Compound Interest Calculator
CalculatorsProject savings and investments with compounding.
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What is Compound Interest Calculator?
Compound Interest Calculator projects how an investment grows when interest is compounded over time.
How to use Compound Interest Calculator
- 1 Enter the principal, rate, term, and compounding frequency.
- 2 Add optional regular contributions if available.
- 3 Review the projected balance and total interest.
Supported formats and limits
- Input: principal, rate, time, compounding
- Output: future value and interest
- Runs in your browser
Common uses
- Project long-term savings growth.
- Compare compounding frequencies.
- Model an investment scenario.
Things to know
- It assumes a constant rate and no withdrawals.
- It excludes fees and taxes.
Privacy and file handling
Calculations are performed in your browser.
Frequently asked questions
What does compounding frequency mean?
It is how often interest is added to the balance. More frequent compounding grows the balance slightly faster.
How often can interest compound?
You can choose common frequencies such as annually, monthly or daily.
What is the difference from simple interest?
Compound interest earns interest on interest, so it grows faster over time.
Is my data uploaded?
No. It runs in your browser.
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