MEASURABLE QUANTITIES | COMMON AND SI UNITS |
---|---|
Length |
in x 25.40 = mm mil x 10^{-3} = in ft x 0.3048 = m yd x 3 = ft Angstrom x 10^{-4} = µm Angstrom x 0.1 = nm |
Area | hectare x 10^{4} =m^{2 \n}acre x 43560 = ft^{2} |
Volume |
ft^{3} x 1728 = in.^{3} ft^{3} x 0.02832 = m^{3} yd^{3} x 0.7646 = m^{3} gal x 3.785 = liter = 10^{-3}m^{3} ounce (U.S. fluid) x 29.57 = cm^{3} |
Mass |
lb x 0.4536 = kg U.S. ton x 907.2 = kg |
Force [N = (kg) (g = 9.807 m^{2}/s)] |
kip x 1000 = lbf bf x 4.448 = N U.S. ton x 2000 = lbf kgf x 9.81 = N metric ton x 9.81 = kN dyne x 10^{-5} = N |
Unit Weight |
γ_{w} = 1.00 TCM =g/cm^{3} γ_{w} = 62.4 pcf γ_{w} = 9.81 kN/m^{3} pcf x 0.1571 = kN/m^{3} |
Energy |
joule (J) = N . m ft . lbf x 1.356 = J cal x 4.187 = J erg = dyne . cm erg x 10^{-7} = J |
Pressure (Common) |
atm = 760 mm of Hg atm x 1.0332 = kgf/cm^{2} psi x 144 = psf ksf x 1000 = psf TSF x 2000 = psf kgf/cm^{2} x 2048 = psf kgf/cm^{2} x 10 = TSM TSM x 204.8 = psf dyne/cm^{2} x 10^{-6} = bar |
Pressure (Pa = N/m^{2}) |
bar = 100 kPa |
Coefficient of Permeability |
cm/s x 864 = m/day cm/s x 2835 = ft/day ft/day x 0.3048 = m/day |
Coefficient of Consolidation |
cm^{2}/s x 8.64 = m^{2}/day cm^{2}/s x 93.0 = ft^{2}/day in^{2}/min x 0.929 = m^{2}/day in^{2}/min x 10 = ft^{2}/day ft^{2}/day x 0.0929 = m^{2}/day |
Power | watt = J/s |
Temperature | ^{o}C/100 = (^{o}F - 32)/180 |
Study Materials
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As Taught In
Fall
2004
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notes
Lecture Notes