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Investment Return Calculator

Project how a portfolio could grow after contributions, fees, inflation, and taxes, not just a raw compounding estimate.

Quick answer: Investment return is ending value minus contributions, adjusted for fees and time. Use this calculator to estimate future value from starting balance, contributions, return rate, and horizon.

SWReviewed by SwitchWize Research Desk · Last reviewed June 23, 2026
Future Portfolio Value
$444,842
Future Portfolio Value
$444,842
Net Annual Return
6.75%
Total Contributions
$170,000
Investment Gain
$274,842
Portfolio value components
$444,842total
Contributions$170,000
Investment gain$274,842
Total$444,842
After-Tax Value
$403,616
Today's-Dollar Value
$246,315
Diagnostic

At a 6.75% net return, your portfolio projects to $444,842.

After taxes and inflation, that is roughly $246,315 in today's dollars.

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Historical range of outcomes

Runs 2,000 randomized simulations drawn from 1928–2025 market returns.

What to do next

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Your action plan
  1. 1

    Calculate the baseline result with your current numbers

    Project portfolio growth from starting balance, contributions, return assumptions, fees, inflation, and taxes.

  2. 2

    Check the assumptions before using the result for a high-stakes decision

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

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This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

Calculator action path

Turn this result into a decision

Every SwitchWize calculator connects to a product comparison, rate context, guidance, alerts, and Money Map.

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Frequently Asked Questions

Everything you need to know.

How much do investment fees really cost over time?
More than most people expect, because a fee doesn't just reduce this year's return, it reduces the base that compounds every year after. This calculator's fee input shows the cumulative drag on your specific balance and time horizon rather than a generic estimate.
Should I use a real (inflation-adjusted) or nominal return?
Both have a use: nominal shows the account balance you'll actually see, while the inflation-adjusted figure shows what that balance can actually buy. This calculator reports both so you can judge growth in the terms that matter for your goal.
Does this account for taxes on investment growth?
Yes, if you enter a tax rate. Since the right rate to use depends on whether the account is tax-advantaged, taxed annually, or only taxed on withdrawal, this calculator lets you apply your own assumption rather than guessing which applies to you.
Is the Investment Return Calculator free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Investment Return Calculator affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to compare investing accounts, or run Money Map to compare this investing & retirement decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (brokerage) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

A simple compound-interest projection ignores fees, inflation, and taxes, all of which meaningfully shrink real, spendable returns over time. A recurring annual fee doesn't just reduce this year's return, it reduces the base that compounds every year after, which can cost tens of thousands of dollars over a multi-decade horizon. Seeing the projection after these real drags is a more honest picture of what a portfolio will actually be worth than a gross return number.

How to Use It

  1. 1Enter your starting balance, planned contributions, and expected annual return
  2. 2Add your expected fee percentage and an inflation assumption
  3. 3Include your tax rate if the account isn't tax-advantaged
  4. 4Compare the gross projection against the fee-and-inflation-adjusted result to see the real gap
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