A professional who calculates tonnage of specified components of ship's cargo to compile report for use in assessing tariffs. Respnsibilities include:

• Calculates tonnage of each commodity from ship's manifest.
• Converts cubic feet of cargo volume into tonnage assessable.
• Converts metric volume of cargo into pounds and cubic feet, using formulas and calculating machine.
• Compiles tonnage list for each commodity in ship's cargo and submits lists to accounting department.