Retirement Calculator

Estimate how much you need for retirement and whether your current savings rate keeps you on track. Project nest-egg growth and retirement income.

Stay On Track

Adjust your contributions, expected return, and retirement age to close any gap between your projected and required savings.

Planning Your Retirement Savings

Retirement planning requires estimating how much you need to save based on your desired retirement lifestyle, expected expenses, and income sources. The widely used 4 percent rule suggests you need 25 times your annual retirement spending saved to sustain withdrawals for 30 years. Our calculator factors in current savings, monthly contributions, expected investment returns, inflation, and your target retirement age to project whether you are on track to meet your goals.

Key Variables in Retirement Planning

The most impactful variables are time until retirement, savings rate, and investment returns. Starting 10 years earlier can double your retirement savings due to compound growth. Increasing your savings rate by just 5 percent of income adds significantly to your nest egg. Expected returns depend on your asset allocation between stocks, bonds, and other investments. Conservative assumptions of 5 to 6 percent after inflation provide more reliable projections than optimistic estimates.

Retirement Income Sources

Most retirees rely on multiple income streams including government benefits, employer pensions, personal savings withdrawals, and potentially part-time work. Government benefits typically replace 30 to 40 percent of pre-retirement income. The gap between benefits and your desired income must come from personal savings. Our Retirement Planning Guide provides comprehensive strategies for maximizing each income source and creating a sustainable withdrawal plan.

The Impact of Starting Age

The age at which you begin saving for retirement dramatically affects your required savings rate. Starting at 25 with a 15 percent savings rate can produce a comfortable retirement fund by 65. Waiting until 35 requires approximately 25 percent savings rate for the same outcome. Starting at 45 may require 40 percent or more of income, which is impractical for most people. This stark difference illustrates why even small early contributions matter enormously. Our calculator shows these scenarios clearly, motivating early action regardless of the amount you can initially contribute.

Frequently Asked Questions

How much do I need to retire?

A common rule of thumb is that you will need enough savings to replace roughly 70–80% of your pre-retirement income each year, though your real number depends on your lifestyle, expected expenses, and other income such as pensions or social security. Another popular guideline, the 4% rule, suggests you can withdraw about 4% of your nest egg in the first year of retirement and adjust for inflation thereafter. Use the calculator to estimate the savings target that supports your desired annual retirement income.

What is the 4% rule?

The 4% rule is a guideline suggesting that retirees can withdraw 4% of their portfolio in the first year of retirement, then increase that amount with inflation each year, with a reasonable chance the money lasts about 30 years. It is a starting point, not a guarantee — market conditions, fees, and longevity all affect the real safe withdrawal rate. Many planners now treat 4% as flexible, adjusting spending in poor market years to protect the portfolio.

Why should I start saving for retirement early?

Because of compounding, money saved in your twenties and thirties has decades to grow, so each dollar contributed early can become several dollars by retirement. Starting late means you must save far more each month to reach the same goal, since you lose years of growth. Even small, consistent contributions begun early often outperform much larger contributions started later — a difference you can see by changing the start age in the calculator.

How does inflation affect my retirement plan?

Inflation steadily reduces the purchasing power of money, so a fixed sum buys less in the future than it does today. A retirement target that ignores inflation will understate how much you actually need. Sound planning either inflates your future expense estimate or expresses goals in today's money and assumes returns above inflation. Keeping inflation in mind ensures your projected nest egg still supports your intended lifestyle decades from now.

Am I saving enough each month?

The calculator answers this by comparing your projected savings at retirement with the target your desired income requires. If there is a shortfall, you can close it by increasing monthly contributions, retiring slightly later, adjusting your return assumptions, or planning for lower expenses. Testing these levers shows the smallest realistic change that puts you back on track.