Appendix: Units Multimedia Engineering Fluids US_to_SI SI_to_US
 Chapter 1. Basics 2. Fluid Statics 3. Kinematics 4. Laws (Integral) 5. Laws (Diff.) 6. Modeling/Similitude 7. Inviscid 8. Viscous 9. External Flow 10. Open-Channel Appendix Basic Math Units Basic Equations Water/Air Tables Sections Search eBooks Dynamics Statics Mechanics Fluids Thermodynamics Math Author(s): Chean Chin Ngo Kurt Gramoll ©Kurt Gramoll

 SI to US Area 1 mm2 = 0.001550 in2 1 m2 = 10.76 ft2 = 1550 in2 Acceleration 1 m/s2 = 3.281 ft/s2 = 39.37 in/s2 1 g = 32.17 ft/s2 = 9.807 m/s2   (average at earth's surface) Mass 1 kg = 0.0685 slug 1 t (metric tonne) = 1,000 kg = 68.5 slug Force 1 N = 0.2248 lb 1 kN = 0.2248 kip = 224.8 lb Power 1 W = 1 N-m/s = 0.7376 ft-lb/s 1 W = 0.001341 hp Time 1 min = 60 s 1 hr = 60 min = 3,600 s 1 day = 24 hr = 86,400 s Density 1 kg/m3 = 0.001940 slug/ft3 Temperature TC = (5/9) (TF - 32) TK = TC + 273.15 (Kelvin) Pressure 1 Pa = 1 N/m2 = 0.0209 lb/ft2 = 1.45×10-4 psi 1 bar = 100,000 Pa 1 MPa = 1,000 kPa = 0.1450 ksi 1 GPa = 1,000 MPa = 0.1450 msi 1 atm = 101.3 kPa = 760 mmHg Length 1 m = 3.281 ft = 39.37 in. 1 km = 0.6214 mi Volume 1 mm3 = 6.102×10-5 in3 = 3.531×10-8 ft3 1 m3 = 6.102×104 in3 = 35.31 ft3 1 liter = 0.2642 gal 1,000 liter = 1 m3 Velocity 1 m/hr = 3.281 ft/hr 1 km/hr = 0.2778 m/s = 0.6214 mi/hr = 0.9113 ft/s Work/Energy 1 J = 1 N-m = 0.7376 ft-lb Angle 1 rad = 180/π deg = 57.30 deg 1 deg = π/180 rad = 0.01745 rad 1 rev = 2π rad = 360 deg 1 rev/min (rpm) = 0.1047 rad/s