Finance

Retirement Savings Calculator

Project retirement savings growth from a starting balance, recurring contributions, annual return, and years until retirement.

Last reviewed: April 30, 2026Free toolMethodology

Retirement Savings Calculator

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These fields start with sample inputs. Keep them or replace them, then run the tool to show a fresh result.

Number fields accept plain values and common formatted input such as 250000, 250,000, or 1,234.56.

Result

Calculating the sample result.

Why it matters

Retirement planning usually starts with a simple projection, and users need to understand how time and contribution level interact.

When to use

  • Estimating a long-term account balance
  • Comparing contribution increases
  • Showing the value of starting earlier

Inputs & Outputs

Inputs

  • Current balance is the amount already saved.
  • Annual contribution is the amount added each year.
  • Annual return is the assumed long-term growth rate.
  • Years to retirement is the time horizon for the projection.

Outputs

  • Projected balance shows the estimated retirement pot under the chosen assumptions.
  • Total contributions and investment growth separate what you put in from what the portfolio generated.

Long-horizon compounding with contributions

Project the current balance forward at the annual return, then add the future value of recurring yearly contributions across the retirement horizon.

Retirement value = current balance growth + contribution annuity growth

Worked example

1

Contribution review

A saver has 85,000 today, contributes 12,000 per year, assumes a 6.5% annual return, and has 22 years until retirement.

Inputs

  • Current balance: 85,000
  • Annual contribution: 12,000
  • Return: 6.5%
  • Years: 22

Steps

  • Project the current balance forward
  • Add the future value of annual contributions

Result

  • The calculator estimates the balance available at retirement under the selected assumptions.

Edge cases & caveats

  • Returns and contribution patterns are unlikely to be perfectly smooth in real life.
  • Taxes, withdrawals, and account fees are not modeled here.

Frequently Asked Questions

Why is time so powerful in retirement saving?

Because long horizons allow gains to compound repeatedly, which often matters as much as the contribution amount.

Should I use a conservative return assumption?

That is usually sensible for planning. A lower rate can help avoid overestimating the future balance.

Keep going

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