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Simple Interest Calculator
Calculate interest on the original principal and the final amount.
Results
Enter your values and select Calculate to see the result.
Formula and assumptions
Interest = principal × annual rate × years.
Use the same currency for all amounts. Illustrative estimate; fees and taxes are excluded unless entered. Rates are assumptions, not live quotes.
Frequently Asked Questions
Interest = principal × annual rate × years.
Use the same currency for all amounts. Illustrative estimate; fees and taxes are excluded unless entered. Rates are assumptions, not live quotes.
Calculations run in your browser. Calculator values are not included in calculation analytics events.
