How to use this retirement calculator
Enter your age, planned retirement age, current savings, monthly contribution, expected return, inflation, and desired annual spending. The calculator estimates a target nest egg and projected savings.
Try more than one scenario. A conservative return, a later retirement age, a higher monthly contribution, or a smaller spending target can change the gap quickly. Seeing those tradeoffs side by side is often more useful than treating one projection as certain.
What the target nest egg means
The target uses your inflation-adjusted spending and withdrawal-rate assumption. A lower withdrawal rate usually requires more savings, while a higher rate may increase risk of running short.
The withdrawal-rate field is a simplified planning assumption, not a guarantee. Real retirement income can include Social Security, pensions, part-time work, taxable accounts, tax-advantaged accounts, home equity, or other resources that this simple estimate does not model.
Assumption
Lower value usually means
Higher value usually means
Investment return
Slower projected growth and a larger gap.
Faster projected growth, with more market-risk sensitivity.
Inflation
Lower future spending target.
Higher future spending target for the same lifestyle.
Withdrawal rate
Larger target nest egg.
Smaller target, but potentially more shortfall risk.
Retirement age
Fewer saving years and more years to fund.
More saving years and fewer retirement years.
What this calculator does not include
This estimate does not include Social Security, pensions, taxes, required minimum distributions, healthcare costs, sequence-of-return risk, or account-specific contribution limits.
It also does not know your investment mix. A projected annual return may be reasonable for one portfolio and unrealistic for another. If you are using this for real planning, compare the estimate with your account statements and the assumptions used by your retirement plan provider.
For higher-stakes planning, review the estimate with a qualified financial professional and run downside scenarios. A plan that works only with strong market returns, low inflation, and no healthcare surprises may need more margin.
Common retirement planning mistakes
Common mistakes include ignoring inflation, stopping at the employer match when more saving may be needed, underestimating healthcare costs, or assuming every year of retirement spending will look the same.
Another common issue is focusing only on the final nest egg and not on the habit that gets you there. Increasing the monthly contribution gradually can sometimes be easier than making one large change all at once.
How often should you revisit the estimate?
Review your retirement estimate after major income changes, market swings, account rollovers, debt payoffs, family changes, or at least once a year. The goal is not perfect prediction; it is keeping your savings plan visible enough that you can adjust before the gap becomes harder to close.