In it you will find all the pipe measures in inches, nominal diameter and outside diameter in millimeters, short and long radius take out as its development, calculations of angles between isometric lines, between non-isometric lines, between elbows, between elbow and tee, between two pipes and the inclinations of the pipes, calculations between parallel pipes, calculation of the percentage of inclination of the pipe at an angle and conversion between inches and millimeters.All offsets is in millimeters.