Enter the original yearly salary ($) into the Calculator. The calculator will evaluate the 30 Percent Salary Increase. 

30 Percent Salary Increase Formula

30SI = S + S*.30


  • 30SI is the 30 Percent Salary Increase ($)
  • S is the original yearly salary ($)

How to Calculate 30 Percent Salary Increase?

The following steps outline how to calculate the 30 Percent Salary Increase.

  1. First, determine the original yearly salary ($). 
  2. Next, gather the formula from above = 30SI = S + S*.30.
  3. Finally, calculate the 30 Percent Salary Increase.
  4. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Original yearly salary ($) = 40000