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Social Security Calculator

See how your U.S. Social Security benefits could change depending on when you start.

Enter your details to compare filing dates for you and your spouse. You can explore more options after seeing your results.

A woman reviewing retirement timing with a notebook and laptop at home

1. Enter your details

Start with your details below. The form contains example information—replace it with your own.

Your information
Date of birth
$

Find this amount on your Social Security statement. Use the monthly benefit at full retirement age, not your salary or the benefit at age 62. This amount is also called PIA.

Still working, receiving disability, or changing life expectancy?
Do you have children who may qualify for benefits?

Add qualifying children under 19 or permanently disabled children. The model assumes children survive for the duration of the calculation. For six or more, enter disabled children first, then the youngest.

Calculation settings (optional)
%

The 2% default is an illustrative assumption, not a live Treasury yield. Higher rates put more value on earlier payments. For comparisons with Open Social Security, enter the same rate there and here.

No sign-up needed. Calculating for a couple may take a little longer.

2. Your results

Enter your details, then select “See my results.” Your filing dates and benefit estimates will appear here.

Educational modeling only, not financial, tax, or claiming advice. The strategy shown maximizes expected present value under the inputs and assumptions; it does not guarantee benefits or determine your best personal decision. Results depend on mortality assumptions, discount rates, filing history, and eligibility. Taxes, Medicare deductions, and individual cash needs are not modeled. Confirm eligibility, work-record estimates, and current rules with SSA. Finelo is not affiliated with or endorsed by SSA or Open Social Security.

Preguntas frecuentes

Where do I find my full-retirement-age benefit?
Your my Social Security account at ssa.gov provides personalized estimates. Use the monthly estimate at your full retirement age (your primary insurance amount), not your estimate at 62 or 70. Check the assumed future earnings on that estimate; changing your work plans can change your benefit.
Does waiting until 70 always make sense?
Waiting generally increases the monthly retirement benefit up to age 70, but means fewer payments initially. The engine compares eligible monthly claiming strategies using survival probabilities and a real discount rate. The highest modeled value can change with those assumptions; taxes, cash needs, and longevity risk can favor a different choice.
Can I use this for a married couple?
Yes. Choose married and enter both people’s information. The reference engine models retirement, spousal, and survivor benefit interactions. Divorced and widowed scenarios are also available. Results assume you meet the relevant eligibility rules; the calculator is not an eligibility determination.
Are the results adjusted for inflation?
Amounts are in today’s inflation-adjusted dollars. Expected present value accounts for survival probabilities and discounts future payments at the real annual rate you choose. The year-by-year table instead shows annual benefits conditional on survival, so adding its rows will not equal the present value.
Why might my SSA estimate be different?
SSA uses your official work record and eligibility details. This calculator relies on the PIA and other information you enter and does not forecast changes in your earnings record, taxes, or Medicare deductions. It adapts the MIT-licensed Open Social Security engine; its rules and assumptions should be checked against current SSA guidance before acting.

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