Finance
Simple Interest Calculator
Calculate simple interest and final balance without compounding.
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How this calculation works
Calculate simple interest and final balance without compounding. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
I = P × r × t
Good to know
Results are estimates for informational purposes.
Example calculation
€10,000 × 5% × 3 years = €1,500 interest
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Good to know
Illustrative estimate; fees, taxes and provider rules are excluded unless stated.
MethodologyFrequently asked questions
What does the Simple Interest Calculator calculate?
Calculate simple interest and final balance without compounding. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Simple Interest Calculator use?
It applies I = P × r × t. Values, fees, rules or timing not represented by an input are not added automatically.

