Free Retirement Calculators
Plan your retirement with confidence using our suite of free calculators. From Monte Carlo simulations to Social Security optimization — everything you need to build a secure financial future.
All calculators are 100% free — no signup required. Upgrade to Pro or Premium for advanced charts, AI advice, and estate planning tools.
Retirement Calculator
Calculate how much you need to retire comfortably using Monte Carlo simulations with 95% confidence intervals. Factor in savings, contributions, and expected returns.
- ✓ Monte Carlo simulation
- ✓ Savings projections
- ✓ Retirement age planning
Social Security Calculator
Estimate your Social Security benefits based on claiming age. Compare early vs. delayed claiming strategies to maximize your lifetime benefits.
- ✓ Claiming age comparison
- ✓ Lifetime benefit estimate
- ✓ Break-even analysis
401(k) Calculator
Project your 401(k) growth over time. See the power of compound interest and employer matching, and check if you're on track with 2026 contribution limits.
- ✓ Employer match impact
- ✓ Compound growth
- ✓ 2026 contribution limits
Early Retirement (FIRE) Calculator
Find your FIRE number and see when you can retire early. Calculate Coast FIRE, Lean FIRE, and Fat FIRE targets based on your savings rate and expenses.
- ✓ FIRE number
- ✓ Coast FIRE target
- ✓ Savings rate analysis
Retirement Savings by Age
Compare your retirement savings against national benchmarks for your age group. See where you stand and what adjustments to make to catch up or stay ahead.
- ✓ Age-based benchmarks
- ✓ Salary multiple check
- ✓ Percentile ranking
Full Retirement Dashboard
All calculators in one place, plus Monte Carlo simulations, multi-account tracking, tax optimization, and AI-powered advice.
Open Dashboard →Why Use a Retirement Calculator?
A retirement calculator helps you answer the most important financial question: "Will I have enough money to retire?" By modeling different scenarios — varying your savings rate, retirement age, and investment returns — you can build a realistic plan well before you stop working.
RetirePro's calculators go beyond simple projections. Our flagship retirement calculator uses Monte Carlo simulations — running 1,000 randomized market scenarios — to show you the probability of your plan succeeding. This is the same methodology used by professional financial advisors.
Whether you're just starting your career, maximizing your 401(k) contributions, planning to retire early with FIRE, or deciding when to claim Social Security, our tools give you the clarity to make confident decisions.