 m21 in2 = 6.452 × 10− 4 m2
Volume 1 m3 = 264.172 gal1 m3 = 35.315 ft3 1 gal = 0.00378 m31 ft3 = 0.0283 m3
Mass 1 kg = 2.204 lbm1 kg = 0.0685 slug 1 lbm = 0.454 kg1 slug = 14.594 kg
Force 1 N = 0.225 lbf1 N = 105 dyne 1 lbf = 4.448 N1 dyne = 10− 5 N
Dynamic viscosity 1 Ns/m2 = 1000 cP 1 cP = 0.001 Ns/m2
Kinematic viscosity 1 m2/s = 10,000 St 1 St = 1 E − 4 m2/s
Pressure 1 Pa = 1.4504 × 10− 4 lbf/in21 Pa = 0.020886 lbf/ft21 Pa = 4.015 × 10− 3 in water1 Pa = 2.953 × 10− 4 in Hg 1 lbf/in2 = 6894.6 Palbf/ft2 = 47.88 Pa1 in water = 249.07 Pa1 in Hg = 3386.39 Pa ...

Get Advanced Power Generation Systems now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.