Enter the mass of object 1 (kg), the mass of object 2 (kg), and the mass of object 3 (kg) into the Average Mass Calculator. The calculator will evaluate and display the Average Mass. 

Average Mass Formula

The following formula is used to calculate the Average Mass. 

AM = (M1+M2+M3)/ 3
  • Where AM is the Average Mass (kg)
  • M1 is the mass of object 1 (kg) 
  • M2 is the mass of object 2 (kg) 
  • M3 is the mass of object 3 (kg) 

To calculate an average mass, sum the all of the masses together, then divide by the number of individual masses.

How to Calculate Average Mass?

The following example problems outline how to calculate Average Mass.

Example Problem #1

  1. First, determine the mass of object 1 (kg).
    • The mass of object 1 (kg) is calculated to be : 14.
  2. Next, determine the mass of object 2 (kg). 
    • The mass of object 2 (kg) is measured to be: 70.
  3. Next, determine the mass of object 3 (kg). 
    • The mass of object 3 (kg) is found to be: 50.
  4. Finally, calculate the Average Mass using the formula above: 

AM = (M1+M2+M3)/ 3

The values given above are inserted into the equation below and the solution is calculated:

AM = (14+70+50)/ 3 = 44.66 (kg)


Example Problem #2

The variables needed for this problem are provided below:

mass of object 1 (kg) = 8

mass of object 2 (kg) = 90

mass of object 3 (kg) = 10

This example problem is a test of your knowledge on the subject. Use the calculator above to check your answer. 

AM = (M1+M2+M3)/ 3 = (kg)