Interest Rate Calculator
Solve for the implied annual interest rate given principal, end value, and years.
Use the Interest Rate Calculator
Enter principal, end value, and years. The implied annual interest rate is calculated.
Principal and end value
Principal, end value, and years. Implied annual rate is solved.
Results
Implied annual rate (%)
10%
Rate such that PV grows to FV over the given years.
How this calculator works
We solve for the annual rate r such that end value equals principal compounded at r for the given years.
How to interpret your results
Use the rate to compare with your cost of capital or required return.
FAQs
What does this calculator do?▾
Given principal, end value and years, it finds the annual rate such that the end value equals principal grown at that rate.
Which inputs matter most?▾
All three: principal, end value, and number of years.
When would I use this?▾
To back out an implied return from an investment outcome, or to compare with a required rate.
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