Retirement Calculator
Find out if you're saving enough to retire comfortably.
Project Retirement Nest Egg & Monthly Income
Achieving financial independence and retiring comfortably requires projecting decades of financial variables. Estimating your future retirement nest egg depends on your current savings, monthly savings discipline, expected portfolio returns, inflation rates, and retirement withdrawal timeline.
Model your retirement trajectory below. Adjust your current age, planned retirement age, savings contributions, and expected monthly expenses to ensure your financial runway lasts a lifetime.
Total Savings at 65
$0
Inflation Adjusted: $0
Est. Monthly Income
$0
Using the 4% withdrawal rule.
Projected Savings Growth
Retirement Planning & Withdrawal Rules FAQ
Retirement projections rely on long-term historical market averages. For editorial guidance on building wealth, read our Comprehensive Retirement Guide.
What is the 4% retirement withdrawal rule?
The 4% rule is a safe withdrawal benchmark established by the Trinity Study. It suggests withdrawing 4% of your total retirement portfolio value during your first year of retirement, then adjusting that dollar amount annually for inflation, to ensure your savings last at least 30 years.
How does inflation affect my retirement target?
Due to inflation, $100,000 today will buy significantly less in 25 years. Our calculator adjusts future projections to reflect purchasing power copy in today's dollars.
What rate of return should I assume for retirement savings?
Financial planners typically assume a nominal long-term stock market return of 7% to 8% annually for diversified portfolios, or 5% to 6% after adjusting for inflation.
How This Retirement Calculator Helps You Plan
Figuring out whether you have enough money to leave the workforce is one of the most critical financial decisions you will make. This retirement calculator is built for professionals, families, and individuals who want a clear, mathematically sound projection of their future nest egg. Rather than guessing if your current saving habits are sufficient, you can model exact scenarios to see where you stand.
The real value of this tool lies in testing variables. If your projected balance falls short of what you need to live comfortably, you can immediately see the impact of delaying your retirement by two years, increasing your monthly contributions by a few hundred dollars, or tweaking your investment strategy to target a slightly higher return. It transforms abstract anxiety about the future into a concrete action plan.
How to Use This Calculator
- Current Age: Enter your age right now. This establishes the starting line for your investment timeline.
- Retirement Age: Input the age at which you plan to stop working. The difference between this and your current age determines how many years your money has to grow.
- Current Savings: Provide the total balance of your existing retirement accounts, such as 401(k)s, IRAs, and other dedicated investments.
- Monthly Contribution: Enter the amount you plan to save every month from now until you retire. Include any employer match in this figure.
- Expected Return Rate: Input the annualized percentage growth you expect from your investments. A common benchmark for a diversified stock and bond portfolio is between 5% and 8%.
Understanding the Retirement Growth Formula
The calculator determines your future balance using the compound interest formula combined with the future value of an annuity. In plain English, it calculates the growth of the money you already have, plus the growth of the new money you add every month.
Future Value = [P × (1 + r)^n] + [PMT × (((1 + r)^n - 1) / r)]
- P (Principal): Your Current Savings.
- PMT (Payment): Your Monthly Contribution.
- r (Rate): Your Expected Return Rate divided by 12 (to find the monthly rate).
- n (Number of Periods): The number of years until retirement multiplied by 12 (total months).
A Fully Worked Example
Let’s look at a realistic scenario. Suppose you are 35 years old, plan to retire at 65, and already have $50,000 saved. You decide to contribute $500 per month and expect a conservative 7% annual return on your investments.
| Variable | Value |
|---|---|
| Current Age | 35 |
| Retirement Age | 65 |
| Years to Grow | 30 Years |
| Current Savings | $50,000 |
| Monthly Contribution | $500 |
| Expected Return Rate | 7% |
| Projected Total at Age 65 | $988,963 |
Practical Insights and Mistakes to Avoid
- Forgetting to account for inflation: A million dollars in thirty years will not have the same purchasing power as it does today. Consider using a slightly lower expected return rate (e.g., 5% instead of 8%) to estimate your returns in "today's dollars" after accounting for average inflation.
- Ignoring the employer match: If your company offers a 401(k) match, make sure to include those funds in your Monthly Contribution field. Failing to capture this free money significantly undersells your potential trajectory.
- Being too aggressive with expected returns: While the stock market has historically returned around 10% before inflation, projecting a steady 10% can be risky. Using a conservative estimate protects you against extended market downturns right before you retire.
- Underestimating healthcare costs: Many people base their retirement goals strictly on housing and food. Medicare does not cover everything, and out-of-pocket medical expenses often become the largest line item for retirees.
Frequently Asked Questions
What is a realistic expected return rate to use?
For a diversified portfolio of stocks and bonds, a realistic expected return rate is typically between 5% and 8% per year. If you want to view your final balance in terms of current purchasing power, subtract an estimated 2% to 3% for inflation, leaving a real return rate of 4% to 6%.
How much of my income should I be saving each month?
Financial experts generally recommend saving 15% of your gross income for retirement. This percentage should include any matching contributions from your employer. If you are starting later in life, you may need to increase that rate to 20% or more to catch up to your required nest egg.
Does this calculator factor in taxes?
No, this calculator projects your gross portfolio value. Your actual take-home income in retirement will depend on whether your funds are in traditional, tax-deferred accounts (like a standard 401(k)) or post-tax accounts (like a Roth IRA). Always consult a tax professional to understand your future tax liabilities.
What happens if I stop contributing for a few years?
Stopping contributions pauses the "new money" entering your accounts, but your existing balance will continue to compound. However, missing out on several years of contributions—especially early in your career—can drastically reduce your final balance due to the lost potential for decades of compounding interest.
Related Resources
Disclaimer: The results provided by this calculator are estimates based on the information you provide and hypothetical growth rates. They do not constitute financial, investment, or tax advice. Actual market returns will fluctuate, and inflation or tax laws may change. Always consult with a certified financial planner or qualified professional before making major financial decisions.