Retire by 40 Calculator: How Much Do You Need Saved?

Retire by 40: You Need $1.25M-$1.67M

To retire at age 40 with $50,000 annual spending, you need $1.25 million to $1.67 million invested. Using the 4% rule: $50,000 / 0.04 = $1.25M. Using a conservative 3% rate for 50+ year retirement: $1.67M. Use our free FIRE calculator for your exact number with your expenses and withdrawal rate.

The FIRE Formula

FIRE Number = Annual Expenses / Safe Withdrawal Rate. SWR is typically 3-4%. For 40+ year retirements, 3-3.5% is recommended. $40K/year needs $1.14M at 3.5%. $60K/year needs $1.71M. Use our retirement calculator to model scenarios.

Monthly Savings Required

Starting at age 25 (15 years to save, 8% returns): $3,613/month to reach $1.25M. At age 30 (10 years): $6,897/month. At 35 (5 years): $17,422/month. Starting 5 years earlier halves your required monthly savings. Use our compound interest calculator to see your growth trajectory.

FAQ

Q: Is retiring by 40 realistic?
A: Yes, with 50-70% savings rate or very high income. Median FIRE achiever saves 60%+ for 10-15 years.

Q: Healthcare before Medicare?
A: Budget $400-$800/month for ACA plans. Add to expenses before calculating FIRE number.