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Retirement Savings Calculator
Estimate retirement capital and the required monthly contribution in today’s money, allowing for other retirement income.
- Required monthly contribution
- 339.31
- Required retirement capital
- 317,723.41
- Future value of current savings
- 121,363.12
How the calculation works
Required capital is the present value of monthly withdrawals. Savings grow at a real return; monthly contributions cover the gap at retirement.
Inputs
- Current age
- Retirement age
- Years in retirement
- Current savings
- Monthly retirement spending
- Other monthly retirement income
- Real annual return, %
Calculation details
All amounts are in today’s money. Enter a return after inflation, taxes, and fees.
Enter public pension income separately. A constant return does not model market volatility, longevity risk, or guarantee income.
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Updated: 2026-10-02