Free Military TSP, FERS & Pension Calculator (2026)

Quick Answer

Should I roll my TSP into an IRA when I leave military service?

Not automatically. The TSP offers the G-Fund — a government-backed bond fund that earns more than most money-market accounts and exists nowhere else — plus some of the lowest expense ratios in the investment industry. An IRA gives you more investment choices but often higher fees. The right answer depends on your specific funds, your income needs in transition, and your long-term goals. We compare both options side-by-side before making any rollover recommendation. This is general educational information, not personalized advice.

Free Tools

Veteran & Military Retirement
Calculators

Four of the questions military and federal retirees ask most — run your own numbers in about two minutes.

What your FERS annuity is really worth once unused sick leave is counted (and what separating first would forfeit), how much you could move to Roth in your low-income years under your state's exemption, what a VA disability rating is worth tax-free, and what your monthly retirement paycheck looks like once the pension, TSP, Social Security, and VA stack together.

Hypothetical illustrations for education only. Not a prediction, recommendation, or guarantee. Your actual result will differ.

Your Federal Service

High-3 Average Salary

$

Your highest 3 consecutive years of basic pay, annualized. Basic pay only — not overtime, bonuses, or awards.

Years of Service

Plus Months

Unused Sick Leave (hours)

Your balance at separation. Converted at 2,087 hours = 1 year (OPM Chart 2). It counts toward your annuity ONLY if you retire on an immediate annuity — not if you separate first.

Age at Separation

Retirement Path

"Retire now as an employee" credits your unused sick leave. "Separate first, then take a deferred annuity later" forfeits it entirely — this tool shows you both.

Your Situation

Filing Status

State of Residence

Other Taxable Income Before Any Conversion

$

Your taxable income / AGI driver before converting — Social Security's taxable portion, interest, dividends, RMDs, wages. In CT and NY, your military retired pay is fully state-exempt and is excluded from the state's AGI test, which is why your room can be large.

Annual Military Retired Pay (context)

$

Shown for context. 100% state-exempt in CT and NY regardless of amount, so it does not count against the state AGI test.

Federal Bracket to Stay Under

On / near Medicare?

Connecticut: preserve the FULL exemption?

CT's pension/IRA deduction is 100% under $100k AGI (MFJ) / $75k (single), then steps down to 0% by $150k / $100k.

Your Situation

Education only. This tool does not determine VA eligibility or predict a rating. Only the VA assigns ratings. It illustrates the dollar value of a rating you already have or are exploring. Not tax, legal, or investment advice.

Disability Rating

Dependent Status

No dependent add-on below 30%.

Your Combined Fed + State Marginal Rate (%)

Your estimate. Used only to show tax-equivalent value — this tool does not compute your bracket.

Annual Taxable Withdrawal This Could Replace

$

Optional. If left at 0, the tool uses your annual VA amount. Traditional-TSP withdrawals are taxed as ordinary income; this is an illustration, not a recommendation about which accounts to draw from.

VA Home-Loan Amount (funding-fee illustration)

$

Optional. Shows the funding fee a non-exempt borrower would pay versus $0 for a funding-fee-exempt veteran.

Your Situation

Filing Status

State of Residence

Pension Figure

Monthly Military Retired Pay

$

Gross monthly retired pay from your DFAS statement.

TSP Type

TSP Annual Draw (%)

TSP Balance

$

Social Security (monthly)

$

Not reduced by your military pension.

VA Disability (monthly)

$

Tax-free; stacks on top.

Your Estimated FERS Annuity

Estimated annual basic annuity (this path)

$0

—

Educational estimate, not advice. Not a certified benefit calculation.

Sick leave converted to service—

Total service for computation (this path)—

Multiplier applied—

Annual annuity — retire as employee—

Annual annuity — separate first, defer—

Difference the sick-leave credit makes—

The sick-leave detail most estimators miss

—

Things to weigh

—

Your Conversion Window

Illustrative amount you could convert this year

$0

—

Educational estimate, not advice. Not a recommendation to convert.

What's holding the room (binding ceiling)—

Room under your federal bracket—

Room under IRMAA tier 1—

Room under your state exemption—

Rough federal tax on a full-room conversion—

Things to weigh

—

What a Rating Is Worth Tax-Free

Tax-free monthly VA compensation (at this rating)

$0

—

Educational estimate, not advice. Not an eligibility determination.

Tax-free annual VA compensation—

Equivalent taxable income (at your rate)—

Tax a like-size withdrawal would cost—

VA home-loan funding fee — non-exempt (first use)—

VA home-loan funding fee — exempt veteran$0

Read this first

—

Your Estimated Paycheck

Estimated net monthly income

$0

—

Educational estimate, not advice. Not a certified figure.

Military retired pay (monthly)—

TSP withdrawal (monthly)—

Social Security (monthly)—

VA disability (monthly, tax-free)—

Gross monthly income—

Federal tax (rough est.)—

State tax (rough est.)—

Effective tax rate—

Simplified estimate — your actual tax depends on your full return.

Things to weigh

—

Your numbers

Est. annual annuity—

Sick-leave credit value—

Illustrative conversion room—

What's holding it—

Tax-free monthly value—

Equivalent taxable income—

Est. net monthly—

Tax-free VA in the stack—

Want a second set of eyes on these?

You just ran the math yourself. If it would help to talk it through, our Chief Investment Officer, William Harrison, will look at your situation with you — free, 15 minutes, no pressure.

Book a free 15-min call

Not ready to talk? Leave your email and we’ll follow up with a recap and the Veterans Retirement & Benefits Guide.

Built on the real rules — OPM's FERS formula and 2,087-hour sick-leave conversion, 2026 VA disability rates, the Connecticut pension/military exemptions, and 2026 IRS and Medicare figures.

Sirmium Capital LLC is a registered investment adviser. Educational purposes only. Not personalized financial advice. This tool does not create an advisory relationship. Registration does not imply a certain level of skill or training.

Important: These calculators are hypothetical illustrations for education only. They are not investment, tax, or legal advice, not a recommendation, and not a guarantee. Your actual result will differ. FERS and military retired-pay figures are estimates, not certified benefit calculations — your official figures come from OPM and DFAS/DoD. The VA alone determines disability ratings and eligibility; this tool never makes that determination. Figures use general 2026 federal, state, and benefit data, current as of June 2026 (OPM FERS rules and the 2,087-hour sick-leave chart; IRS Rev. Proc. 2025-32; CMS 2026 IRMAA; VA 2026 compensation rates effective Dec. 1, 2025, and the current funding-fee schedule; Connecticut DRS/OLR), and do not reflect every credit, other income, NIIT, AMT, your full state return, market changes, survivor or age reductions, the FERS Special Retirement Supplement, or CRDP/CRSC concurrent-receipt offsets. Tax rules and thresholds can change. If you later become a client and roll over assets, Sirmium may earn advisory fees on those assets. Registration does not imply a certain level of skill or training. Confirm specifics with OPM, DFAS, the VA, and a qualified tax professional before acting. Questions about your plan? Talk to William Harrison, our Chief Investment Officer and the firm's registered adviser.

The Challenge

The Civilian Transition Requires a New Strategy

Moving from active duty to the civilian sector fundamentally alters your tax situation, income streams, and investment strategy.

Whether you're deciding on the Survivor Benefit Plan (SBP), trying to figure out if you should roll over your Thrift Savings Plan (TSP), or needing to coordinate your military pension with a new civilian 401(k), the complexity increases exponentially upon retirement or separation.

Sirmium Capital provides clear, objective, fee-only advice. We don’t earn commissions off expensive mutual funds or insurance products. We simply help you align the benefits you earned in uniform with your goals in the civilian world.

Veteran Wealth Strategy

Thrift Savings Plan (TSP) Rollover Analysis
Military Pension Integration (High-3 vs. BRS)
VA Disability Tax Coordination
Survivor Benefit Plan (SBP) Evaluation
Civilian 401(k) / Benefit Coordination
GI Bill & Education Funding Strategies

Free Resource

Get Your Free Veterans Retirement Blueprint

The five decisions that move the most money at retirement — the FERS sick-leave trap, the TSP Roth conversion window, your VA disability value, your real four-part paycheck, and the SBP election. Built for military and federal retirees, and made to read alongside the calculator above.

Download the free Blueprint (PDF) Download the Veterans Retirement Checklist (PDF)

Sirmium Capital LLC is a registered investment adviser. Educational purposes only. Not personalized financial advice.

What's Inside:

The FERS sick-leave trap that can cost you a full year of service credit
How tax-free VA disability can change what you draw from a taxable TSP
CRDP vs. CRSC — which one restores your offset retired pay
State-by-state tax treatment of military pay vs. your FERS pension

FAQs

Common Military Retirement Questions

A military pension is years of service times a percentage of your highest-36-months average basic pay (the "high-3"). Under the legacy High-3 system the multiplier is 2.5% per year of service, so 20 years equals 50% of high-3; under the Blended Retirement System (BRS), for members who entered service on or after January 1, 2018, it is 2.0% per year, so 20 years equals 40% of high-3, paired with government-matched Thrift Savings Plan (TSP) contributions. Sirmium Capital models High-3 versus BRS retired pay for military and federal families as part of free, educational planning.

VA disability compensation is paid tax-free and is set by a national rate table tied to your combined rating and dependents. For 2026 (rates effective December 1, 2025), a veteran with no dependents receives about $1,132.90 per month at a 50% rating and $3,938.58 per month at 100% (roughly $47,263 a year), with higher amounts for veterans who have dependents. Because that income is excluded from federal and state taxable income, every tax-free dollar goes further than the same amount of taxable income. Only the VA assigns ratings; Sirmium Capital illustrates what an existing rating is worth tax-free when coordinating a veteran's income plan.

There is no automatic answer, because the Thrift Savings Plan (TSP) offers two features an IRA usually cannot match: the G Fund, invested in special U.S. Treasury securities whose principal is guaranteed by the U.S. government and never declines in value, and costs the TSP reports as lower than 99% of investment options. An IRA offers a far wider menu of investments but often at higher cost, so the right choice depends on which funds you hold, your income needs during transition, and your long-term goals. Sirmium Capital compares the TSP and an IRA side by side, including fees, before any rollover decision, as general educational planning rather than individualized advice.

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