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2026

2026 Retiree Net Check Calculator

See how the 2026 Social Security COLA, Medicare Part B premium change, your RMD, and the enhanced senior deduction combine into one monthly number.

Quick answer: Combine the 2026 Social Security COLA, Medicare Part B premium change, an estimated RMD, and the enhanced senior deduction in one monthly cash-flow view. Enter 2025 Social Security, Part B premiums, prior-year retirement balance, and RMD divisor to personalize the estimate. It returns Social Security after Part B, RMD after estimated tax, and senior deduction so you can compare the impact before choosing a next step. Use it to compare long-term value, tax impact, risk, time horizon, and contribution choices.

SWReviewed by SwitchWize Research Desk · Last reviewed September 4, 2026
2026 Social Security After Entered Part B Premiums
$1,869
2026 Social Security After Entered Part B Premiums
$1,869
2026 Social Security COLA
2.80%
2026 Monthly Social Security Before Medicare
$2,071
Monthly COLA Increase
$56
Household Monthly Part B Increase
$18
Monthly Change After Part B Increase
$39
Estimated 2026 RMD
$26,415
Estimated Federal Tax on RMD
$3,170
Monthly RMD Cash After Estimated Federal Tax
$1,937
Enhanced Senior Deduction MAGI Threshold
$75,000
MAGI Over Deduction Threshold
$0
Estimated Enhanced Senior Deduction
$6,000
Estimated Annual Federal Tax Value of Deduction
$720
Estimated Monthly Tax Value of Deduction
$60
Diagnostic

Your 2026 Social Security after the entered Part B premiums is about $1,869 per month, a $39 monthly change after the Part B increase.

The estimated RMD adds $1,937 per month after the federal tax rate entered, while the enhanced senior deduction is estimated at $6,000.

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My estimated 2026 Social Security after entered Part B premiums is $1,869 per month, with $1,937 in monthly RMD cash after estimated federal tax.

What to do next

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Your action plan
  1. 1

    Set the target and timeline for this plan

    Combine the 2026 Social Security COLA, Medicare Part B premium change, an estimated RMD, and the enhanced senior deduction in one monthly cash-flow view.

  2. 2

    Check the assumptions before using the result for a high-stakes decision

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

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This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

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Frequently Asked Questions

Everything you need to know.

Does the Social Security COLA get wiped out by the Medicare premium increase?
Not necessarily, but the two move independently, and comparing them side by side, as this calculator does, is the only way to know whether your net Social Security payment actually rises or falls year over year.
What is the enhanced senior deduction?
It's an additional deduction available to eligible older taxpayers on top of the standard deduction, which can reduce taxable income including a portion of RMD income. This calculator checks your MAGI against the eligibility criteria to estimate whether it applies to you.
Why combine Social Security, Medicare, RMD, and the deduction into one number?
Each change affects cash flow differently and in different months, so looking at any one in isolation can be misleading. This calculator nets them into a single combined monthly planning figure so you can see the real, bottom-line effect.
Is the 2026 Retiree Net Check Calculator free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the 2026 Retiree Net Check Calculator affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to build my retirement plan in money map, or run Money Map to compare this investing & retirement decision with your other opportunities.
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Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

Retirees often track the Social Security COLA and Medicare premium change separately, but what actually matters is the net effect once both hit the same paycheck, alongside RMDs and any new deduction the tax law allows. Combining all four into one monthly planning figure shows whether 2026 is actually better or worse for your cash flow than the individual headlines suggest.

How to Use It

  1. 1Enter your 2025 Social Security benefit and current Part B premium
  2. 2Add your prior-year retirement account balance and RMD divisor
  3. 3Enter your MAGI to check senior deduction eligibility
  4. 4Review the combined monthly planning cash figure that nets all four changes together
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