Final balance
$63,367.82
Xepoca Calculator
Compound Interest Calculator
Estimate investment growth with recurring monthly contributions, multiple compounding frequencies, and optional inflation adjustment.
Investment details
Total contributions
$40,000.00
Interest earned
$23,367.82
Real value after inflation
$49,502.84
Growth over time
Effective annual return: 7.23%
━━ Final balance━━ Contributions
Yearly breakdown
| Year | Deposits | Interest | Balance |
|---|---|---|---|
| 1 | $3,000.00 | $821.05 | $13,821.05 |
| 2 | $3,000.00 | $1,097.27 | $17,918.32 |
| 3 | $3,000.00 | $1,393.46 | $22,311.78 |
| 4 | $3,000.00 | $1,711.07 | $27,022.85 |
| 5 | $3,000.00 | $2,051.63 | $32,074.48 |
| 6 | $3,000.00 | $2,416.81 | $37,491.29 |
| 7 | $3,000.00 | $2,808.39 | $43,299.69 |
| 8 | $3,000.00 | $3,228.28 | $49,527.97 |
| 9 | $3,000.00 | $3,678.53 | $56,206.50 |
| 10 | $3,000.00 | $4,161.32 | $63,367.82 |
Frequently asked questions
What is compound interest?
Compound interest is interest calculated on both the original principal and previously earned interest.
How are monthly contributions handled?
This calculator adds each monthly contribution after that month's growth calculation.
Does compounding frequency matter?
Yes. More frequent compounding can produce a slightly higher effective annual return when the nominal rate stays the same.
What does real value after inflation mean?
It estimates the future balance in today's purchasing-power terms using the inflation rate you enter.
Are the results guaranteed?
No. The calculator provides estimates based on constant inputs and does not predict actual investment performance.