Compound Interest Calculator
See how your savings grow with compound interest and monthly deposits, with a year-by-year table of interest and balance. Free calculator.
%
Final balance$54,713.58
Total deposited$34,000.00
Interest earned$20,713.58
Effective yearly rate7.23%
Formula
A = P × (1 + r/n)^(n·t)Monthly deposits are added and grow at the same rate.Year by year
| Year | Deposited | Interest | Balance |
|---|---|---|---|
| Year 1 | $12,400.00 | $801.42 | $13,201.42 |
| Year 2 | $14,800.00 | $1,834.27 | $16,634.27 |
| Year 3 | $17,200.00 | $3,115.28 | $20,315.28 |
| Year 4 | $19,600.00 | $4,662.39 | $24,262.39 |
| Year 5 | $22,000.00 | $6,494.83 | $28,494.83 |
| Year 6 | $24,400.00 | $8,633.24 | $33,033.24 |
| Year 7 | $26,800.00 | $11,099.74 | $37,899.74 |
| Year 8 | $29,200.00 | $13,918.03 | $43,118.03 |
| Year 9 | $31,600.00 | $17,113.55 | $48,713.55 |
| Year 10 | $34,000.00 | $20,713.58 | $54,713.58 |
Ad space · responsive
How to use Compound Interest Calculator
- Enter the starting amount, yearly rate and number of years.
- Choose how often interest compounds and add a monthly deposit if you make one.
- Read the final balance and the year-by-year table.
Good to know
- Results are estimates for planning, not financial advice.
- Real returns vary; this assumes a constant rate and no fees or tax.
Privacy
Runs entirely in your browser. Nothing you enter or open here is uploaded.
Questions
What does compounding frequency change?
More frequent compounding earns interest on interest sooner. Monthly beats yearly slightly; daily adds very little more.
What is the effective yearly rate?
The rate you'd need with yearly compounding to end up with the same amount.