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.
Salaries at U.S. Postal Service (USPS) range from an average of $37,863 to $86,935 a year. U.S. Postal Service (USPS) employees with the job title Vice President (VP), Information Technology (IT) make the most with an average annual salary of $230,000, while employees with the title Bartender make the least with an average annual salary of $12,000.