All calculators
Free 2027 calculators for Social Security, SSI, SSDI, Medicare and retirement taxes. Pick a topic below — each tool explains its formula and links to the official source.
Social Security retirement & family benefits
Payment dates, COLA, benefit estimates, claiming age and spouse or survivor benefits.
Social Security Payment Schedule 2027
Find every 2027 Social Security, SSDI and SSI payment date by your birthday, including holiday shifts and the 3rd-of-month schedule.
Open calculator2027 Social Security COLA Calculator
See your new 2027 Social Security benefit after the 3.6% COLA, and your estimated net check after the Medicare Part B premium.
Open calculatorSocial Security Benefit Calculator
Estimate your Social Security retirement benefit from your earnings using the 2027 PIA formula and bend points, adjusted for your claiming age.
Open calculatorSocial Security Claiming Age & Break-Even Calculator
Compare claiming Social Security at two ages and find the break-even age where waiting pays off, with lifetime totals.
Open calculatorFull Retirement Age Calculator
Find your Social Security full retirement age from your birth date, plus the share of your benefit at 62, at FRA and at 70.
Open calculatorSocial Security Earnings Limit Calculator 2027
Work and collect Social Security before full retirement age? Calculate how much the 2027 earnings test will withhold.
Open calculatorSocial Security Spousal Benefit Calculator
Estimate your Social Security spousal benefit, including the early-claiming reduction and how it combines with your own benefit.
Open calculatorSocial Security Survivor Benefit Calculator
Estimate the Social Security survivor benefit a widow or widower can claim from age 60 to full retirement age.
Open calculatorSSI & SSDI
Supplemental Security Income and Social Security Disability Insurance.
SSI Payment Calculator 2027
Estimate your 2027 SSI payment using the $1,029 federal rate, income exclusions and in-kind support rules.
Open calculatorSSDI Benefit & Work Limit Calculator
Estimate your SSDI benefit and check your work earnings against the 2027 SGA and Trial Work Period limits.
Open calculatorMedicare
Part B premiums and income-related surcharges (IRMAA).
Taxes & required distributions
Federal tax on benefits, senior deductions, RMDs and state rules.
Taxable Social Security Calculator
Calculate how much of your Social Security is federally taxable using provisional income and the IRS 50%/85% rules.
Open calculatorRequired Minimum Distribution (RMD) Calculator
Calculate your required minimum distribution from an IRA or 401(k) using the IRS Uniform Lifetime Table and SECURE 2.0 ages.
Open calculatorSenior Federal Tax Calculator
Estimate federal income tax for people 65+, including taxable Social Security, the extra standard deduction and the $6,000 senior deduction.
Open calculatorState Tax on Social Security Checker
Check whether your state taxes Social Security benefits in 2026. Only 8 states still do; see the full state-by-state list.
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