Low Interest Investment
Principal Amount ($): 1,000 $; Time Period (Years): 5 years; Total Interest Earned ($): 100 $
Annual Interest Rate (%): 2 %
Interest Rate Calculator
Finance0.0(0)
Calculates the interest rate of a loan or investment given the principal amount, time period, and total interest earned.
More tools:Finance Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Principal Amount ($), Time Period (Years), and Total Interest Earned ($) in the units shown.
Step 2
Read Annual Interest Rate (%) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Moderate Loan
Principal Amount ($): 5,000 $; Time Period (Years): 3 years; Total Interest Earned ($): 750 $
Annual Interest Rate (%): 5 %
High Interest Investment
Principal Amount ($): 2,000 $; Time Period (Years): 2 years; Total Interest Earned ($): 500 $
Annual Interest Rate (%): 12.5 %
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Important
Treat this output as a planning estimate and confirm rates, tax rules, and contract terms before making financial decisions.