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  5. Simple InterestSimple Interest Calculator
Interest

Simple Interest Calculator

Calculate simple interest on loans and investments quickly.

Related toolsMore Interest tools

View all →
Compound InterestSimple Interest

Why beMyCalc

  • Instant resultsSliders update your projection live
  • Shareable linkSave principal, rate & tenure in the URL
  • Multi-currencyWorks for any currency you choose
  • No signupFree simple & compound interest tools

Results update instantly

Drag the sliders or tap the number boxes to change values. Results appear at the top on mobile.

Share & export

Download or share with your numbers saved in the link

Report an issue with this calculator

How Simple Interest Calculator Works

Simple Interest = Principal × Rate × Time / 100. Enter these values to get interest amount and total sum.

Frequently Asked Questions

What is simple interest?

Simple interest is calculated only on the principal amount, not on accumulated interest.

When is simple interest used?

Simple interest is commonly used for short-term loans, bonds, and some savings accounts.

Disclaimer

  • This calculator gives you an estimate only. It is not a promise of exact results.
  • This is general information, not personal financial, tax, or legal advice.
  • You are responsible for your own decisions. Talk to a qualified professional when it matters.
  • Banks and lenders set their own rates. Your actual interest may differ.

Full site disclaimer

Related Calculators

Compound Interest CalculatorSee how your money grows with the power of compound interest over time.
$100$10.00M
%
0.1%30%
Yrs
1 Yrs25 Yrs

Interest

$40,000

Total Amount

$140,000