Investment Portfolio Calculator
Comprehensive investment calculator. Project future value with compound interest, dividend reinvestment, and regular contributions. Compare lump sum vs DCA, calculate Rule of 72 doubling time, and see tax-adjusted returns for different account types.
Inputs
Amount invested each month
Historical S&P 500 average is ~10%, after inflation ~7%
How long you plan to invest
Summary
Future Value
$302,704.11
Inflation-Adjusted Value
$184,731.53
Portfolio Growth Over Time
Growth Breakdown
Lump Sum vs DCA
After-Tax by Account Type
Year-by-Year Projection
20 rows| Year | Contributions | Balance | Growth | Dividends | Real Value |
|---|---|---|---|---|---|
| 1 | $16,000 | $16,957 | $682 | $274 | $16,543 |
| 2 | $22,000 | $24,417 | $1,724 | $692 | $23,240 |
| 3 | $28,000 | $32,416 | $3,151 | $1,266 | $30,102 |
| 4 | $34,000 | $40,995 | $4,991 | $2,005 | $37,140 |
| 5 | $40,000 | $50,195 | $7,274 | $2,922 | $44,365 |
| 6 | $46,000 | $60,061 | $10,032 | $4,029 | $51,791 |
| 7 | $52,000 | $70,641 | $13,299 | $5,342 | $59,428 |
| 8 | $58,000 | $81,987 | $17,113 | $6,874 | $67,290 |
| 9 | $64,000 | $94,154 | $21,513 | $8,641 | $75,391 |
| 10 | $70,000 | $107,201 | $26,541 | $10,660 | $83,745 |
| 11 | $76,000 | $121,193 | $32,242 | $12,951 | $92,367 |
| 12 | $82,000 | $136,197 | $38,666 | $15,531 | $101,270 |
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