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Retirement Calculator

Estimate retirement savings from current balance, contributions, and expected returns.

2 min to complete 74/100 popularityFree · No sign-up
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Last updated June 3, 2026 Formula reviewed June 3, 2026Review methodology

Retirement Calculator

Estimate retirement savings from current balance, contributions, and expected returns. Adjust the assumptions, review the output, and use the recommendations below to compare products or plan the next step.

Your result

At 6.0% annual growth, the investment could reach $958,567.

Future value$958,567
Total contributed$345,000
Interest earned$613,567
Time horizon25 years

Future value sources

Contributions345,000
Growth613,567
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How this calculator works

We grow your current savings and ongoing contributions at an assumed real rate of return until your target retirement age, then check it against a sustainable withdrawal rate.

Formula transparency
Income ≈ 0.04 × (current(1+r)^t + C · ((1+r)^t − 1)/r)

Nest egg = current · (1 + r)^t + annual_contribution · ((1 + r)^t − 1) / r. Sustainable annual income ≈ nest egg × 0.04 (4% rule).

FAQ

How accurate is the Retirement Calculator?

The Retirement Calculator is a planning tool. It uses your inputs and standard formulas, but final decisions should include taxes, fees, vendor pricing, and professional advice where relevant.

Can I share or embed this calculator?

Yes. Use the share button or embed code on the page to reference the tool from an article, client report, or website.

What should I do after using this calculator?

Compare the estimate against real products, pricing pages, and your own historical data before choosing a vendor or budget.

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