Sections View Full Chapter Figures Tables Videos Full Chapter Figures Tables Videos Supplementary Content ++ U.S.–Metric Equivalents ++Table Graphic Jump LocationView Table|Favorite Table|Download (.pdf) To Convert from To Multiply by Inches Centimeters 2.54 Centimeters Inches 0.39 Feet Meters 0.305 Meters Feet 3.28 Yards Meters 0.91 Meters Yards 1.09 Miles Kilometers 1.61 Kilometers Miles 0.62 Pounds Kilograms 0.45 Kilograms Pounds 2.21 Pounds Newtons 4.45 Newtons Pounds 0.225 Slugs Kilograms 14.59 Kilograms Slugs 0.068 Ft · lb Joules 1.36 Joules Ft · lb 0.735 Ft · lb/sec (power) Watts 1.36 Watts Ft · lb/sec 0.735 GET ACCESS TO THIS RESOURCE Sign In Username Error: Please enter User Name Password Error: Please enter Password Forgot Username? Forgot Password? Sign in via OpenAthens Sign in via Shibboleth Get Free Access Through Your Institution Contact your institution's library to ask if they subscribe to McGraw-Hill Medical Products. Access My Subscription GET ACCESS TO THIS RESOURCE Subscription Options Pay Per View Timed Access to all of AccessPhysiotherapy 24 Hour $34.95 (USD) Buy Now 48 Hour $54.95 (USD) Buy Now Best Value AccessPhysiotherapy Full Site: One-Year Individual Subscription $595 USD Buy Now View All Subscription Options