Social Security Survivor Benefit Calculator
Both records, and when the survivor would claim
Your result will appear here
Fill in the fields on the left and this updates as you type.
Know what this estimate is based on
- Jurisdiction
- General mathematical model
- Scope and limitations
- Long-range scenario, not a guarantee. Small changes in returns, inflation, fees, taxes, and withdrawal timing can materially change the result.
- Source links checked
- Jul 30, 2026
Built and regression-tested by Smart Tools Lab. It has not been individually reviewed by a licensed financial, tax, or legal professional.
How to use
- 01
Enter the deceased worker's monthly benefit at their full retirement age. A survivor benefit is built on up to all of that figure, not half of it, and the floor that protects a survivor whose spouse claimed early is a share of it too.
- 02
Enter what they were actually receiving each month, or leave it at zero if they had not claimed yet. This is the field that turns the 82.5% floor on: with nothing entered the survivor benefit is built on the full benefit and no floor is needed.
- 03
Enter the survivor's own monthly benefit at their own full retirement age. The household keeps the larger of the two streams and loses the smaller one outright — this field is what decides which is which, and what the household is left with.
- 04
Enter the months before their own full retirement age the survivor would claim. Zero means claiming at full retirement age and 84 means age 60, the earliest a survivor benefit can start; the field is held there automatically if you enter more.
- 05
Check the statutory row — the 82.5% floor, a survivor full retirement age of 67, an earliest age of 60, and a 28.5% total reduction at that earliest age — then read the table, which prints the survivor benefit and the survivor's own benefit side by side at every age and names the larger.
Formula
Entitlement base = the worker's full-retirement-age benefit if they had not claimed; otherwise the greater of what they were actually receiving and 82.5% of their full-retirement-age benefit. That second branch is the widow's limit, and it runs in both directions — a worker who delayed leaves the larger delayed check, credits included. Survivor benefit = entitlement base × (1 − 28.5% × months claimed early ÷ the months from age 60 to the survivor's full retirement age). The reduction is linear across that span rather than a rate per month, which is what makes it different from the retirement reduction. It stops at full retirement age: there are no delayed credits on a survivor benefit. The survivor's own benefit runs on the ordinary retirement schedule — 0.5556% a month for the first 36 early, 0.4167% beyond, and 8% a year for delay to 70 — and the household keeps whichever stream is larger, never both.
Example
A worker with a $2,404 benefit at full retirement age who claimed at 62 and was receiving $1,683, a survivor with a $1,400 record of their own, claiming 84 months early at age 60. The floor is 82.5% of $2,404, or $1,983, which is $300 above the $1,683 the worker was actually getting — so the entitlement base is $1,983, not $1,683. Claiming at 60 costs the full 28.5%, so the check is $1,418, or 71.5% of the entitlement; waiting to 67 would pay the whole $1,983. Had the worker waited to their own full retirement age the survivor benefit would have been $2,404, so the early claim costs the survivor $421 a month for life. The household drops from $3,083 a month to $1,983, a 36% cut. Of the two switching routes, taking the survivor benefit now and growing their own record to 70 ends at $1,736; taking their own at 62 and switching at 67 ends at $1,983.
Definitions
- Widow's limit (RIB-LIM)
- The floor that stops a worker's early claim from following a survivor for life. A survivor is entitled to the greater of what the worker was receiving and 82.5% of the worker's full-retirement-age benefit.
- Entitlement base
- The full survivor benefit before any reduction for claiming early — the worker's actual check, the 82.5% floor, or the full benefit if they died before claiming. Every figure on the page is a share of it.
- Lump-sum death payment
- A one-time $255 payment to a spouse living in the same household, or failing that to eligible children. Set in 1954 and never indexed; it must be claimed within two years of the death.
Good to know
One check stops, and the bills do not halve
The first thing to understand about a survivor benefit is what happens to the other one. A married couple drawing two Social Security checks becomes, at the first death, a household drawing one — the larger of the two, kept in full, with the smaller one stopping the month of death. There is no adding, no partial continuation, no averaging. On the default figures a household receiving $1,683 and $1,400 a month, $3,083 between them, is left with $1,983: a drop of $1,100 a month, or 36% of its Social Security income. Very little on the expenses side falls by 36%. Property taxes, insurance, utilities, the mortgage and most of the household's fixed costs are unchanged, and Medicare premiums fall by exactly one person's worth. Two tax changes land in the same period and compound it. The survivor files jointly for the year of the death itself and single from the following year, moving to narrower brackets and roughly half the standard deduction — and the same shift to single thresholds then applies to the tax on benefits, which can push a larger share of a smaller benefit into taxable income. There is a lump-sum death payment of $255, payable to a spouse living in the same household or, failing that, to eligible children. It was set in 1954 and has never been indexed, so it is a formality rather than a plan, but it must be claimed within two years of the death and is easily forgotten in a year when nothing is easy.
The 82.5% floor, and why it is the point of the page
A survivor is entitled to what the deceased worker was actually receiving — up to all of it, rather than the half a spousal benefit pays. Stated that baldly the rule looks brutal for a household where the higher earner claimed at 62: their check was permanently reduced by 30%, and the reduction appears to follow the survivor for the rest of their life. It does not, because of a floor that almost no calculator models and that has no memorable name outside SSA's own manuals, where it is the widow's limit, or RIB-LIM. A survivor is entitled to the greater of what the worker was receiving and 82.5% of the worker's full-retirement-age benefit. Work it through on the defaults: a $2,404 primary insurance amount claimed at 62 pays $1,683, but 82.5% of $2,404 is $1,983 — so the survivor's entitlement is $1,983, and the floor is worth $300 a month. The early claim still costs the survivor something, $421 a month against the $2,404 that waiting would have left, but it costs far less than the headline arithmetic suggests, and the difference is large enough to change a couple's claiming decision. The same comparison runs the other way with no extra rule. A worker who DELAYED past full retirement age was receiving more than their primary insurance amount, and the survivor inherits that larger figure, delayed credits and all — a worker who reached $2,981 at 70 leaves a survivor entitled to $2,981. And a worker who died before claiming at all leaves the full primary insurance amount with no floor needed. One max() covers all three cases, which is the tell that the floor is a floor and not a special case.
The one place where the order still matters
Deemed filing — the rule that filing for one retirement benefit files you for all of them — does not reach survivor benefits. That makes this the last corner of Social Security in which the ORDER of claiming is a genuine, live choice rather than a strategy that was closed in 2015. A survivor with a record of their own has two routes, and the page computes both on every run rather than picking one. Route A takes the survivor benefit as early as 60 and lets their own record grow untouched to 70: $1,418 a month for ten years, then $1,736 for life. Route B takes their own reduced benefit at 62 and switches to the full, unreduced survivor benefit at full retirement age: $980 for five years, then $1,983 for life. On these figures Route B ends $247 a month higher, but "ends higher" is not the same as "is better": Route A pays $438 a month more for the ten years before the switch, and how that trade resolves depends on how long the survivor lives and what they need in their sixties. The reduction schedules differ too, and the survivor one is unusual. A survivor benefit claimed at the earliest age is reduced by 28.5% in total, and that total is spread evenly across the months from 60 to full retirement age — a linear taper rather than the rate-per-month schedule that applies to retirement benefits. It also stops at full retirement age in the other direction: there are no delayed retirement credits on a survivor benefit, so waiting past that age adds nothing, which is exactly why Route B switches at 67 and not later.
Who qualifies, when, and the traps around the edges
Eligibility is wider than most people assume. A widow or widower married at least nine months qualifies from age 60, from 50 if disabled, and at any age at all while caring for the worker's child who is under 16 or disabled. A surviving divorced spouse qualifies on a marriage that lasted ten years, on the same terms and without any effect on what a current spouse receives. The worker's children under 18 qualify in their own right, and the family maximum can bind where several beneficiaries draw on one record at once. Remarriage is the trap, and it is a cliff rather than a slope: remarrying before 60 ends the survivor benefit outright, remarrying at 60 or later does not touch it. A wedding date a few months either side of a sixtieth birthday is therefore worth five or six figures, which is not a sentence anyone expects to read but is exactly what the rule says. Two more edges. A survivor claiming at 60 is very often still working, and the retirement earnings test applies to a survivor benefit exactly as it applies to a retirement one — benefits are withheld above the annual limit, and, as on the earnings-test page, the withheld whole months are credited back in a recomputation at full retirement age rather than forfeited. And a worker who died after their own full retirement age may have accrued delayed credits up to the month of death that this page does not add for you; if that is your case, check the award notice or SSA's own figure rather than relying on the estimate here.
Frequently asked questions
How much does a widow or widower actually get?
Up to 100% of what the deceased worker was receiving, not the 50% a spousal benefit pays — and if the worker had delayed past their full retirement age, the survivor inherits every one of those delayed credits too. Claiming before the survivor's own full retirement age reduces it, on a schedule that is genuinely different from the retirement one: the total reduction at the earliest age is 28.5%, spread evenly across the months from 60 to full retirement age rather than charged at a rate per month. On a $1,983 entitlement that is $1,418 at 60 against the full $1,983 at 67.
My spouse claimed at 62. Am I stuck with their reduced check forever?
No — this is the rule almost every calculator leaves out. A survivor is never held to a reduced benefit alone: the floor pays the higher of what the worker was actually receiving and 82.5% of the worker's full-retirement-age benefit. On a $2,404 full benefit the floor is $1,983, and a worker who claimed at 62 and was receiving $1,683 leaves a survivor entitled to $1,983 rather than $1,683 — the floor is worth $300 a month. An early claim by the higher earner still costs the survivor something, $421 a month here against the $2,404 they would have left by waiting, but far less than the headline suggests.
Do survivor benefits earn delayed retirement credits?
No. A survivor benefit stops growing at the survivor's own full retirement age, and waiting past it earns nothing — which is why the table on this page ends there. The credits that do reach a survivor are the WORKER's: a higher earner who delayed to 70 leaves a survivor benefit built on the larger check they were receiving, credits and all. That asymmetry is the whole argument for the higher earner in a couple delaying: the credits do nothing for a spousal benefit while both are alive and everything for the survivor benefit afterwards.
Can I take one benefit now and switch to the other later?
Yes, and this is the one place left in Social Security where the order is a genuine choice, because deemed filing does not reach a survivor benefit. Two routes, both computed on the page. Take the survivor benefit at 60 and let your own record grow to 70: $1,418 a month for ten years, then $1,736. Or take your own at 62 and switch to the full survivor benefit at 67: $980 for five years, then $1,983. On these figures the second route ends $247 a month higher — but which wins overall also depends on how many years each pays the smaller amount first, so read the ending figures alongside the years.
What does the household actually lose?
The smaller check, in full and immediately. Two checks worth $3,083 a month become one worth $1,983 — a drop of $1,100, or 36% of the household's Social Security income — while very few of the household's costs halve. Two things land in the same period and are worth planning for: the survivor files jointly for the year of death and single from the next, on narrower brackets and a lower standard deduction, and the same single thresholds then apply to the tax on benefits. There is also a one-time lump-sum death payment of $255, unchanged since 1954, which must be claimed within two years.
Who qualifies, and does remarrying end it?
A widow or widower married at least nine months qualifies from age 60, or from 50 if disabled, or at any age while caring for the worker's child who is under 16 or disabled. A surviving divorced spouse qualifies on a marriage that lasted ten years. The worker's children under 18 qualify in their own right. On remarriage the rule is a cliff rather than a slope: remarrying before 60 ends the survivor benefit, remarrying at 60 or later does not touch it — which is worth knowing before a wedding date is set.