How much of my Social Security is taxable in 2026 or 2027 planning?
Use this Social Security tax calculator to estimate the taxable portion of benefits. It applies the IRS provisional income framework and the married-filing-separately living-apart distinction to show how wages, pensions, retirement withdrawals, interest, and other income can make benefits taxable.
Social Security tax calculator
Quick answer
Up to 85% of Social Security benefits can be taxable depending on provisional income and filing status. Married-filing-separately taxpayers who lived with a spouse are generally treated differently from those who lived apart all year.
Also answers
- taxable Social Security calculator
- provisional income calculator
- retirement income tax calculator
- Social Security benefits taxable amount
Good fit when
- Estimating taxes on retirement income
- Planning IRA withdrawals around Social Security
- Checking provisional income thresholds
Have ready
- Annual Social Security benefits
- Other income and tax-exempt interest
- Filing status and married-filing-separately living-apart status
Result you get
Estimated taxable Social Security benefits and provisional income.
How this calculation works
- Computes provisional income using IRS definitions.
- Applies base and adjusted thresholds for the filing status, including the married-filing-separately living-apart distinction.
- Limits taxable benefits to a maximum of 85% of benefits.
Common mistakes and caveats
- Uses a simplified worksheet and does not include every adjustment.
- Married filing separately rules can make more benefits taxable.
- State taxation of benefits is not included.
FAQ
Can 85% of Social Security benefits be taxable?
Yes. Higher income levels can make up to 85% of benefits taxable.
TaxGuide Pro provides free state and federal tax calculators for individuals, freelancers, and small businesses.