Banking
Savings Calculator
Watch your savings grow with compound interest, month by month.
Enter your numbers above.
Estimates only — not financial advice. See assumptions below.
How this works
Assumptions
- Interest compounds monthly at the stated APY.
- Contributions are made at each month-end.
- Rate held constant — real APYs change; check current rates.
FAQ
What is APY?
Annual Percentage Yield: the real yearly return including compounding. A 4% APY on $10,000 earns about $408 in a year, not $400, because each month's interest earns its own interest.
How is this calculated?
FV = PV(1+r)^n + PMT·(((1+r)^n − 1)/r), with monthly r and n. Contributions and interest shown separately.
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