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Revision as of 06:21, 5 April 2012

This Collective table of formulas is proudly sponsored
by the Nice Guys of Eta Kappa Nu.

Visit us at the HKN Lounge in EE24 for hot coffee and fresh bagels only $1 each!

                                         HKNlogo.jpg


Conversion Factors
Length
$ \begin{array}{lcl} 1 \mbox{ kilometer (km) } & = & 1000 \mbox{ meter (m) } \\ 1 \mbox{ meter (m) } & = & 100 \mbox{ centimeter (cm) } \\ & = & 39.37/12 \mbox{ feet (ft) } \\ 1 \mbox{ centimeter (cm) } & = & 10^{-2} \mbox{ m } \\ 1 \mbox{ millimeter (mm) } & = & 10^{-3} \mbox{ m } \\ 1 \mbox{ micron } (\mu ) & = & 10^{-6} \mbox{ m } \\ 1 \mbox{ millimicron ( m} \mu ) & = & 10^{-9} \mbox{ m } \\ 1 \mbox{ angstrom (A) } & = & 10^{-10} \mbox{ m } \\ \end{array} $
Surface
$ \begin{array}{lcl} 1 \mbox{ square meter (m}^2) & = & 10,76 \mbox{ ft}^2 \\ 1 \mbox{ square foot (ft}^2) & = & 929 \mbox{ cm}^2 \\ \end{array} $
Volume
$ \begin{array}{lcl} 1 \mbox{ liter }( l) = 1000 \mbox{ cm}^3 = 1,057 \mbox{ quart (qt) } = 61,02 \mbox{ in}^3 = 0,03532 \mbox{ ft}^3 \\ 1 \mbox{ cubic meter (m}^3) = 1000 \ l = 35,32 \mbox{ft}^3 \\ 1 \mbox{ cubic foot ( ft}^3 ) = 7,481 \mbox{ U.S gal } = 0,02832 \mbox{ m}^3 = 28,32 \ l \\ 1 \mbox{ US. Gallon (gal) } = 231 \mbox{ in}^3 = 3,785 \ l ; \ 1 \ \mbox{UK . Gal = } 1,201 \mbox{ US. Gallon } = 277,4 \mbox{ in}^3 \\ \end{array} $
Mass
$ \begin{array}{lcl} 1 \mbox{ kilogram (kg) } = 2,2046 \mbox{ pounds (lb) } = 0,06852 \mbox{ slug ;} 1 \mbox{ lb} = 453,6 \mbox{ gr} = 0,03108 \mbox{ slug}\\ 1 \mbox{ slug } = 34,174 \mbox{ lb} = 14,59 \mbox{kg.}\\ \end{array} $
Speed
$ \begin{array}{lcl} 1 \mbox{ km/h } = 0,2778 \mbox{ m/s } = 0,6214 \mbox{ mi/h } = 0,9113 \mbox{ ft/s} \\ 1 \mbox{ mi/h } = 1,467 \mbox{ ft/s } = 1,609 \mbox{ km/h } = 0,4470 \mbox{ m/s}\\ \end{array} $
Density
$ \begin{array}{lcl} 1 \mbox{ g/cm}^3 = 10^3 \mbox{ kg/m}^3 = 62,43 \mbox{ lb/ft}^3 = 1,940 \mbox{ slug/ft}^3 \\ 1 \mbox{ lb/ft}^3 = 0,01602 \mbox{ gm/cm}^3 ; \ 1 \mbox{ slug/ft}^3 = 0,514 \mbox{ g/cm}^3\\ \end{array} $
Force
$ \begin{array}{lcl} 1 \mbox{ newton (N) } = 10^5 \mbox{ dynes } = 0,1020 \mbox{ Kgp } = 0,2248 \mbox{ lb wt}\\ 1 \mbox{ pound weight (lbwt) } = 4,448 \mbox{ N} = 0,4536 \mbox{ kgp } = 32,17 \mbox{ poundals}\\ 1 \mbox{ kilogram poids (kg p) } = 2,205 \mbox{ lbwt } = 9,807 \mbox{ N }\\ 1 \mbox{ US short ton } = 2000 \mbox{ lbwt ; } 1 \mbox{ long ton } = 2240 \mbox{ lbwt ; } 1 \mbox{ metric ton }= 2205 \mbox{ lbwt} \\ \end{array} $
Energy
$ \begin{array}{lcl} 1 \mbox{ joule } = 1 \mbox{ Nm } = 10^7 \mbox{ erg } = 0,7376 \mbox{ (ft lbwt) } = 0,2889 \mbox{ cal} = 9,481 \times 10^{-4} \mbox{ Btu}\\ 1 \mbox{ ft lbwt } = 1,356 \mbox{ joule } = 0,3239 \mbox{ cal } = 1,285 \times 10^{-3} \mbox{ Btu }\\ 1 \mbox{ calorie (cal) } = 4,186 \mbox{ joule } = 3,087 \mbox{ ft lbwt } = 3,968 \times 10^{-3} \mbox { Btu }\\ 1 \mbox{ Btu (British thermal unit) } = 778 \mbox{ ft lbwt } = 1055 \mbox{ joules } = 0,293 \mbox { watt/hour }\\ 1 \mbox{ kilowatt hour (kwh) } = 3,60 \times 10^6 \mbox{ joule } = 860,0 \mbox{ kcal } = 3413 \mbox { Btu }\\ 1 \mbox{ electron volt (ev) } = 1,602 \times 10^{-19} \mbox{ joule } \\ \end{array} $
Power
$ \begin{array}{lcl} 1 \mbox{ watt } = 1 \mbox{ joule/s } = 10^7 \mbox{ erg/s } = 0,2389 \mbox{ cal/s }\\ 1 \mbox{ horse power (HP) } = 550 \mbox{ ft lbwt/s } = 33.000 \mbox{ ft lbwt/min. } = 745,7 \mbox{ watt }\\ 1 \mbox{ kilowatt (kw) } = 1,341 \mbox{ Hp } = 737,6 \mbox{ ft lbwt/s } = 0,9483 \mbox { Btu/s }\\ \end{array} $
Pressure
$ \begin{array}{lcl} 1 \mbox{ N/m}^2 = 10 \mbox{ dynes/cm}^2 = 0,869 \times 10^{-6} \mbox{ atmosphere } = 2,089 \times 10^{-2} \mbox{ lbwt/ft}^2\\ 1 \mbox{ lbwt/in}^2 = 6895 \mbox{ N/m}^2 = 5,171 \mbox{cm of mercury} = 27,68 \mbox{ in. water}\\ 1 \mbox{ atmosphere (atm) } = 1,013 \times 10^5 \mbox{ N/m}^2 = 1,013 \times 10^6 \mbox{ dynes/cm}^2 = 14,70 \mbox{ lbwt/in}^2 \\ \mbox{ }\ \ \qquad \qquad \qquad \qquad = 76 \mbox{ cm of mercury} = 406,8 \mbox{ in. water}\\ \end{array} $

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