Investment Tools

Investment Calculator

Project how your investments grow over time. Enter your initial amount, regular monthly contributions, expected return, and time horizon to see your portfolio's future value.

Monthly ContributionsYear-by-Year TableContribution vs ReturnsPortfolio Growth

Configure

Portfolio parameters

$10,000
$0$1,000,000
$500
$0$10,000
8.0%
0.1%30.0%
20 yr
1 yr50 yr
Portfolio value$343,778
Total contributed$130,000
Total returns$213,778
Return on investment164%
Contributions vs Returns62.2% returns
Contributions $130,000 Returns $213,778

Schedule

Year-by-year portfolio growth

YearPortfolio valueTotal investedReturnsGrowth
1$17,055$16,000$1,055
2$24,695$22,000$2,695
3$32,970$28,000$4,970
4$41,932$34,000$7,932
5$51,637$40,000$11,637

How to use the investment calculator

01

Set initial investment

Enter how much you're investing today — this is your starting principal.

02

Add monthly contributions

Regular contributions dramatically boost returns through dollar-cost averaging.

03

See compound growth

Watch your portfolio grow year by year, with the split between contributions and market returns.

Frequently asked questions

What annual return should I assume?

The S&P 500 has historically returned about 10% annually (7% after inflation). A balanced portfolio (60/40 stocks/bonds) has returned roughly 7–8%. Conservative investors often use 5–6% for planning purposes.

How important are regular contributions?

Very important. Adding $500/month to a $10,000 investment at 8% for 20 years grows to ~$320,000 — vs just $46,600 without contributions. Regular investing also smooths out market volatility through dollar-cost averaging.

What is dollar-cost averaging?

Investing a fixed amount regularly means you buy more shares when prices are low and fewer when prices are high. Over time, this typically results in a lower average cost per share than lump-sum investing at random times.

Disclaimer: Projections assume a constant rate of return. Actual investment returns vary and cannot be guaranteed. Past performance does not indicate future results. This is not investment advice.

Support NumeraFin

Use this result, then keep moving to the next tool

If this calculator helped, share it, leave a quick rating, or jump back into the directory for the next decision.

Was this helpful?

Rate this tool

Tap a star to leave a rating.