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This estimator uses the official 2.8% 2026 Social Security COLA and the official 2026 Medicare Part B standard premium ($202.90, up from $185.00). It does not account for Part D premiums, Medicare Advantage costs, tax withholding, or other deductions from your benefit check. It is for informational purposes only and is not affiliated with SSA or CMS. Confirm your exact 2026 benefit amount using your COLA notice at ssa.gov/myaccount.