Compound Interest Calculator
Compound Interest Calculator projects how an investment grows over time given the principal, annual rate, duration and how often interest compounds.
š Calculated instantly in your browser.
How to use Compound Interest Calculator
- Enter the principal, annual rate and number of years.
- Choose the compounding frequency.
- Read the final balance and interest earned.
Frequently asked questions
What compounding frequencies are supported?
Annually, semi-annually, quarterly, monthly and daily.
What's the formula?
Future value = P Ć (1 + r/n)^(nĀ·t), where n is the compounds per year and t the number of years.
Does it include contributions?
This version calculates growth on a single lump sum. Treat additional deposits separately.
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