CalcHub
Interest Calculator
Calculate simple interest and total amount based on principal, rate, and time.
Currency
Principal
Annual interest rate (%)
Time
Time unit
Enter principal, rate, and time to see results.
Simple interest only. Compounding is not included.
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Frequently Asked Questions
Is this simple or compound interest?
This tool uses simple interest: interest is applied to the principal only.
How do you convert months or days?
What happens if the rate is 0%?