PensionMath

Free Retirement Calculators

59 calculators covering pension lump sums, 22 state teacher pension systems, employer buyout analysis, federal benefits, Social Security, and retirement planning. No signup.

IRS 417(e) pension mathFERS retirementState pension systemsPension buyoutRetirement number

Pension Decision Tools

Pension Lump Sum Calculator

Convert a monthly pension benefit to a present value using IRS 417(e) segment rates. The same formula pension actuaries are required to use.

Lump Sum vs Annuity

Side-by-side: invest the lump sum at X% vs keep the monthly annuity. Find the break-even age and 20/30-year totals.

Pension Buyout Evaluator

Should you accept the buyout offer? PV analysis, 4% rule comparison, break-even age, opportunity cost at age 80/85/90.

Pension vs 401(k)

What 401(k) balance equals your pension in lifetime income? Equivalent balance calculation and 20/30-year comparison.

COLA Sensitivity Calculator

How a 0%, 2%, or 3% annual COLA changes your pension's real purchasing power over 20 years. No-COLA inflation warning.

DROP Calculator

Deferred Retirement Option Plans: model your lump sum accumulation and compare DROP vs. immediate retirement.

QDRO Calculator

Pension division in divorce. Calculate the present value of a shared payment order or offset approach.

Retirement Planning

Retirement Number Calculator

How much do you need to retire? 4% rule + pension and Social Security offset. On-track banner with surplus/shortfall.

How Long Will My Money Last?

Enter portfolio, withdrawal amount, and guaranteed income. Shows years until depletion, safe withdrawal amount, and year-by-year table.

FIRE Calculator

Financial Independence Retire Early with pension income in the model. FIRE number, years to FI, and coast FI analysis.

Pension Income Tax Calculator

Federal and state tax on pension income. All 50 states with 2026 exemption rules, standard deductions, and bracket math.

Federal Employee Tools

FERS Retirement Calculator

Federal Employees Retirement System pension, MRA+10 early reduction, VERA scenarios, and survivor benefit cost.

FERS Supplement Calculator

The bridge supplement from FERS retirement to age 62 when Social Security begins. Earnings test reduction included.

CSRS Retirement Calculator

Civil Service Retirement System benefit under the 1.5% / 1.75% / 2% tiered formula with sick leave credit.

TSP Calculator

Thrift Savings Plan growth projection with contribution matching, fund allocation, and withdrawal modeling.

TSP vs IRA Comparison

Federal employees: keep the TSP or roll to an IRA at retirement? Fee comparison, fund access, creditor protection.

FEHB Cost in Retirement

Federal employee health benefit premium cost in retirement. Compare plan types and see the government contribution.

Survivor Benefit Calculator

FERS and CSRS survivor annuity cost vs. benefit. Model what your spouse receives and what the election costs you monthly.

State Teacher & Public Pension Calculators

Texas TRS

2.3% formula, Rule of 80 eligibility. Covers Tier 1 and Tier 2 with early retirement reduction.

CalSTRS

2%@60 and 2%@62 formulas, career factor at 30+ years, and survivor benefit reduction options.

CalPERS

Classic 2%@55, PEPRA 2%@62, Safety 2%@50, Local 2.7%@55. Four formula tables with age factors.

Illinois TRS

2.2% formula with 75% cap. Tier 1 and Tier 2 eligibility rules with COLA projections.

New York TRS (NYSTRS)

Tier 4 and Tier 6 calculators. Tiered 1.67% / 2.0% / 1.5% accrual with early retirement reduction.

Florida FRS

Regular 1.60%, Special Risk 3.00%, Investment Plan option. DROP accumulation calculator included.

Ohio STRS

2.2% formula with 35-year service cap. 3-year and 5-year final average salary comparison.

Georgia TRS

2% formula, Rule of 30 eligibility, 7%/year early retirement reduction.

Pennsylvania PSERS

Class T-E and T-F tiers with 2.0% and 2.5% multipliers. Shared risk reduction provisions.

Colorado PERA

PERA formula with service credit, PERA-specific COLA, and early retirement reduction.

Virginia VRS

Plan 1 (1.7%), Plan 2 (1.65%), and Hybrid (1.0% DB + DC). Three-tier eligibility rules.

Washington DRS

PERS 2, PERS 3, and TRS 2 plans. 2-year high FAS with early retirement at 55/20 years.

North Carolina TSERS

1.82% formula, Rule of 90 eligibility (min age 60), 0.5%/month early reduction.

Michigan MPSERS

MIP (1.5%), Pension Plus (1.5%), Pension Plus 2 (1.25%). No COLA provision.

Wisconsin WRS

1.6% general, 1.9% protective. Rule of 87 at age 57 with money purchase benefit comparison.

Arizona ASRS

Age-graded benefit factor table (2.10% at 50 through 2.50% at 59+). Rule of 80 and Rule of 90 tiers.

Massachusetts MTRS

2.5% Group 1 formula, 80% cap, three eligibility paths, COLA capped at $390/year.

Minnesota TRA

1.9% Tier 2 formula, Rule of 90 (min age 62), 1% automatic COLA.

South Carolina TRS

1.82% formula for Class One and Class Two. Rule of 90 with minimum age 60 for Class Two.

Maryland TRS (MSRPS)

1.8% formula, three full-retirement paths, 70% cap, CPI COLA on first $33,000.

Kentucky TRS

2.0% formula for Tier 1 and Tier 2. Tier 2 early retirement at 55-59 with 0.5%/month reduction.

Tennessee TCRS

Legacy Plan (1.575%) and Hybrid DB (1.0%). Rule of 90 with DC accumulation for Hybrid members.

Employer Pension Calculators

GM Pension Calculator

General Motors salaried pension: IRS 417(e) PV, segment rate sensitivity, PBGC flag at $7,489/month, survivor options.

Ford Pension Calculator

Ford Motor Company pension with insurer risk transfer toggle. 2023's $2B transfer affects PBGC coverage -- this calculator flags the difference.

Lockheed Martin Pension Calculator

Statement amount or SERP formula estimator. Notes the December 2025 $900M risk transfer and PBGC coverage uncertainty.

Social Security

Social Security Break-Even Calculator

At what age does waiting to claim pay off? Compare claiming at 62, full retirement age, and 70 side by side.

WEP Calculator

Windfall Elimination Provision -- eliminated January 5, 2025. Calculate the reduction that applied and the new benefit.

GPO Calculator

Government Pension Offset -- eliminated January 5, 2025. Calculate spousal or survivor SS benefit after the change.

Earnings Test Calculator

How much Social Security gets withheld if you claim before full retirement age while still earning wages.

Survivor Benefit Calculator

Widow/widower claiming strategy: when does switching from your benefit to the survivor benefit maximize lifetime income?

Savings and Accounts

403(b) Calculator

Teachers, hospital workers, and nonprofit employees: model 403(b) growth, employer match, and retirement income.

403(b) vs 457(b) Comparison

Side-by-side growth, tax treatment, and withdrawal flexibility. Which one wins for public school employees?

457(b) Calculator

Deferred compensation for government employees. No 10% early withdrawal penalty -- a major advantage over 401(k).

RMD Calculator

Required Minimum Distributions from IRAs, 401(k)s, and the TSP. Uses the IRS Uniform Lifetime Table with the correct life expectancy divisors.

Inherited IRA Calculator

10-year rule distributions for non-spouse beneficiaries. Model annual withdrawals to avoid the year-10 tax spike.

Backdoor Roth IRA Calculator

Pro-rata rule calculation for high earners converting non-deductible IRA contributions to Roth.

SEPP Calculator

72(t) substantially equal periodic payments: compare all three IRS-approved methods to access retirement funds before 59.5.

NUA Calculator

Net Unrealized Appreciation: when does distributing company stock from a 401(k) beat rolling it to an IRA?

Military

Military Retirement Calculator

Legacy High-3 vs. Blended Retirement System. Compare lifetime pension, TSP match, and continuation pay.

Tax

IRMAA Calculator

Medicare Part B and Part D premium surcharges based on your modified adjusted gross income from two years prior.

Pension Income Tax by State

Federal bracket math plus all 50 states. Shows which states exempt pension income and how much you keep.

All calculators produce estimates for educational purposes only. They do not constitute financial, tax, or legal advice. Pension rules vary by plan document, collective bargaining agreement, and individual employment history. Consult a fee-only fiduciary advisor before making retirement decisions.