Conversion Factor Table - University of Idaho

1 Conversion Factor ~jww8 Copyright by Jon WittwerMultiplebyTo can also be written as: 1 inch = cmacre43,560ft2ampere hr (A h)3,600coulomb (C) ngstr m ( )1x10-10matm (atmosphere) , of Hgatm, std760mm of Hg at 0 Catm, of wateratm, of Hg at 30 Fatm, abs (psia)atm, , , / cm2atm, , / / hrBtu / lbf / secBtu / / / *kJ / kgBtu / lbm25,037ft2 / s2 Btu / lbm / kg KBtu / lbm / kg CBtu / lbmol / kmol Kcal (g-calorie) hrcal (IT calorie) (Cal) / (watt)cm (centimeter) (centipoise) seccSt (centistokes)1x10-6m2 / secdegree /180radiandyne10 N (micronewton)eV (electronvolt) (feet) * * ( ) / / kgft mft (g-cal)ft lbf / / *m / gallon (gal) ( ) ( )gal ( ) / min (gpm) / secgamma ( , )1x10-9tesla (T)gauss1x10-4 Tgram (g) / cm311 kg / Lg / cm31000kg / m3g / / ft3g / / ft3g / / (horsepower) / / / (watt) ,000ft lbf / minhp550ft lbf / sechp hr2544 Btuhp lbfhp *cmin of of of waterin of of of Hgin of / in2 (psi)

2 In of (joule) lbfJ1N mJ1x107ergsJ / s1 Wkg (kilogram) (pound mass) tonkg / / (N)kip1000lbfkip4448 NkJ11 kPa m3kJ1000N lbfkJ / kg1000 m2 / s2kJ / / lbmkJ / kg / lbm RkJ / kg C 1kJ / kg KkJ / kg C1J / g CkJ / kg Btu / lbm F kJ / kg Btu / lbm / hr (mph) (kilopascal) / in2 (psi) / / ft / (kW-hour) hrkWh3600kJL (liter) ( ) / / min (cfm)L / / min (gpm)lbf (pound force) ft / / in2 (psi) / waterlbf / Hglbf / * / in31728lbm / ft3lbm / / cm3lbm / / m3m (meter) (cc) ( )m31000Lm3 / / lbmm / / minm / / hm / / sm / / h (mph)m / / s2metric (mile) (square mile)640acresmph (mile/hour) / / min (fpm) / / smicron1x10-6mmm of of of (newton)1kg m / s2N1x105dyne N (microN) lbfN m1 JPa (pascal)1N / / in2 (psia) / s10poisepsi (pounds per square inch) --- see lbf / in2radian180/ degreeshort ton2000lbmshort / / cm3stokes1x10-4m2 / stherm1x105 Btuton of refrigeration 200 Btu / minW (watt) / lbf / J / sW / cm21x104W / m2W / cm31x106W / m3W / / (h ft2)W / / (h ft3)W / m C1W / m KW / m / (h ft F)W / (m2 C)1W / (m2 K)W / (m2 C) / (h ft2 F)weber / m210,000gauss* The exact Conversion between metric and (K) = T( C) + (R) = T( F) + ( F) = T( C) + 32 SOME IMPORTANT CONSTANTSA tomic Mass Unit (u)= kgAvogadro s number (NA) = particles/molBoltzmann s constant (kB)= J / Kelectron charge (e)= Celectron mass (me)= kgproton mass (mp)= kgGas Constant (R)=8314 J / kmol KGravitational Constant (G)= N m2 / kg2 Gravity (mean)= ( ) m / s2 Planck s constant (h)= J sSpeed of Light (c)= m/s (exact)SI PREFIXES yocto (10-24), zepto (10-21), atto (10-18), femto (10-15), pico (10-12), nano (10-9), micro (10-6), milli (10-3)

3 , centi (10-2), deci (10-1), deka (101), hecto (102), kilo (103), mega (106), giga (109), tera (1012), peta (1015), exa (1018), zetta (1021), yotta (1024)ABCDEFGHJKLMTNPRSW