Retirement Age Calculator - Find Exactly What Age You Can Afford to Retire
The what age can I retire calculator savings and expenses approach lets your actual financial picture determine your retirement age rather than cultural norms. Retirement Age = Current Age + Years to reach FI Number.
The Formula Explained
Required Nest Egg = (Annual Expenses - Guaranteed Income) / Safe Withdrawal Rate. Solve for n where: Required Nest Egg = Current Savings x (1+r)^n + Annual Contributions x [((1+r)^n - 1) / r]. Retirement Age = Current Age + n.
Worked example: Jennifer is 44, has $195,000, contributes $15,000/year, expects 7 percent, needs $68,000/year with $24,000 Social Security. Required Nest Egg: $1,100,000. She reaches this at approximately age 62.
| Current Age | Current Savings | Annual Contribution | Portfolio Withdrawal Need | Projected Retirement Age |
|---|---|---|---|---|
| 35 | $80,000 | $12,000 | $40,000/yr | Age 57 |
| 40 | $150,000 | $15,000 | $45,000/yr | Age 60 |
| 45 | $220,000 | $18,000 | $50,000/yr | Age 63 |
| 55 | $520,000 | $25,000 | $50,000/yr | Age 66 |
How to Use This Calculator on CalcAdvisor.com
Access the full calculator at https://www.calcadvisor.com/calculators/retirement-age-calculator.
3 Real-World Examples
Example 1: Marcus, 38, Targeting Early Retirement at 55
Marcus earns $105,000, has $145,000 saved, saves $22,000/year. Required Nest Egg at 55 (3.5 percent): $2,057,143. Projected at 55: $1,238,064. Gap: $820,000. His projected retirement age at current pace is 63 to 64.
Example 2: Carol, 54, Comparing Retirement at 62 vs 65
At 62: projected $1,152,699 exceeds Required Nest Egg ($976,000) - works. At 65: $1,482,037 provides very comfortable buffer. Carol can retire at 62 with a reasonable cushion, or at 65 with a very comfortable buffer.
Example 3: The Petersons, 49, Mismatched Retirement Timelines
David wants to retire at 60; Ellen at 67. David's projected share at 60: $1,219,000. His Required Nest Egg (3.5 percent): $1,428,571. Gap: $209,000. Working until 62 adds exactly enough to close the gap.
Common Mistakes to Avoid
- Picking a retirement age based on Social Security eligibility rather than financial readiness.
- Not accounting for the pre-Social Security income gap.
- Underestimating retirement expenses.
- Not factoring in the impact of retiring on employer benefits.
- Using a single retirement age for both spouses without modeling the differences.
- Assuming investment returns will be smooth and consistent.
- Ignoring the psychological and identity dimensions of retirement timing.
Final Thoughts
Find your personal retirement age today at https://www.calcadvisor.com/calculators/retirement-age-calculator.