How to use

Estimate how your money grows with compound interest.

1. Enter your starting amount

Add the initial principal you’re investing or saving.

2. Add the interest rate

Enter the annual interest rate (for example, 5%).

3. Choose a time period

Set how long the money will be invested (in years).

4. Select compounding frequency

Choose how often interest is compounded (monthly, quarterly, annually, etc.).

FAQs

What’s the difference between simple and compound interest?

Simple interest is calculated only on the principal, while compound interest is calculated on the principal plus previously earned interest.

Does compounding more often increase returns?

Generally yes—more frequent compounding can slightly increase the total amount, especially over longer periods.

Does this include additional contributions?

This calculator focuses on compounding growth based on the inputs provided. If you make regular contributions, use an investment calculator that supports contributions.

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Calculateur d'intérêt composé

Aperçu

Calculez l'intérêt composé sur un investissement en fonction du principal, du taux d'intérêt, du temps, et de la fréquence de composition.

Le calculateur d'intérêt composé vous aide à calculer l'intérêt gagné sur un investissement avec intérêt composé. Entrez votre montant principal, taux d'intérêt, période de temps, et fréquence de composition pour voir comment votre investissement se développe au fil du temps.

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