Social Security Calculator
Estimate your monthly benefit at any retirement age — using the official 2026 SSA bend-point formula with real-time results as you type.
62–70. FRA is 67 (born 1960+)
2026 taxable maximum: $184,500
Benefit is based on 35 highest-earning years
Annual raise estimate
Used to show real (today’s $) values
Used for breakeven & lifetime totals
Must be ≥10 years to qualify for ex-spouse benefit
How Your Social Security Benefit Is Actually Calculated
Most people assume Social Security just looks at their salary and spits out a number. The actual process is more involved — and understanding it is the difference between leaving money on the table and timing your claim to get the most out of what you've paid in for your entire working life.
The SSA calculates your benefit in three stages: first it figures out your average lifetime earnings, then it converts those earnings into a base monthly amount, and finally it adjusts that amount up or down depending on when you claim.
Step 1 — Your AIME: Average Indexed Monthly Earnings
Social Security doesn't just look at what you earned last year. It takes your 35 highest-earning years, adjusts each year's wages for inflation (using the national average wage index), adds them up, and divides by 420 — the number of months in 35 years. The result is your AIME, or Average Indexed Monthly Earnings.
If you worked fewer than 35 years, those missing years count as zeros. This matters — a lot. Someone who took 10 years off to raise children or care for a parent will have 10 zeros averaged into their AIME, significantly reducing their final benefit. Working even a few extra years and replacing those zeros with real earnings can meaningfully increase the number.
Example: If your top 35 years of inflation-adjusted earnings total $2,100,000, your AIME is $2,100,000 ÷ 420 = $5,000/month. That $5,000 AIME is what gets plugged into the next formula.
Step 2 — Your PIA: Primary Insurance Amount
The SSA runs your AIME through a progressive bend-point formula to calculate your Primary Insurance Amount (PIA) — the monthly benefit you'd receive if you claimed at exactly your Full Retirement Age. The formula is intentionally weighted to give lower earners a higher replacement rate.
For workers who become eligible in 2026, the formula is:
| AIME Bracket | Multiplier | What This Means |
|---|---|---|
| First $1,286 of AIME | 90% | High replacement for low earners |
| $1,286 – $7,749 | 32% | Moderate replacement for middle earners |
| Above $7,749 | 15% | Low replacement for high earners |
The result — your PIA — is rounded down to the nearest $0.10. This is the number everything else is built from.
Step 3 — Claiming Age Adjustment
Once you know your PIA, the final calculation adjusts it based on when you actually file for benefits relative to your Full Retirement Age (67 for anyone born in 1960 or later).
You receive ~70% of your PIA. The reduction is permanent — it doesn't go away once you hit 67.
You receive 100% of your PIA. No reduction, no bonus — this is your base benefit amount.
You receive 124% of your PIA. Benefits grow 8% per year after FRA, capping out at 70.
The early reduction works as follows: for each of the first 36 months you claim before FRA, your benefit is reduced by 5/9 of 1%. For any additional months beyond 36, the reduction is 5/12 of 1%. By the time you reach 62 — five full years early — the cumulative reduction is 30%.
What Each Field in This Calculator Does
Current Age
Used to calculate how many more years you'll be working before retirement, and to determine the real (inflation-adjusted) value of your future benefit in today's dollars. It also affects the breakeven analysis — the older you are now, the fewer years you have to benefit from delaying.
Retirement Age (Age You'll Claim)
This is the age at which you plan to start receiving benefits — anywhere from 62 to 70. This calculator shows you how your monthly check changes across the entire range, so you can see the exact dollar difference between each claiming age before committing to one. Changing this field updates results instantly.
Annual Income
Your current gross annual salary. The calculator uses this as the baseline for projecting your future earnings and building a simulated 35-year earnings history. The 2026 taxable maximum is $184,500 — earnings above that don't count toward your benefit or your payroll tax liability.
Years Worked So Far
How many years you've worked in covered employment (jobs that paid into Social Security). This determines how many real earning years are already in your history. If you've worked 20 years and plan to retire in 10 more, you'd have roughly 30 real years and 5 zeros unless you work additional years. This field directly affects your AIME — and therefore your PIA.
Expected Salary Increase
The annual percentage raise you expect going forward. A 2–3% figure reflects typical cost-of-living adjustments. Higher earners in growth fields might reasonably enter 4–5%. This drives the projection of your future earnings history and lifts your eventual AIME. You can also set it to 0% to model a flat salary scenario.
Expected Rate of Inflation
Used to convert your future monthly benefit into today's purchasing power. If your calculated benefit is $2,500/month starting in 15 years, and inflation runs at 2.5% annually, that $2,500 buys roughly what $1,760 buys today. The "in today's dollars" figure shown in the hero card uses this conversion.
Life Expectancy
Used for the breakeven and lifetime totals analysis only — it doesn't affect the monthly benefit calculation. If you set this to age 85, the calculator shows cumulative benefits from each claiming age (62, FRA, 70) through age 85, so you can compare lifetime totals and see which age generates the most money given your assumptions. The SSA's average life expectancy at 65 is roughly 84 for men and 87 for women.
Single, Married, and Divorced — How Each Mode Works
Single
Your benefit is calculated entirely from your own earnings record using the standard PIA formula. The calculator shows your estimated monthly benefit at every claiming age, plus a breakeven analysis and lifetime totals. For single filers, the decision is straightforward: the longer you expect to live, the more likely delaying to 70 pays off.
Married
When you're married, both spouses have their own benefit based on their own work records. But there's a second layer: the spousal benefit. A spouse who earns less (or didn't work at all) can receive up to 50% of the higher earner's PIA — but only if that amount is more than their own benefit. If the lower earner's own benefit already exceeds 50% of the higher earner's PIA, they simply collect their own benefit and no spousal top-off applies.
The spousal benefit caps at FRA — there's no bonus for waiting past 67. This is different from your own retirement benefit, which grows 8% per year from FRA to 70. A spouse should claim their own benefit as late as makes sense, but the spousal top-off doesn't grow beyond FRA.
The calculator shows the combined monthly benefit for both spouses at FRA, including any spousal top-off. It also shows the individual benefit for the spouse at their chosen retirement age.
Divorced
If you were married for at least 10 years and are currently unmarried, you may be eligible to receive Social Security benefits based on your ex-spouse's earnings record — without affecting their benefit or requiring their cooperation. The SSA doesn't even notify your ex that you've applied.
The divorced spousal benefit works as follows:
| Scenario | What You Receive |
|---|---|
| Claim at FRA (age 67) | Up to 50% of ex's PIA |
| Claim at age 62 | Approximately 32.5% of ex's PIA |
| Delay past FRA | No additional increase — 50% is the maximum |
| Your own benefit is higher | SSA pays the higher amount automatically |
The calculator checks whether you meet the 10-year marriage requirement (based on the years-married field), computes 50% of your ex's estimated PIA, and compares that to your own benefit at FRA. It then shows you which benefit would actually be paid.
Understanding the Breakeven Analysis
The breakeven age is the point at which waiting to claim a larger benefit overtakes the cumulative total of claiming earlier. It's the single most useful piece of information for deciding when to file — and it's frequently misunderstood.
Breakeven: Age 62 vs. FRA
If you claim at 62, you get smaller checks but you get them for five extra years. The person who waits for FRA gets larger checks but starts later. The breakeven age is when the FRA claimant's running total surpasses the 62 claimant's running total. For a typical earner with FRA of 67, this breakeven falls around age 78–80.
Breakeven: FRA vs. Age 70
Waiting from FRA to 70 earns you 24% more per month, but you give up three years of payments. The breakeven — where the age-70 claimant's cumulative total surpasses the FRA claimant's — typically falls around age 82–84.
Breakeven analysis assumes you're in average health. If you have serious health conditions that reduce your life expectancy, claiming early often makes more mathematical sense. If your family has a history of longevity and you're in good health, delaying to 70 is frequently the better long-term bet.
What "Lifetime Totals" Shows
The bar chart in the calculator compares the total benefits you'd collect from each claiming age — 62, FRA, and 70 — between that age and your life expectancy. It's a quick visual answer to the question: "Given how long I expect to live, which age results in the most total money received?" The best strategy shown is based purely on total dollars collected, not adjusted for investment returns or other factors.
Common Strategies for Married Couples
The single-person claiming decision is relatively simple — weigh life expectancy against monthly income needs. For couples, the math gets more interesting because you're optimizing for two lives and the survivor benefit.
The lower earner claims at 62 for immediate income. The higher earner waits until 70 to maximize the survivor benefit. When one spouse dies, the surviving spouse keeps the larger of the two checks — so maximizing the higher earner's benefit protects the survivor for the rest of their life.
Both spouses claim at 67, receiving 100% of their PIA. No early reductions, no extended wait. Good for couples who are both in average health and need the income at retirement, but aren't willing to gamble on living well past 82.
The lower earner files at 62 to start household cash flow. The higher earner continues working or uses savings, then files at 70 for the maximum benefit. This is effective when the household needs some income immediately but wants to protect the higher earner's eventual benefit.
Both spouses delay to 70. This maximizes both benefits and provides the largest possible survivor benefit. Works well for couples with substantial savings to draw from in their 60s who expect to live well into their 80s or beyond.
The survivor benefit is often overlooked in the planning conversation. When a spouse dies, the surviving spouse gets to keep whichever of the two benefits is higher — not both. If the higher earner claimed early and received a reduced benefit, the survivor is stuck with that reduced amount for the rest of their life. This is one of the strongest arguments for the higher earner to delay as long as possible.
Taxes on Social Security and Annual COLA Increases
Are Social Security Benefits Taxable?
Potentially, yes — and it catches a lot of retirees off guard. Up to 85% of your Social Security benefits may be subject to federal income tax, depending on your "combined income" (adjusted gross income + non-taxable interest + half of your Social Security benefits).
| Filing Status | Combined Income | % of Benefits Taxable |
|---|---|---|
| Single | Under $25,000 | 0% |
| Single | $25,000–$34,000 | Up to 50% |
| Single | Over $34,000 | Up to 85% |
| Married (joint) | Under $32,000 | 0% |
| Married (joint) | $32,000–$44,000 | Up to 50% |
| Married (joint) | Over $44,000 | Up to 85% |
These thresholds haven't been adjusted for inflation since 1984, which means more retirees fall into the taxable range each year simply because of cost-of-living increases. Tax planning around Social Security — including Roth conversions before retirement to reduce taxable income — is worth discussing with a financial advisor.
The Annual COLA
Each January, the SSA adjusts benefits for inflation using the Consumer Price Index for Urban Wage Earners (CPI-W). The 2026 COLA was 2.8%. This adjustment applies to everyone already receiving benefits and also adjusts the PIA for future claimants. Over the past two decades, the COLA has ranged from 0% (in years with no inflation) to 8.7% (in 2023).
Because delaying to 70 locks in a permanently higher base benefit, your future COLAs also apply to a higher starting number. A 2.8% COLA on a $2,800/month benefit adds $78/month. The same COLA on a $2,100/month benefit (claimed early) adds only $59/month. The gap widens every year.
Frequently Asked Questions
This calculator uses the official 2026 bend points and PIA formula, so the calculation method is correct. The main difference from your actual SSA benefit is the earnings history: the SSA uses your complete verified wage record going back to your first year of covered employment, while this calculator estimates your history based on your current income, years worked, and salary growth rate. For the most accurate number, log in to your My Social Security account at ssa.gov — it pulls directly from your actual earnings record.
A "year worked" for Social Security purposes is any year in which you had covered earnings — even if you only worked part time. To earn a full year of credit, you need to earn at least $6,720 in 2026 (this amount adjusts each year). What matters for the benefit calculation is not how many years you worked, but the actual dollar amounts earned in those years. A year where you earned $10,000 counts less than a year where you earned $80,000. Both go into the 35-year average, but the higher-earning year does more work.
Yes — but if you claim before your FRA and continue working, your benefit may be temporarily reduced. In 2026, if you're under FRA for the entire year, $1 in benefits is withheld for every $2 you earn above $24,480. In the year you reach FRA, the threshold is $65,160 and only $1 is withheld per $3 earned. Once you reach FRA, there's no earnings limit at all — you can earn as much as you want without any reduction. The withheld benefits are not lost forever — the SSA recalculates your benefit upward at FRA to credit you for the months your benefit was withheld.
You have two options. First, within 12 months of filing, you can withdraw your application entirely, repay every dollar you received, and restart as if you never claimed. You only get one lifetime withdrawal. Second, if you're at or past your FRA, you can voluntarily suspend your benefits. While suspended, your benefit earns delayed retirement credits of 8% per year until age 70. This won't restore the early-claiming reduction you already took, but it does grow your benefit from that reduced base going forward.
Working longer can increase your benefit, but only under specific conditions. If you replace a low-earning year (or a zero year) in your 35-year average with a higher-earning year, your AIME goes up and so does your PIA. If all 35 of your highest years are already filled with strong earnings, working an additional year won't move the needle unless that new year beats one of your existing top 35. The "years worked" field in this calculator helps you see how close you are to that 35-year threshold — and the salary increase field lets you model whether future higher-earning years will replace older, lower-earning ones.
This concern comes up often. The SSA's own trustees project that the combined trust funds could be depleted by the mid-2030s if Congress takes no action. If that happened, Social Security wouldn't disappear — payroll tax revenue would still cover roughly 79–83% of scheduled benefits. A cut of that magnitude would be significant, but it's important to note that every major shortfall in Social Security history has been addressed legislatively. Most financial planners recommend planning conservatively but not making a major decision — like permanently locking in a 30% benefit reduction by claiming at 62 — purely based on funding projections that are more than a decade out.
No. Every calculation happens directly in your browser. Nothing you type — your age, income, spouse's income, or any other field — is sent to a server or stored anywhere. When you close or refresh the page, all inputs are cleared. This is a local math tool, not a data collection form.
Completely allowed, and the SSA explicitly keeps it confidential. Your ex-spouse is not notified when you apply for divorced spousal benefits, their own benefit is not reduced or affected in any way, and they don't need to have filed for their own benefits in most cases (as long as you've been divorced for at least two years). This is a federal entitlement you earned through your marriage — it requires no permission and no involvement from your ex.