Retirement Calculator

See how saving and withdrawals could shape your retirement fund. Estimate your balance at retirement, test a monthly income target, and see when your savings may run short under the assumptions you choose.

Separate pre- and post-retirement returns • Inflation-aware withdrawals • Annual and monthly schedules

Your retirement plan

Used as the end of the projection, not a life expectancy estimate.
Formatting only; no currency conversion.
Enter any employer match or regular employer deposit.
The model adjusts this amount for inflation until and during retirement.
Pension, public benefits, annuity income, rental income, or other regular income.
Used to adjust retirement withdrawals and show today’s-money values.
Monthly contribution rises once per year before retirement.

Returns are constant assumptions, not guaranteed results. Taxes and changing market returns are not included. Enter employer contributions and other retirement income separately.

How to use this retirement calculator

Enter your age, planned retirement age, the age through which you want to project, current savings, personal and employer contributions, expected annual returns before and after retirement, a total monthly income target, and other retirement income in today’s money. The calculator applies separate return assumptions to the saving and withdrawal phases. You can view annual summaries or every monthly period.

How contributions and withdrawals are modeled

Before retirement, the model applies the pre-retirement annual return as a monthly equivalent and adds your personal contribution and employer contribution at the beginning or end of each month. At the retirement age, contributions stop and the post-retirement return is applied. The portion of planned income not covered by other retirement income is withdrawn monthly from savings at the end of each month. If the account cannot cover a withdrawal, the shortfall is recorded and the projected balance remains at zero.

View formulas and assumptions

An effective annual return R is converted to a monthly return r = (1 + R)1/12 − 1. Each month the balance earns the phase-specific return, the account fee is deducted proportionally, and then a contribution or withdrawal is applied according to the phase and timing selected.

The retirement income target and other retirement income entered in today’s money are increased by the estimated inflation rate each year from the current age through retirement and afterward. Today’s-money balances are estimated by dividing each future balance by (1 + inflation)years since current age. Fees are modeled as an annual percentage of account balance, applied monthly.

Understanding the results

The 4% guideline balance divides the first projected year’s portfolio withdrawal by 4%. It is a comparison benchmark, not a guarantee or personalized safe-withdrawal recommendation.

  • Savings at retirement: projected account balance when contributions stop.
  • Total contributed: current savings plus monthly deposits before retirement.
  • Portfolio withdrawals funded: total amount paid from savings after subtracting other retirement income.
  • Withdrawal shortfall: planned income the projected balance could not cover.
  • Balance at plan age: estimated savings remaining at the selected final age.

Example: planning a monthly retirement income

Suppose you are 35, plan to retire at 65, and want to plan through age 90. Enter your current savings, planned monthly contributions, and separate return assumptions for the two phases. A ,000 monthly retirement-income target in today’s money is increased for inflation over the 30 years before retirement and throughout retirement. Change the assumptions to see how the projected balance and potential shortfall respond.

Questions and limitations

How are pensions, public benefits, and employer contributions handled?

Enter regular employer deposits in the employer-contribution field. Enter pensions, public benefits, annuity income, rental income, or similar regular income in the other-retirement-income field. These amounts reduce the withdrawal required from savings.

Does a positive projected balance mean I can safely retire?

No. Returns, inflation, taxes, spending, and lifespan are uncertain. The model uses constant return assumptions and cannot guarantee that savings will last. Consider testing lower returns, higher inflation, and a longer planning age.

Are taxes or required withdrawals included?

No. Tax treatment, withdrawal rules, public benefits, and retirement-account regulations depend on the country and account type.

Are my inputs saved?

The calculator performs the projection in your browser. Website hosting and other installed plugins may have separate analytics and privacy practices.

For general education only. This is not financial, tax, or investment advice.