Earnings History (for SSDI Estimate)
$
Average earnings over your working years
yrs
Years with substantial earnings
yrs
SSI Eligibility Check (optional)
$
Wages, pensions, other support
$
SSI limit: $2,000 single / $3,000 couple
Estimated SSDI Monthly Benefit
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AIME
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avg indexed monthly earnings
Annual SSDI
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per year
SSI Benefit
—
if eligible ($967/mo max 2025)
Benefit Calculation Breakdown
| Step | Value | Notes |
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SSDI vs SSI: What's the Difference?
The Social Security Administration offers two disability programs with very different eligibility rules:
| Feature | SSDI | SSI |
|---|---|---|
| Basis | Work history & credits | Financial need |
| 2025 Max Benefit | ~$3,822/mo | $967/mo (individual) |
| Asset Limit | None | $2,000 individual / $3,000 couple |
| Medicare/Medicaid | Medicare after 24 months | Medicaid immediately |
| Work Credits Required | Yes (20 credits in last 10 yrs) | No |
📋 2025 key figures: Average SSDI benefit = $1,537/mo | Maximum SSDI = $3,822/mo | SSI federal benefit rate = $967/mo (individual), $1,450/mo (couple) | Substantial Gainful Activity (SGA) limit = $1,620/mo.
Frequently Asked Questions
How long does SSDI approval take?
Initial SSDI applications typically take 3–6 months to process. About 65–70% of initial applications are denied. If denied, you can request reconsideration (another 3–6 months), then a hearing before an Administrative Law Judge (ALJ) — the most successful appeal level, where about 55% of applicants are approved. The entire process from application to ALJ hearing can take 2–3 years. Hiring a disability attorney (who works on contingency — no fee unless you win) significantly improves approval odds.
What is the 5-month waiting period for SSDI?
SSDI has a mandatory 5-month waiting period. Benefits begin on the 6th full month of disability. Your "established onset date" (EOD) determines when your disability began, and the SSA may pay up to 12 months of back benefits before your application date if you can prove earlier disability. If approved after a long appeal, you may receive a significant lump sum of back pay.
Can I work while receiving SSDI benefits?
Yes, with limits. The 2025 Substantial Gainful Activity (SGA) limit is $1,620/month for non-blind individuals ($2,700 for blind). Earning above SGA can end your SSDI eligibility. However, the SSA offers a "Trial Work Period" (TWP) — you can test your ability to work for up to 9 months (not necessarily consecutive) in a 60-month period and still receive full SSDI benefits regardless of earnings during those months.
Will SSDI automatically convert to retirement benefits?
Yes. When you reach full retirement age (FRA — 67 for those born 1960 or later), your SSDI automatically converts to Social Security retirement benefits. The monthly amount generally stays the same. This is actually advantageous — SSDI recipients receive retirement benefits at FRA without the reduction that would apply to early retirement. You don't need to do anything for this conversion to happen.
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