Disability Insurance Needs Calculator
Disability insurance replaces a portion of your earned income if you become unable to work due to illness or injury. The industry standard, referenced by LIMRA and consistent with Social Security Administration guidance, is to target 60 to 70 percent of gross income as the monthly benefit. Individually owned policies are typically paid with after-tax premiums, so benefits are received income-tax-free, meaning 60 to 70 percent of gross closely approximates your net take-home pay. This calculator shows your target monthly benefit, the gap after accounting for existing coverage, and how much emergency savings you need during your elimination period.
Disability income replacement formula
Target Monthly Benefit = (Annual Gross Income x Replacement %) / 12
Monthly Gap = Target Monthly Benefit - Existing Benefits - SSDI
Emergency Savings = Monthly Expenses x (Elimination Days / 30)
The Social Security Administration recommends reviewing your SSA statement annually to understand your projected SSDI benefit, which can be factored into your private coverage needs.
Key disability insurance concepts
- Own-occupation definition: The gold standard; pays if you cannot perform your specific occupation, even if you could work in another field.
- Any-occupation definition: Only pays if you cannot perform any occupation you are reasonably suited for. This is a more restrictive standard.
- Non-cancelable: The insurer cannot cancel or raise premiums as long as you pay. Preferred for long-term coverage.
- COLA rider: Cost-of-living adjustment increases your benefit with inflation, important for long benefit periods.
Frequently asked questions
How much of my income should disability insurance replace?
The standard industry guideline, referenced by LIMRA and the Social Security Administration, is to replace 60 to 70 percent of your gross income. This accounts for the fact that disability benefits are often received tax-free (for individually-owned policies), so a lower percentage still approximates your after-tax take-home pay.
What is the elimination period?
The elimination period is the waiting period before your disability benefits begin, similar to a deductible measured in time rather than dollars. Common elimination periods are 30, 60, 90, or 180 days. Longer elimination periods lower your premium but require more emergency savings to bridge the gap.
What is the benefit period for disability insurance?
The benefit period is how long benefits are paid if you remain disabled. Options range from 2 years, to age 65, to lifetime. A benefit period to age 65 is often recommended to cover long-term disabilities, as the Social Security Administration reports that 1 in 4 workers will become disabled before retirement.
Does Social Security disability cover most of my income?
Social Security Disability Insurance (SSDI) replaces only a portion of income, typically 40 percent of pre-disability earnings for average earners. The application process is lengthy and most initial claims are denied. Private disability insurance fills the gap and provides faster, more reliable coverage.
Can I get disability insurance if I am self-employed?
Yes. Self-employed individuals can purchase individual disability income policies. Premiums are based on your documented income (usually shown on tax returns), occupation class, age, and health. As a self-employed person, you may have no employer-sponsored coverage at all, making private disability insurance especially important.
Official sources
- Social Security Administration: Social Security Disability Insurance.
- Social Security Administration: Disability Benefits Publication EN-05-10029.
- U.S. Department of Labor: Disability Insurance Consumer Information.
Reviewed by the CalculatorHub team, edited by James Graham, 14 June 2026. See our methodology.