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Compound Interest Calculator
Project investment growth with configurable interest and compounding frequency.
LOCAL CALCULATION
Enter your values
Result
Your result and calculation steps will appear here.
Your calculations are processed locally and are not stored.
Use one currency consistently. Results are in the same currency as the amounts you enter.
How to Calculate
- Enter the initial principal and annual rate.
- Choose the number of years and compounding periods per year.
- Calculate to see the projected balance and interest earned.
Formula
A = P(1 + r ÷ n)ⁿᵗExample
$10,000 at 5% compounded monthly for 10 years grows to approximately $16,470.09.
Frequently Asked Questions
What is compound interest?
It is interest calculated on both the original principal and previously accumulated interest.
Does more frequent compounding increase growth?
At the same nominal rate, more frequent compounding generally produces a slightly higher ending balance.
Are regular contributions included?
This MVP calculates growth of one starting principal and does not include recurring deposits.
Reference sources
Authoritative material used to check the formula, definition, or interpretation shown on this page: