Interest Calculator
Calculate simple interest.
Enter the values required below. Financial results are rounded to 2 decimals.
About Interest Calculator
Calculate simple interest and the total amount from principal, rate and time with this online interest calculator. The result is an estimate based on the information you enter; actual rates, fees, taxes or lender terms may vary.
How to use Interest Calculator
Enter the financial values requested by the calculator and check the result. Use consistent units and review the assumptions shown on the page.
Frequently Asked Questions
What does this calculator estimate?
This interest calculator provides an estimate based on the values you enter.
Are the results guaranteed?
No. Actual financial results can differ because of rates, fees, taxes, compounding rules, lender policies or other terms.
Can I compare different scenarios?
Yes. Change the inputs and calculate again to compare the resulting figures.
Ask a Question
Didn't find the answer you're looking for? Ask us a question.