Enter the total interest earned ($) and the total investment amount ($) into the Return on Interest Calculator. The calculator will evaluate and display the Return on Interest.
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Return on Interest Formula
The following formula is used to calculate the Return on Interest.
ROIn = IE / IA * 100
- Where ROIn is the Return on Interest (%)
- IE is the total interest earned ($)
- IA is the total investment amount ($)
How to Calculate Return on Interest?
The following example problems outline how to calculate Return on Interest.
Example Problem #1:
- First, determine the total interest earned ($).
- The total interest earned ($) is given as: 3,000.
- Next, determine the total investment amount ($).
- The total investment amount ($) is provided as: 10,000.
- Finally, calculate the Return on Interest using the equation above:
ROIn = IE / IA * 100
The values given above are inserted into the equation below and the solution is calculated:
ROIn = 3,000 / 10,000 * 100 = 30.00 (%)
Example Problem #2:
For this problem, the variables needed are provided below:
total interest earned ($) = 6,000
total investment amount ($) = 30,000
This example problem is a test of your knowledge on the subject. Use the calculator above to check your answer.
ROIn = IE / IA * 100 = ?