Simple Interest Calculator

Calculate interest that does not compound over time.

Enter your numbers

Simple interest€1,500.00
Final balance€11,500.00
Starting amount€10,000.00
Annual interest rate5%

Estimate based on the values entered.

Practical guide

Simple Interest Calculator

Worked example

Here is a simple Simple Interest example:

5,000 × 4% × 3 → 600; Σ = 5,600.

Common mistakes to avoid

  • Confirm whether your product uses simple interest.
  • Enter the annual nominal rate.
  • Fees are not included.

Frequently asked questions

What does the Simple Interest calculate?

Calculate interest that does not compound over time.

Which formula is used?

Interest = principal × annual rate × years

Can I rely on this result?

Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.