The mass of the body is found by simply weighing a person on a scale. The volume of the body is most easily and accurately determined by completely immersing a person in water and calculating the volume of water from the weight of water that is displaced (via underwater weighing).
Mailman Salary Statistics as of 2015. Average annual salary for a Mailman is $36600 based on statistics in the U.S. as of 2015. The highest salary recorded was $76765. The lowest salary reported was $15604. These figures will vary on a state to state basis as these are averages across all 50 states.
Carriers. Postal Service mail carriers, sometimes informally referred to as postmen or mailmen, deliver the mail to private homes and businesses by vehicle or on foot. USPS mail carriers reported an average annual salary of $51,390, as of May 2011 or an hourly wage of $24.71.Most mail carriers -- 80 percent -- earned between $19.46 and $27.27 per hour, and reported annual salaries ranging from $40,470 to $56,720.SPS mail carriers reported an average annual salary of $51,390, as of May 2011 or an hourly wage of $24.71. Most mail carriers -- 80 percent -- earned between $19.46 and $27.27 per hour, and reported annual salaries ranging from $40,470 to $56,720.