To calculate SSI benefits for 2026, start with the federal benefit rate of $994 per month for an individual or $1,491 for an eligible couple, then subtract your countable income after SSA’s exclusions and any reduction for your living arrangement.1Social Security Administration. SSI Federal Payment Amounts for 2026 Whatever is left is your monthly payment. The formula is short. The rules for what counts as income are where the work actually is.
The Basic Formula
Every SSI calculation is the same subtraction: federal benefit rate minus countable income equals your monthly check. The 2026 rates reflect a 2.8 percent cost-of-living adjustment, and the first payment carrying the new amount arrives at the end of December because January 1 is a federal holiday.2Social Security Administration. Latest Cost-of-Living Adjustment
If you have no countable income and live independently, you get the full $994. Most people have some income, so the payment lands lower. The two variables you have to work out are (1) how much of your income actually counts after exclusions and (2) whether your living situation reduces the starting number.
Clear the Resource Test First
Before any of this math matters, your countable resources have to sit at or below $2,000 as an individual or $3,000 as a couple.3Social Security Administration. 2026 Cost-of-Living Adjustment (COLA) Fact Sheet Countable resources include bank balances, stocks, and cash. Your home and the land it sits on don’t count while you live there. Neither does one vehicle per household, your personal belongings, or property you can’t sell.4Social Security Administration. Exceptions to SSI Income and Resource Limits Go over the limit and eligibility stops, no matter how the income calculation comes out.
What Income SSA Counts
SSA sorts income into earned and unearned, and each gets different treatment.5eCFR. 20 CFR Part 416 Subpart K – Income Earned income is wages and net self-employment earnings. Unearned income is nearly everything else: Social Security retirement or disability payments, pensions, interest, unemployment compensation, and cash gifts. Earned income is treated more favorably because SSA wants to reward work.
Two other categories can enter the picture. In-kind support and maintenance is food or shelter someone provides you for free or below market value, and it’s handled through the living arrangement rules rather than dollar-for-dollar. Deemed income applies when you live with an ineligible spouse or, if you’re a child, with a parent; part of that person’s income can be attributed to you.6Social Security Administration. Code of Federal Regulations 416.1163
The Exclusions That Change the Math
Raw income is not what gets subtracted. SSA runs it through a stack of exclusions first, and this is where most people’s payment gets protected.
General Income Exclusion
The first $20 per month of unearned income is ignored. If you have no unearned income, the $20 shifts to your earned income instead.7Social Security Administration. Understanding Supplemental Security Income Living Arrangements You get one $20 exclusion, not two.
Earned Income Exclusion
On top of the $20, SSA ignores the first $65 of gross monthly wages, then disregards half of whatever is left.8Social Security Administration. Income and Resource Exclusions The practical effect: every additional dollar you earn reduces your SSI by roughly 50 cents.
Student Earned Income Exclusion
If you’re under 22 and regularly attending school, you can exclude up to $2,410 per month in earnings, capped at $9,730 for the year in 2026.9Social Security Administration. Student Earned Income Exclusion for SSI SSA applies this before other earned-income exclusions. “Regularly attending” means at least 8 hours per week in college, 12 hours per week in grades 7 through 12, or 12 to 15 hours per week in vocational training.10Social Security Administration. Spotlight on Student Earned Income Exclusion
Impairment-Related and Blind Work Expenses
If you receive SSI on a disability other than blindness, you can deduct the cost of items or services you need because of your disability in order to work, such as modified vehicle costs or prosthetic devices.11Social Security Administration. FAQ – Impairment-Related Work Expenses This deduction comes off earnings before the halving step.
If you qualify as blind, a broader set of work expenses can be excluded, and they don’t have to relate to your vision. Income taxes, union dues, meals at work, and childcare all qualify.12Social Security Administration. Code of Federal Regulations 416.1112 Blind work expenses come out after the halving, which actually produces a bigger reduction in countable income than the impairment-related version.
Plan to Achieve Self-Support
Money you set aside under an approved PASS toward a specific work goal, such as education, training, or starting a business, doesn’t count against your income or your resources.13Social Security Administration. Plan to Achieve Self-Support (PASS) Overview The funds have to sit in a separate account and be used only for expenses in the plan.
Living Arrangement Adjustments
Before your countable income even gets subtracted, your living situation can pull the starting number down. Two rules do this work.
The One-Third Reduction
If you live in someone else’s household for a full calendar month, that person provides your shelter, and others in the household provide all your meals, SSA cuts the federal benefit rate by a flat one-third — about $331 off the $994 individual rate in 2026.14eCFR. 20 CFR Part 416 Subpart K – In-Kind Support and Maintenance All three conditions have to be true. Pay even part of your fair share of household expenses and this rule doesn’t apply.
The Presumed Maximum Value Rule
For every other kind of in-kind support, SSA uses the presumed maximum value rule. The most that can be charged against you is one-third of the federal benefit rate plus $20, which is $351.33 for an individual in 2026. If you can show the actual value of the food or shelter you receive is lower, SSA uses the lower figure. This rule catches situations like living in your own place while a relative pays your rent, or living in someone else’s home while buying some of your own food.
Working Through an Example
Suppose Maria earns $800 per month from a part-time job and receives $280 per month in Social Security survivors benefits. She rents her own apartment and pays her own food and utilities.
Step 1. Apply the general exclusion to unearned income. $280 − $20 = $260 countable unearned income.
Step 2. Apply the earned income exclusion. $800 − $65 = $735. Then divide by two: $735 ÷ 2 = $367.50 countable earned income.
Step 3. Add the two together. $260 + $367.50 = $627.50 total countable income.
Step 4. Check the living arrangement. Maria lives independently and pays her own expenses, so no reduction. Her base stays at $994.
Step 5. Subtract. $994 − $627.50 = $366.50 monthly SSI payment.
Change one variable and the answer moves substantially. If Maria instead lived in her mother’s home and got all her meals there, the one-third reduction would drop her base rate to roughly $663 before her countable income was ever subtracted. Living arrangement often surprises people more than the income exclusions do.
The Two-Month Lookback
SSA calculates most months’ payments using income from two months earlier.15Social Security Administration. SSA Handbook 2132 Wages you earn in March affect your May check, not your March check. If you stop working, your payment won’t jump up right away; the old income has to cycle through the formula first. The exception is the first two months of eligibility, which use current-month income before the two-month lag kicks in.
State Supplements
The federal benefit rate isn’t the final number in most of the country. Forty-two states and the District of Columbia add a state supplement.16Social Security Administration. Understanding Supplemental Security Income SSI Benefits Amounts range from under $50 to several hundred dollars per month. The places that add nothing are Arizona, Arkansas, Mississippi, North Dakota, Tennessee, West Virginia, and the Northern Mariana Islands.
Eleven states and D.C. have SSA administer their supplement, so it arrives with the federal payment automatically. The other 33 run their own programs, which can mean a separate application, a separate check, or eligibility rules that differ from the federal ones.17eCFR. 20 CFR Part 416 Subpart T – State Supplementation Provisions If you live in a state-administered supplement state, the federal SSI calculation won’t include the extra amount, and you’ll need to check with your state social services agency to confirm what you should receive.