CalSTRS Retirement Calculator

How CalSTRS calculates your pension

Three numbers determine your CalSTRS benefit: your final compensation, your years of service credit, and the age factor for your retirement age. Multiply them together and you have your annual pension.

Annual Benefit = Final Compensation x Years of Service Credit x Age Factor
Maximum: 100% of Final Compensation

A teacher under the 2% at 60 tier retiring at exactly 60 with 28 years of service and an $85,000 final compensation: $85,000 x 28 x 0.020 = $47,600 per year, or $3,967 per month. That's 56% of their final pay, paid for life, starting the month after their retirement date.

The same teacher at age 63 would get a 2.4% age factor instead of 2.0%. Same service, same salary: $85,000 x 28 x 0.024 = $57,120 per year. Waiting three years adds $9,520 annually, forever. That's the trade-off the age factor table forces on every teacher approaching retirement.

The two tiers: what changed in 2013

California's pension reform legislation (AB 340) created a second tier for public employees hired on or after January 1, 2013. Teachers hired before that date are in the 2% at 60 tier. Everyone hired since is in the 2% at 62 tier.

The differences matter in four concrete ways. First, the age factor table is different. The 2% at 62 tier starts lower at age 55 (1.16% vs. 1.6%) and doesn't hit 2.0% until age 62 instead of age 60. Second, the minimum retirement age under 2% at 62 is 55 with no path to retire at 50, regardless of service years. Third, the final compensation is always the 3-year average under 2% at 62. There is no single-year option. Fourth, there is no career factor bonus for 30 or more years of service under the newer tier.

If you're unsure which tier you're in, check your CalSTRS member statement or your hire date. Every teacher hired before January 1, 2013 is in the original tier regardless of any breaks in service, rehires, or district changes.

The age factor table explained

The age factor is not arbitrary. CalSTRS sets it so that, on average, the system pays out the same total lifetime benefit whether you retire at 55 or 65. If you retire earlier, you collect smaller payments for more years. If you retire later, you collect larger payments for fewer years. The actuaries tune the table so those paths are roughly equivalent in present value.

Under the 2% at 60 tier, the factor starts at 1.1% at age 50, adds roughly 0.1% for each year through age 60, then steps up to 2.133% at 61, 2.267% at 62, and maxes at 2.4% from age 63 onward. There is no benefit to working past 63 in terms of age factor. Additional years still add service credit, which increases the benefit directly, but the multiplier itself is capped.

Under the 2% at 62 tier, the factor starts at 1.16% at age 55, increases each year through age 62 where it hits 2.0%, then steps to 2.133%, 2.267%, and caps at 2.4% at age 65. The same 2.4% ceiling applies. Working past 65 adds service credit but no further factor increase.

The career factor: a meaningful bonus for long-service teachers

Only 2% at 60 members qualify. If you have 30 or more years of service credit at retirement, CalSTRS adds 0.2% to your age factor. The total still cannot exceed 2.4%.

In practice, this means the career factor is most valuable between ages 60 and 62. At 60, your base age factor is 2.0%, so the career factor brings it to 2.2%. At 62, your base is 2.267%, plus 0.2% is 2.467%, but that gets capped at 2.4%. At 63, your base is already 2.4%, so the career factor adds nothing. The sweet spot is retiring at 60 with 30 or more years.

Teachers who are 59 with 29 years of service should model carefully. One more year means both the age factor increases and the career factor activates. That's a double benefit from a single year of patience.

Final compensation: the single-year vs. 3-year choice

Under the 2% at 60 tier, teachers with 25 or more years of service can use their single highest year of base pay as the final compensation figure instead of the 3-year average. This option doesn't exist at all under the 2% at 62 tier.

When does it matter? If your salary jumped significantly in your final year, perhaps from a promotion to an administrative role or a large step increase, the single-year figure could be meaningfully higher than the 3-year average. If your salary has been relatively flat, the two figures will be close and the choice doesn't matter much.

Base pay is what counts. Overtime, stipends for extracurricular duties, bonuses, and one-time payments typically don't factor in. Some districts have tried to artificially inflate final-year pay through special payments, and CalSTRS has specific rules to prevent this from inflating benefits. When in doubt, use your W-2 base salary figure.

Survivor benefit options

CalSTRS offers several ways to provide income to a beneficiary after your death. Each one reduces your monthly benefit by an actuarial factor to fund the protection.

The Standard option pays 50% of your monthly benefit to an eligible survivor (a spouse, registered domestic partner, or financially dependent parent) after your death. The reduction is approximately 5% of your monthly benefit. This is the default.

Option B pays 100% of your monthly benefit to any named beneficiary, not just an eligible survivor, after your death. The reduction is approximately 8%. This is the right choice if you want full income continuance to a non-spouse beneficiary or if your beneficiary has no other income.

Option A eliminates the survivor continuance entirely. Your benefit is not reduced, but nothing goes to any beneficiary after you die. This makes sense if your beneficiary has independent income or if you have substantial life insurance or other assets that would adequately cover them.

When to retire: the numbers most teachers miss

The most common mistake is treating the minimum retirement age as the target retirement age. At 55 with 5 years of service, a 2% at 60 member has a 1.6% age factor. At 60 with those same 10 years (five more years of service), the factor is 2.0% and the service credit has doubled. The benefit doesn't just increase from the age factor change. It increases from both the age factor and the service credit simultaneously.

Run the actual numbers. A teacher who earns $80,000 and retires at 55 with 15 years gets: $80,000 x 15 x 0.016 = $19,200/year. The same teacher at 60 with 20 years gets: $80,000 x 20 x 0.020 = $32,000/year. That's a 67% higher annual benefit from five more years of work. The break-even on working those five extra years is under 10 years of retirement.

Working longer also increases Social Security credits for teachers who have any covered employment, and it delays the depletion of any supplemental retirement savings. The pension math is compelling. So is the full financial picture.

CalSTRS and Social Security

Most California public school teachers do not pay into Social Security through their CalSTRS-covered employment. That means they don't earn Social Security credits from that work, and they won't collect Social Security benefits based on it.

Teachers who worked in Social Security-covered jobs before or after their CalSTRS career may have earned some Social Security benefits, but the Windfall Elimination Provision reduces those benefits for pension recipients. The Government Pension Offset can reduce or eliminate Social Security spousal and survivor benefits. Both provisions catch teachers by surprise at retirement.

The WEP and GPO interaction is specific to your individual earnings record and your CalSTRS benefit amount. Our WEP calculator can estimate the reduction. The interaction between CalSTRS and Social Security is one of the strongest reasons to consult a fee-only advisor before finalizing a retirement date.

The Defined Benefit Supplement account

Beyond the main pension, CalSTRS administers a Defined Benefit Supplement (DBS) account for most members. Contributions flow in from the employer and from interest credits. The DBS accumulates separately from your pension credit and is available at retirement either as a lump sum or as an annuity.

The DBS is often overlooked because it's not the main pension benefit, but balances can be significant for long-career teachers. Your CalSTRS member statement shows your DBS balance. This calculator models the main defined benefit pension only; your DBS is an additional asset you'd add to any retirement income plan.