How does the Retirement Age Calculator work?

Project balance monthly: B × (1 + r/12) + contribution Then: Count months until balance ≥ target Then: Target = desired annual income × 25 (4% rule) Then: Higher contributions = earlier retirement date.

Can you give an example of how to use the Retirement Age Calculator?

Example: Input Age 35, $50k saved, $1,200/mo, 7% growth, $1M target gives a result of Retirement at approximately age 56 (21 years).

Is the Retirement Age Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Retirement Age Calculator?

Our Retirement Age Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Retirement Age Calculator

Current Age

Current Savings ($)

Monthly Contribution ($)

Retirement Target ($)

Annual Growth Rate (%)

A retirement age calculator projects when savings will reach a target pot based on current balance, monthly contributions, and expected growth rate.

Symbol	Name	Unit	Description
Age	Current age	Years	—
Target	Retirement savings goal	Currency	—
Current	Current retirement savings	Currency	—
AnnualSave	Annual savings rate	Currency	—

Monthly saving	Target $1M at 7% from $50k base
$500	~32 years
$1,000	~23 years
$1,500	~19 years
$2,000	~17 years

References

›Retirement planning — Fidelity

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Retirement Age Calculator

Retirement Age Calculator

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