Money made clearer
See how your money could grow.
Adjust a few familiar numbers for a clear, hypothetical estimate—not a promise.
Deposits
See the path
Growth over time
Each row uses the same assumptions as your estimate.
| Time | You put in | Estimated growth | Balance |
|---|---|---|---|
| Start | $1,000.00 | $0.00 | $1,000.00 |
| 1 year | $2,200.00 | $79.05 | $2,279.05 |
| 2 years | $3,400.00 | $223.53 | $3,623.53 |
| 3 years | $4,600.00 | $436.81 | $5,036.81 |
| 4 years | $5,800.00 | $722.38 | $6,522.38 |
| 5 years | $7,000.00 | $1,083.97 | $8,083.97 |
| 6 years | $8,200.00 | $1,525.44 | $9,725.44 |
| 7 years | $9,400.00 | $2,050.90 | $11,450.90 |
| 8 years | $10,600.00 | $2,664.64 | $13,264.64 |
| 9 years | $11,800.00 | $3,371.17 | $15,171.17 |
| 10 years | $13,000.00 | $4,175.24 | $17,175.24 |
The compounded rate includes the effect of compounding. All-time return is estimated growth divided by all money contributed. Doubling time uses the rate alone and ignores future contributions. These figures are not predictions of actual investment performance.
How this estimate works
Compound interest means growth can earn growth: your balance may earn a return on both the money you put in and the return already added to it. The estimate applies the rate and timing you choose, then separates your deposits from estimated growth.
Important assumptions
This is an educational estimate in US dollars. It does not include taxes, fees, inflation, changing rates, or market volatility. Actual investment returns can be negative, and a bank's advertised APY may differ from the nominal annual rate entered here.
About the comparison
The comparison changes only your recurring contribution. It keeps your starting amount, time, return, compounding, and timing the same so you can see the potential effect of saving more.
Formula and timing
For each compounding event, the balance is multiplied by 1 + (annual rate ÷ compounding periods per year). Contributions are added at the beginning or end of their selected period. When events happen together, a beginning-of-period contribution earns that period's return; an end-of-period contribution does not.
Sources
- SEC Investor.gov compound interest calculator
- Consumer Financial Protection Bureau: How does compound interest work?
- FDIC: Compound interest
Sources reviewed August 26, 2026. My Handy Calc provides educational estimates, not financial, investment, or tax advice.
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