Compound Interest Calculator
See how an initial amount plus monthly contributions can grow with compounding. Estimate, not financial advice.
$37,405.09
Projected balance
$22,000.00
Total contributed
$15,405.09
Interest earned
Monthly compounding. Estimate only - not financial advice.
How to use
- Enter the initial amount, annual rate and years.
- Add a monthly contribution if you like.
- Read the projected balance.
Examples
10,000 at 7% for 10 years + 100/month
Output: About 37,000 total, of which ~15,000 is interest.
Frequently asked questions
Compounding frequency?
Monthly (n = 12), the most common for savings accounts.