finance ToolUpdated 2026-09-19

Retirement Calculator

Estimate how much money you will accumulate by your target retirement age and how much monthly income it can sustain.

Financial & Loan Estimation Notice: Calculations provided are estimates for personal educational planning. Actual loan terms, payment amounts, taxes, and interest charges will vary based on lender underwriting, individual creditworthiness, local statutory regulations, and market conditions.

Formula & Mathematical Methodology

Compound Annuity Growth

Projects long-term compounding across pre-retirement accumulation years.

How to Use This Retirement Calculator

Enter current savings, expected rate of return, years to retirement, and monthly deposit.

Step-by-Step Worked Example

Scenario: $50,000 initial + $600/month at 7.5% for 25 years

1. Initial $50,000 grows to: $304,917.47

2. Monthly $600 deposits grow to: $526,456.91

3. Total Nest Egg: $831,374.38

Final Calculated Result: $831,374.38

What Does Your Result Mean?

At a standard 4% annual safe withdrawal rate, an $831,374 nest egg supports roughly $33,254/year in passive income.

Common Practical Applications:

401(k) and IRA milestone tracking
FIRE (Financial Independence, Retire Early) planning

Important Limitations & Assumptions:

Does not include future inflation or taxes on traditional account withdrawals.

Frequently Asked Questions

What is the 4% rule in retirement?

A common rule of thumb suggesting retirees can withdraw 4% of their portfolio in year one, adjusted for inflation thereafter, with low risk of running out of money over 30 years.