Summary
Compare future contributions with estimated investment growth over the remaining saving period.
Calculation details
The projection uses monthly compounding and end-of-month contributions from the current age until the retirement age. Inflation, taxes, fees, withdrawals, and changing returns are excluded.
Formula
Projected balance = P(1 + r)^n + C[(1 + r)^n − 1] ÷ r, where n is months until retirement.
Worked example
Age 35 to age 65
$50,000 saved today plus $500 monthly at 6% projects to approximately $803,386 by age 65.
How it works
Enter current and retirement ages along with savings and return assumptions. Retirement age must be later than current age.
Frequently asked questions
What does this retirement projection estimate include?
It uses monthly compounding and excludes inflation, tax, fees, and withdrawals.
When is this retirement projection most useful?
When sketching a contribution-and-growth path to a target retirement age under a constant return.
Are displayed values rounded?
The formula keeps full numeric precision. Values are rounded only when formatted for display.
Can actual results differ?
Yes. Market returns, fees, taxes, inflation, and withdrawals change real retirement balances.