UNIDADESLONGITUD1pulg=2.54cm=0.08333pies1pie=12pulg=0.3048m1milla=1609.35m1millanautica=1853.25m1yarda=0.9144mMASA1kg-m=1kg=2.2lb1lb-m=1lb=0.4536kg-m1slug=32.2lb-m1UTM=9.81kg-mFUERZA1kg-f=2.205lb-f=9.81N1lb-f=0.4536kg-f1tonelada metrica=1000kg-f1dina=10^-5N=2.248*10^-6lb-fTRABAJO Y ENERGIA1kg-f*m=9.81J1CV-HR=2.648*10^6J1KW-HR=3.6*10^6J=860kcal/hr1KW-HR=3.413BTU1lb-f*pie=0.001285BTU1joule=9.478*10^-4BTU1kilocaloria=4187J=3.968BTU1BTU=778.2lb-f*piePOTENCIA1W=1J/s=0.101972kg-f*m/seg=0.00136CV1CV=735.75W1W=0.859845kcal/hr1HP=745.7W=76kg-f*m/seg1HP=550lb-f*pie/segVOLUMEN1pie^3=28.32lts=1728pie^31litro=10^-3m^31pie^3=7.51galones1galon=3.78ltsPRESION1N/m^2=1Pa1ATM=1.033kg-f/cm^2=14.7lb-f/pulg^2=760mmHg=101.325kPa=10.33mH2O=29.92pulgH2O1Bar=10^5Pa=100kPa=0.1MPa1Psi=1lb-f/pulg^21ATM=10.33mcaVISCOSIDADVISCOSIDAD ABSOLUTA O DINAMICA100centipoise=100Cpoise1poise=1dina/cm^2*seg=100Cpoiseu(H2O-20C)=1Cpoise