Compound growth calculator
The eighth wonder of the world, in chart form. Adjust the monthly amount and the years — then notice which one moves the result more.
Balance after 30 years
$252,111
You contributed
$73,000
Growth earned
$179,111
Your money earned more than you put in — that's compounding doing the heavy lifting.
Year 1 Contributions GrowthYear 30
Year-by-year table
| Year | Contributed | Growth | Balance |
|---|---|---|---|
| 1 | $3,400 | $151 | $3,551 |
| 2 | $5,800 | $486 | $6,286 |
| 3 | $8,200 | $1,019 | $9,219 |
| 4 | $10,600 | $1,764 | $12,364 |
| 5 | $13,000 | $2,736 | $15,736 |
| 6 | $15,400 | $3,952 | $19,352 |
| 7 | $17,800 | $5,430 | $23,230 |
| 8 | $20,200 | $7,188 | $27,388 |
| 9 | $22,600 | $9,246 | $31,846 |
| 10 | $25,000 | $11,627 | $36,627 |
| 11 | $27,400 | $14,353 | $41,753 |
| 12 | $29,800 | $17,450 | $47,250 |
| 13 | $32,200 | $20,944 | $53,144 |
| 14 | $34,600 | $24,864 | $59,464 |
| 15 | $37,000 | $29,241 | $66,241 |
| 16 | $39,400 | $34,109 | $73,509 |
| 17 | $41,800 | $39,501 | $81,301 |
| 18 | $44,200 | $45,457 | $89,657 |
| 19 | $46,600 | $52,017 | $98,617 |
| 20 | $49,000 | $59,224 | $108,224 |
| 21 | $51,400 | $67,126 | $118,526 |
| 22 | $53,800 | $75,773 | $129,573 |
| 23 | $56,200 | $85,218 | $141,418 |
| 24 | $58,600 | $95,520 | $154,120 |
| 25 | $61,000 | $106,740 | $167,740 |
| 26 | $63,400 | $118,944 | $182,344 |
| 27 | $65,800 | $132,204 | $198,004 |
| 28 | $68,200 | $146,597 | $214,797 |
| 29 | $70,600 | $162,203 | $232,803 |
| 30 | $73,000 | $179,111 | $252,111 |
Want the why behind the math? Read Compound growth — why starting at 22 beats starting at 32.