Finance calculators

Social Security Retirement Calculator

Updated Sep 11, 2026 By Infinity Calculator
Your Details
Used to determine your Full Retirement Age (FRA).
$
Your most recently completed tax year's gross income, used as a proxy for lifetime average earnings.
Your Full Retirement Age is 67 years, 0 months. Claiming before this reduces your benefit; claiming after increases it.
Spouse Details
Full Retirement Age is 67 years, 0 months.
$
Advanced Settings
%
Used for inflation-adjusted lifetime projections. The 2.5% default reflects a typical long-run assumption.
%
Cost-of-Living Adjustment applied to projected payments. The default reflects a long-run historical average COLA.

Edit Details
Your Estimated Benefit at Your Chosen Claiming Age (67)
$0/month
Your Full Retirement Age
67 years, 0 months
Claiming AgeMonthly BenefitAnnual Benefitvs. FRA Amount
Explore Your Claiming Age
At age 67: $0/month | $0/year
Spouse Benefit Analysis
Break-Even Analysis
Lifetime Benefit Projection (through age 95)

Wise Tip

Step-by-Step Solution


Introduction

Social Security is one of the biggest sources of income for most retirees in the United States. The age you choose to start collecting your benefits has a major impact on how much money you get each month. Claim too early, and your monthly check shrinks. Wait longer, and it grows.

This free Social Security Retirement Calculator helps you estimate your monthly and annual benefits based on your income, date of birth, and the age you plan to start claiming. It calculates your Full Retirement Age (FRA), shows how early or delayed claiming changes your payment, and runs a break-even analysis so you can see when waiting starts to pay off. If you are married or divorced, the calculator also estimates spousal benefits and helps you compare options as a household.

Enter your details below, pick a claiming age between 62 and 70, and get a clear picture of what your Social Security retirement benefits could look like.

How to Use Our Social Security Retirement Calculator

Enter a few details about your age, income, and when you plan to claim benefits. The calculator will show your estimated monthly and annual Social Security benefit, a full breakdown by claiming age, spousal benefit analysis, break-even comparisons, and a lifetime projection chart.

Date of Birth: Enter the date you were born. This sets your Full Retirement Age, which is the age when you can collect your full benefit with no reduction.

Previous Year's Annual Income (Pre-Tax): Enter your total gross income from last year before taxes. The calculator uses this number to estimate your average earnings and predict your benefit amount.

Marital Status: Choose Single, Married, or Divorced. If you pick Married or Divorced, a spouse section will appear so the calculator can check if you qualify for spousal benefits.

Planned Claiming Age: Pick the age you want to start collecting Social Security. You can claim as early as 62 or as late as 70.1 Use the slider or type a number. Claiming early gives you a smaller monthly check. Waiting gives you a bigger one.

Spouse's Date of Birth: If married or divorced, enter your spouse's or ex-spouse's date of birth. This determines their Full Retirement Age.

Spouse's Previous Year's Annual Income: Enter your spouse's or ex-spouse's gross income from last year. This helps calculate their own benefit and whether spousal benefits apply.

Spouse's Planned Claiming Age: Pick the age your spouse or ex-spouse plans to start collecting benefits, from 62 to 70.

Length of Marriage: This field only appears if you selected Divorced. Choose whether your marriage lasted 10 or more years. You must have been married at least 10 years to qualify for divorced-spouse benefits.5

Annual Inflation Rate: This is the rate used to show your benefits in today's dollars. The default is 2.5%, which is a common long-term estimate. You can change it if you like.

Annual COLA Rate: COLA stands for Cost-of-Living Adjustment. Social Security raises your benefit each year to keep up with prices. The default is 2.3%, based on the historical average. You can adjust this to see how it affects your projection.

Once you have entered your information, click Calculate My Benefits to see your results. You can change any input at any time and the results will update. Click Reset to return all fields to their default values.

How Social Security Retirement Benefits Work

Social Security is a government program that pays you money each month after you retire. You earn these benefits by working and paying Social Security taxes from your paycheck. The more you earn over your career, the higher your monthly payment will be.

When Can You Start Collecting?

You can start getting Social Security retirement benefits as early as age 62, but there is a trade-off. If you claim early, your monthly check will be smaller, and that reduction is permanent. If you wait past your Full Retirement Age (FRA), your check grows bigger each month you delay, up to age 70. Your FRA depends on the year you were born. For most people born in 1960 or later, it is age 67.1

How Your Benefit Is Calculated

The Social Security Administration looks at your highest 35 years of earnings.4 It adjusts those earnings for wage growth, then averages them into a monthly number called your Average Indexed Monthly Earnings (AIME). Your AIME is then run through a formula with set dollar thresholds called bend points. The result is your Primary Insurance Amount (PIA), the monthly benefit you get if you claim exactly at your Full Retirement Age.3

  • Claim before your FRA: Your benefit is reduced by a set percentage for each month you file early. The reduction can be as much as 30% if you claim at 62 with an FRA of 67.1
  • Claim after your FRA: You earn delayed retirement credits of 8% per year until age 70.2 This means your benefit at 70 can be 24% higher than at your FRA.

Spousal and Divorced-Spouse Benefits

If you are married, you may be able to receive up to 50% of your spouse's PIA if that amount is higher than your own benefit.1 If you are divorced, you can still qualify for benefits based on your ex-spouse's record as long as your marriage lasted at least 10 years, you are currently unmarried, and you are at least 62 years old.5

Cost-of-Living Adjustments (COLA)

Each year, Social Security may increase your benefit to keep up with rising prices.8 This is called a Cost-of-Living Adjustment, or COLA. The exact amount changes year to year based on inflation.

Why Your Claiming Age Matters

Choosing when to claim is one of the biggest financial decisions you will make in retirement. Claiming early means more years of payments but a smaller check. Waiting means fewer years of payments but a larger check. A break-even analysis shows which choice pays more over your lifetime based on how long you expect to live.

Social Security is just one piece of the retirement puzzle.


Formulas used

Average Indexed Monthly Earnings (AIME)
\text{AIME} = \frac{\text{Annual Income}}{12}
Primary Insurance Amount (PIA) via Bend Points 3
\text{PIA} = 90\% \times \min(\text{AIME},\,\text{\$1,286}) + 32\% \times \min\bigl((\text{AIME}-\text{\$1,286})^{+},\,\text{\$7,749}-\text{\$1,286}\bigr) + 15\% \times (\text{AIME}-\text{\$7,749})^{+}
Early Claiming Reduction (n months before FRA) 7
\text{Benefit} = \text{PIA} \times \left(1 - \tfrac{5}{9}\% \times \min(n,\,36) - \tfrac{5}{12}\% \times (n - 36)^{+}\right)
Delayed Retirement Credits (d months after FRA, up to age 70) 2
\text{Benefit} = \text{PIA} \times \left(1 + \tfrac{2}{3}\% \times d\right)
Spousal Benefit 7
\text{Spousal Benefit} = 50\% \times \text{PIA}_{\text{higher earner}}
Break-Even Age Between Two Claiming Strategies
\text{Break-Even Age} = \frac{m_2 \times a_2 - m_1 \times a_1}{m_2 - m_1}
Inflation-Adjusted (Real) Annual Benefit Projection
B_t^{\text{real}} = B_0 \times \frac{(1 + \text{COLA})^{t}}{(1 + r)^{t}}

Frequently asked questions

What is Full Retirement Age (FRA)?

Full Retirement Age is the age when you can collect your full Social Security benefit with no reduction. For people born in 1960 or later, FRA is 67.1 For those born between 1955 and 1959, it is between 66 and 67.1 The calculator finds your exact FRA based on your date of birth.

What happens if I claim Social Security at 62?

Age 62 is the earliest you can claim. If your FRA is 67, claiming at 62 cuts your monthly benefit by about 30%.1 This reduction is permanent. You will get smaller checks for the rest of your life, but you will receive payments for more years.

How much more do I get if I wait until 70 to claim?

For each year you delay past your FRA, your benefit grows by 8%.2 If your FRA is 67, waiting until 70 adds 24% on top of your full benefit. Age 70 gives you the highest possible monthly payment. There is no extra credit for waiting past 70.2

What is AIME?

AIME stands for Average Indexed Monthly Earnings. It is your average monthly income based on your highest 35 years of work, adjusted for wage growth.4 The calculator divides your annual income by 12 to estimate this number.

What is PIA?

PIA stands for Primary Insurance Amount. It is the monthly benefit you receive if you claim at exactly your Full Retirement Age. The PIA is calculated by running your AIME through a formula that uses dollar thresholds called bend points.

What are bend points?

Bend points are dollar thresholds in the PIA formula. The first portion of your AIME is replaced at 90%, the next portion at 32%, and anything above the second bend point at 15%.3 This design gives lower earners a higher replacement rate than higher earners.

What is a break-even age?

The break-even age is when the total money you collect by waiting equals the total you would have collected by claiming earlier. If you live past the break-even age, waiting gives you more money overall. If you pass away before it, claiming early would have paid more in total.

Can I collect benefits based on my spouse's work record?

Yes. If you are married, you may receive up to 50% of your spouse's PIA if that amount is higher than your own benefit.1 You must be at least 62 years old to claim spousal benefits.5 The calculator compares both options and tells you which one is higher.

Can I get Social Security benefits from my ex-spouse?

Yes, if your marriage lasted at least 10 years, you are currently unmarried, and you are at least 62.5 You can receive up to 50% of your ex-spouse's PIA.1 Your ex-spouse does not need to have filed for benefits, and claiming on their record does not reduce their payments.

What is COLA and how does it affect my benefits?

COLA stands for Cost-of-Living Adjustment. Each year, Social Security may raise your benefit to keep up with rising prices. The calculator uses a default COLA rate of 2.3% based on the long-run historical average. You can change this rate in the Advanced Settings.

Should I claim Social Security early or wait?

It depends on your health, other income, and financial needs. Claiming early gives you money sooner but smaller checks forever. Waiting gives you larger checks but fewer years of payments. Use the break-even analysis in this calculator to see which choice pays more based on how long you expect to live.

Can I change my claiming age after I see the results?

Yes. Use the slider in the Explore Your Claiming Age section to instantly see your estimated benefit at any age from 62 to 70. You can also go back to the input section and change your planned claiming age, then click Calculate My Benefits again.

Is there a maximum Social Security benefit?

Yes. There is a cap on how much Social Security will pay each month, even if you earned a very high salary. The maximum depends on the year you turn 62 and the age you claim. This calculator estimates your benefit based on your income, so if you earned above the taxable maximum, your actual benefit may differ.

Do I pay taxes on my Social Security benefits?

You might. If your total income in retirement is above certain thresholds, up to 85% of your Social Security benefits can be taxed by the federal government.6 Some states also tax Social Security. This calculator shows your gross benefit before any taxes.

What if I have no work history? Can I still get benefits?

If you have no work history of your own, you may still qualify for spousal benefits based on your current or former spouse's record. Enter $0 as your income and fill in your spouse's details. The calculator will show whether the spousal benefit applies to you.


Sources

  1. Starting Your Retirement Benefits Early. Social Security Administration. Accessed September 11, 2026.
  2. Delayed Retirement Credits. Social Security Administration. Accessed September 11, 2026.
  3. Primary Insurance Amount. Social Security Administration, Office of the Chief Actuary. PIA formula bend points, 2026. Accessed September 11, 2026.
  4. Benefit Calculation Examples for Workers Retiring in 2026. Social Security Administration, Office of the Chief Actuary. Accessed September 11, 2026.
  5. Who can get Family benefits. Social Security Administration. Accessed September 11, 2026.
  6. Publication 915, Social Security and Equivalent Railroad Retirement Benefits. Internal Revenue Service. Maximum taxable part. Accessed September 11, 2026.
  7. Benefit Reduction for Early Retirement. Social Security Administration, Office of the Chief Actuary. Accessed September 11, 2026.
  8. Cost-of-Living Adjustment (COLA) Information for 2026. Social Security Administration. Accessed September 11, 2026.