Retirement Calculator
Project your nest egg with compound growth on current savings and contributions
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Method and assumptions
Current savings and regular contributions are projected over the years until your selected retirement age. The displayed income estimate uses a simplified annual withdrawal percentage.
Worked example
With $0 saved, $500 deposited monthly and 20 years remaining at 0% return, deposits total $120,000. A 4% annual withdrawal assumption would illustrate $4,800 a year, or $400 a month, before taxes.
Understanding the result
Use several return assumptions and compare retirement spending with pensions and Social Security separately. Keep nominal future dollars distinct from today's purchasing power.
What this tool does not tell you
Withdrawal percentages are illustrations, not safe-income guarantees. Inflation, tax, longevity, market sequence risk, contribution limits and changing income needs are not fully modeled.
Separate your savings forecast from your spending needs
The calculator starts with your current age, chosen retirement age, current retirement savings and monthly contribution. The years between those ages determine how long deposits and modeled growth continue. Enter savings already accumulated as the current balance, not as a monthly contribution. If you intend to contribute $6,000 over a full year in equal installments, that corresponds to $500 in the monthly box. The form assumes the same contribution throughout the remaining saving period.
The expected annual return is a scenario input. It is converted to a monthly rate and held constant; it is not a prediction about your account or investments. The calculator does not ask about retirement expenses, pensions, Social Security or other income. Consequently, it cannot tell you whether the projected balance is enough to retire. It answers the narrower question of how the entered savings and contributions grow under one specified set of assumptions.
Check what saving alone would produce
Consider a person aged 45 who selects retirement at 65, enters $50,000 already saved and adds $250 a month. With a zero return assumption, 20 years of contributions add $60,000, producing a projected $110,000 balance. The starting $50,000 is not part of the tool's future-contribution total. Keeping those two amounts separate prevents you from mistaking money already accumulated for new saving that still has to come out of future income.
Under the displayed 4% annual withdrawal illustration, $110,000 corresponds to $4,400 a year, or approximately $366.67 a month before taxes. That multiplication does not establish a safe withdrawal amount. It does not model how long retirement lasts, investment losses during withdrawals or changes in spending. Treat it as a way to understand the scale of the projected balance, not as a promise that the same monthly income can be maintained indefinitely.
Try a later age or a different contribution
Changing only the retirement age gives deposits and growth a different amount of time. Changing only the monthly contribution isolates the effect of saving more. Those comparisons can help you prepare questions for a financial planner without requiring the calculator to make a personal recommendation. Check that the retirement age is later than the current age. The form models the accumulation period before retirement; it is not a drawdown calculator for someone already withdrawing from savings.
Run more than one return scenario and keep the lower result visible alongside the higher one. A long projection can be very sensitive to small changes in the assumed rate. Actual investments do not deliver the same return every month, and fees, taxes and missed contributions can reduce the account balance. Raising the rate in the form does not replace additional saving. A plan that depends on a particular return deserves attention to that dependence, rather than confidence based on the largest output.
How much will those future dollars buy?
The displayed balance is in nominal future dollars. It is not automatically adjusted to today's purchasing power. If retirement is many years away, comparing that balance with today's living expenses can be misleading. Inflation assumptions need to be made separately and labeled clearly, just like return assumptions. The form also does not increase contributions in line with wages or inflation; a fixed $250 monthly input stays $250 throughout the projection.
Build a separate list of expected expenses, income sources and possible taxes before deciding what a retirement balance means for you. Check benefit estimates with the relevant provider rather than inventing an amount to make the projection work. Healthcare, housing and household circumstances may change, but none of those changes is modeled here. Keep the calculator's role modest: it is a transparent savings illustration that can inform a fuller plan, not a retirement-readiness score or an individualized income guarantee.
References and limitations
Department of Labor: retirement income, spending and withdrawal planningThese projections are not financial advice. Read the disclaimer.
Found an error? Send the inputs, result and reference you expected.