Savings Calculator
Calculate how much your savings will grow with compound interest
| Year | Start Balance | Added | Interest | End Balance |
|---|---|---|---|---|
| Run the calculation to see results | ||||
📘 How This Savings Calculator Works
Our Savings Calculator uses the power of compound interest to project how your money grows over time. Compound interest means you earn interest not only on your original deposits but also on the interest that accumulates — creating a snowball effect that accelerates your savings growth.
The calculator compounds monthly, which is the most common compounding frequency for savings accounts. Each month, your balance earns 1/12th of the annual interest rate, and that interest is added to your balance for the next month's calculation.
🔢 Understanding the Inputs
- Initial Deposit: The lump sum you already have saved or plan to start with.
- Monthly Contribution: How much you plan to add to your savings each month.
- Annual Interest Rate: The yearly interest rate your savings account or investment earns (e.g., 5 for 5%).
- Time Period: The number of years you plan to let your money grow.
📊 Interpreting Your Results
After clicking "Calculate Savings," you'll see three summary cards, a donut chart visualizing the split between your contributions and interest earned, and a year-by-year breakdown table showing exactly how your balance grows annually. The final row in the table (highlighted) shows your total at the end of the period.
❓ Frequently Asked Questions
Q: Is this calculator only for savings accounts?
No — you can use it for any investment that earns compound interest, including CDs, money market accounts,
and even retirement accounts like IRAs or 401(k)s (though actual returns vary).
Q: Does this account for inflation or taxes?
This calculator shows nominal growth before taxes and inflation. For a real-world estimate, consider
that inflation averages around 2–3% per year, which erodes purchasing power over time.
Q: What if I change my monthly contribution over time?
This calculator assumes a fixed monthly contribution. For more complex scenarios (like increasing contributions annually),
you can run multiple calculations with different inputs to compare outcomes.
Q: How accurate is the year-by-year table?
The table applies monthly compounding within each year and rounds to the nearest cent, making it highly accurate
for standard savings projections.
