📈 Investment Calculator
Project investment growth with compound interest
Final Value
$302,370
Total Contributions
$130,000
Total Interest Earned
$172,370
Step-by-Step
Initial Investment: $10,000
Monthly Contribution: $500 × 12 months × 20 years = $120,000
Total Contributed: $130,000
Interest Earned: $172,370
Final Balance: $302,370
Interest is 133% of your total contributions
| Year | Contributions | Interest | Balance |
|---|---|---|---|
| 1 | $16,000 | $955 | $16,955 |
| 2 | $22,000 | $2,413 | $24,413 |
| 3 | $28,000 | $4,411 | $32,411 |
| 4 | $34,000 | $6,986 | $40,986 |
| 5 | $40,000 | $10,182 | $50,182 |
| 6 | $46,000 | $14,042 | $60,042 |
| 7 | $52,000 | $18,614 | $70,614 |
| 8 | $58,000 | $23,952 | $81,952 |
| 9 | $64,000 | $30,108 | $94,108 |
| 10 | $70,000 | $37,144 | $107,144 |
| 11 | $76,000 | $45,122 | $121,122 |
| 12 | $82,000 | $54,110 | $136,110 |
| 13 | $88,000 | $64,182 | $152,182 |
| 14 | $94,000 | $75,416 | $169,416 |
| 15 | $100,000 | $87,895 | $187,895 |
| 16 | $106,000 | $101,710 | $207,710 |
| 17 | $112,000 | $116,958 | $228,958 |
| 18 | $118,000 | $133,742 | $251,742 |
| 19 | $124,000 | $152,173 | $276,173 |
| 20 | $130,000 | $172,370 | $302,370 |
How to Use Investment Calculator
- 1Enter your initial investment and monthly contribution.
- 2Set the expected annual return rate and time period.
- 3View the projected portfolio value and a growth chart over time.
About Investment Calculator
Project the future value of your investments with compound interest, regular contributions, and adjustable return rates. This investment calculator visualizes growth over time to help you plan for retirement or any financial goal.
Frequently Asked Questions
What return rate should I use?
The historical average for the S&P 500 is about 10% before inflation (7% after). Use a conservative estimate for planning purposes.
Does it account for inflation?
You can enter an inflation rate to see results in today's dollars, giving you a more realistic picture of future purchasing power.