📊 2026 Retirement Tax Planner
Plan your retirement tax strategy with our comprehensive 2026 planner. Estimate your income tax, Social Security taxation, Medicare IRMAA surcharges, Required Minimum Distributions (RMDs), and tax-efficient withdrawal strategies. Updated with official IRS 2026 inflation adjustments and OBBBA provisions.
2026 Retirement Tax Planning Overview
Retirement tax planning involves managing multiple income sources , Social Security, pensions, retirement account withdrawals, and investment income , while minimizing your overall tax burden. The 2026 tax year brings several important updates:
- Tax Rates: Seven federal brackets: 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The top rate of 37% has been made permanent under the OBBBA.
- Standard Deduction: Increased to $16,100 (single) and $32,200 (MFJ).
- OBBBA Senior Deduction: New $6,000 deduction for taxpayers age 65+ (MAGI limit applies).
- Social Security COLA: 2.8% increase for 2026, average +$56/month.
- Medicare Part B: Standard premium of $202.90/month with IRMAA surcharges for high incomes.
Social Security Taxation
Up to 85% of your Social Security benefits may be taxable, depending on your combined income (AGI + tax-exempt interest + 50% of SS benefits):
- Single: Up to 50% taxable if combined income $25,000–$34,000; 85% taxable if over $34,000.
- MFJ: Up to 50% taxable if combined income $32,000–$44,000; 85% taxable if over $44,000.
Required Minimum Distributions (RMDs)
RMDs must begin at age 73 (if born between 1951–1959) or age 75 (if born 1960 or later) under the SECURE 2.0 Act. This calculator estimates your RMD based on your traditional retirement account balance and life expectancy (Uniform Lifetime Table).
Medicare IRMAA
If your modified adjusted gross income exceeds certain thresholds, you'll pay a surcharge , the Income-Related Monthly Adjustment Amount (IRMAA) , on your Medicare Part B and Part D premiums. For 2026, the Part B standard premium is $202.90/month.
How the Planner Works
- Enter Your Income Sources: Social Security, pensions, taxable investments, IRA withdrawals.
- Specify Account Balances: Traditional and Roth retirement account balances for RMD estimation.
- Apply Deductions: Standard deduction (with age additions) and OBBBA senior deduction.
- Calculate Tax: Apply 2026 federal income tax brackets to taxable income.
- Assess Social Security Taxability: Determine how much of your benefits are taxable.
- Calculate IRMAA: Estimate Medicare surcharges based on income.
- Estimate RMD: Calculate required minimum distributions from traditional accounts.
❓ 2026 Retirement Tax Planner FAQ
What is the standard deduction for retirees in 2026?
The 2026 standard deduction is $16,100 for single filers and $32,200 for married filing jointly. If you're age 65 or older, you get an additional $2,050. The new OBBBA provides a bonus $6,000 senior deduction (MAGI limit applies).
What are the 2026 tax brackets?
The 2026 tax brackets are 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The 37% bracket starts at $640,600 for single filers and $768,700 for married filing jointly.
How much of my Social Security is taxable?
Up to 85% of your Social Security benefits may be taxable. This calculator estimates the taxable portion based on your combined income (AGI + tax-exempt interest + 50% of SS benefits).
What is the Medicare IRMAA surcharge for 2026?
IRMAA is an income-related surcharge on Medicare Part B premiums. The standard Part B premium for 2026 is $202.90/month. If your modified AGI exceeds $109,000 (single) or $218,000 (MFJ), you'll pay higher premiums.
What is the 2026 OBBBA senior deduction?
The OBBBA provides a temporary $6,000 additional deduction for taxpayers age 65 and older ($12,000 for married couples), on top of the standard deduction and existing age-based additions. This applies for tax year 2026.
When do I have to take RMDs in 2026?
RMDs must begin at age 73 (if born between 1951–1959) or age 75 (if born 1960 or later) under the SECURE 2.0 Act. This calculator estimates your RMD using the IRS Uniform Lifetime Table.
What is the 2026 401(k) contribution limit?
The 2026 401(k) contribution limit is $24,500 ($32,500 with catch-up for age 50+). The IRA contribution limit is $7,500 ($8,600 with catch-up).
What is the 2026 Social Security COLA?
Social Security benefits will increase by 2.8% in 2026, with the average retired worker receiving about $56 more per month.
Are Roth IRA withdrawals taxable?
Qualified Roth IRA withdrawals are tax-free. This calculator includes Roth withdrawals as income for cash flow purposes but does not tax them.
What is the difference between marginal and effective tax rate?
Your marginal tax rate is the rate applied to the last dollar of income. Your effective tax rate is your total tax divided by total income , the average rate you pay.
How does the calculator handle capital gains?
Long-term capital gains and qualified dividends are taxed at 0%, 15%, or 20% depending on taxable income. Enter these in the advanced options for a complete tax picture.
Does this calculator include state taxes?
You can enter an estimated state tax rate in the advanced options. The calculator will add this to your total tax liability.
What is the 2026 Medicare Part B premium?
The standard monthly premium for Medicare Part B in 2026 is $202.90, up from $185.00 in 2025.
Is this calculator free?
Yes, this calculator is completely free to use. No registration or personal data storage is required. All calculations are performed in your browser.
How accurate is this retirement tax planner?
This planner uses official IRS 2026 tax brackets, standard deduction amounts, and OBBBA provisions. However, it provides estimates and may not capture all deductions, phaseouts, or special situations. Consult a tax professional for official guidance.