Disability Insurance Needs Calculator
Compute how much long-term disability coverage you need. Identifies the gap between essential expenses and employer LTD. Free, no signup.
Disability Insurance Needs Calculator
Computes the gap between your essential monthly expenses and what your employer's group LTD would actually pay. Handles the tax-treatment trap: employer-paid LTD benefits are TAXABLE; individually-paid policies pay tax-free — a difference that materially changes how much you really need.
How to Use the LTD Calculator
Find your group LTD percentage
From your benefits booklet (SPD) or HR portal. Typical US employer plans: 60% of base salary with a USD 10K-20K/month cap. Some include bonus/commission, many don't — read the definition of "covered compensation" carefully.
Check who pays the premium
If your employer pays the premium (most common): benefit is TAXABLE as ordinary income. If you pay via after-tax payroll deduction: benefit is TAX-FREE. Some employers offer a "gross-up" option — opting to have the premium added to taxable income now, making future benefits tax-free.
Use essential monthly expenses
Mortgage/rent, food, utilities, insurance, minimum debt service, basic transportation, childcare. NOT discretionary spending. A typical US household's essentials are 55-70% of gross monthly income.
Close the gap with individual coverage
The tool's recommended additional coverage is the monthly shortfall. Individual LTD policies are sold separately from group plans and follow you across employers. Premium typically 1-3% of insured income annually for healthy 30-45 year-olds.
Long-Term Disability — The Most Underpurchased Insurance
Why It Matters More Than People Think
The Social Security Administration estimates that 1 in 4 of today's 20-year-olds will experience a disability lasting 90+ days before retirement age. Most are NOT catastrophic accidents — the leading causes are musculoskeletal (back/joint), cancer, heart disease, and mental health, in that order. The financial impact is severe: lost income, often increased medical costs, and the standard "emergency fund" of 3-6 months is rapidly exhausted. Yet LIMRA's 2024 study found only 15% of US workers own individual LTD coverage, and 30% of those with group LTD don't realize their benefits are taxable.
The math: a healthy 35-year-old earning USD 90K who becomes disabled at 40 loses roughly USD 2M of remaining lifetime earnings. Compared to that present-value loss, a USD 1,500/year LTD premium for an individual policy is among the highest-leverage insurance purchases available. The fee is high relative to the rare-event nature, but the consequence of an uncovered disability dwarfs nearly any other personal financial risk.
Group LTD vs Individual — The Tax Trap
Employer-paid group LTD has hidden costs not obvious in the benefits summary. (1) The benefit is taxable, so a "60% replacement" plan really replaces ~45% after tax. (2) "Own-occupation" coverage usually lasts only 24 months in group plans — after that, you must be unable to perform ANY occupation to keep collecting. (3) Coverage ends when employment ends — you can't keep it after layoff or job change. (4) Group plans often exclude bonus and commission income from "covered compensation".
Individual LTD policies solve all four: tax-free benefit (if you pay premium with after-tax dollars), true own-occupation for the full benefit period (often to age 65), portable across jobs, and can cover the full income including bonus. The trade-off is cost — 1-3% of insured income annually vs ~0.3% for employer-paid group coverage. For professionals with high income (USD 100K+) or specialized skills (physicians, dentists, lawyers, engineers), individual coverage is often essential.
"SSA stats: 1 in 4 of today's 20-year-olds will become disabled before retirement. The leading causes are mundane (back/joint pain, cancer, heart disease, mental health) — not the dramatic accidents most people imagine when thinking about disability."
The Three Definitions That Decide a Claim
When you file a disability claim, the policy's "definition of disability" determines whether it pays. The strictest is "any-occupation" — you must be unable to do ANY work for any wage. The most generous is "own-occupation" — you must be unable to do YOUR specific job (a surgeon with a hand tremor still qualifies even though they could work as a consultant). Most group plans use own-occ for 24 months, then any-occ. Best individual policies offer true own-occ for the full term to age 65 — at higher premium. Other definitions worth checking: "modified own-occ" (own-occ if not working in another field, any-occ if employed elsewhere) and "presumptive disability" (automatic approval for loss of sight, hearing, speech, multiple limbs).
Why the Elimination Period Choice Saves More Than You'd Expect
Every LTD policy has an elimination period — the wait between disability onset and the first benefit payment. Standard options: 30, 60, 90, 180, or 365 days. Longer waits dramatically lower the premium — moving from 90 to 180 days typically cuts premium 20-30%. The trick is that your emergency fund effectively self-insures the elimination period. A retiree with 6 months of essential expenses in cash can pick a 180-day elimination period; someone living paycheck-to-paycheck needs the 30-day option and pays for it. Coordinate this choice with your emergency fund — buying coverage you don't need (short waiting period) is one of the easiest LTD over-spends to avoid.
10 Facts About US Disability Insurance
SSA: 1 in 4 of today's 20-year-olds will experience disability lasting 90+ days before retirement.
Industry target: 60-70% income replacement via LTD coverage.
If employer pays the LTD premium, the benefit is TAXABLE. If you pay after-tax, benefit is TAX-FREE.
Leading causes of LTD claims: musculoskeletal (29%), cancer (15%), pregnancy (10%), mental health (9%).
LIMRA 2024: only 15% of US workers own individual LTD. 40% have NO disability coverage at all.
Group LTD typically uses "own-occupation for 24 months", then "any-occupation" — much harder to claim.
Best individual policies: true own-occupation to age 65, no offset for SSDI, residual benefits for partial disability.
SSDI (Social Security Disability Insurance) average benefit: USD 1,500/month. Approval rate ~35% on first application.
Elimination period (waiting period before benefits start): typically 90-180 days. Longer = lower premium.
Specialty-specific own-occupation coverage is critical for physicians/dentists — your specialty's specific work, not generic medical practice.
Frequently Asked Questions
- If you depend on your income — yes. SSA estimates 1 in 4 of today's 20-year-olds will be disabled at some point before retirement. The financial impact of losing income for years dwarfs nearly any other personal risk. Disability insurance is the highest-leverage coverage for working professionals, especially in the 25-55 age band where the income-at-risk is largest.
- Aim to cover your essential monthly expenses (mortgage, food, utilities, insurance, minimum debt service) plus enough margin for discretionary spending. The tool computes this from gross income, essential expenses, and existing employer LTD. Typical target is 60-70% of gross income — but the after-tax math matters: a "60% taxable" group benefit nets only ~45% after tax.
- Have both. Group LTD (employer-provided) is cheap or free, but coverage often gets thinner over time (own-occ → any-occ after 24 months) and disappears when you leave the employer. Individual LTD is more expensive but portable across jobs, tax-free if you pay premium, and offers true own-occupation for the full term. Most planners recommend supplementing group with individual coverage to close gaps + ensure portability.
- Own-occupation means you qualify for disability benefits if you can't perform YOUR specific job. A surgeon with a hand tremor still qualifies under own-occ even if they could work as a consultant. Any-occupation requires you can't do ANY work — much harder to claim. Most group LTD plans use own-occ for the first 24 months, then switch to any-occ. Quality individual policies offer true own-occ for the full term (often to age 65) — critical for specialized professionals.
- Social Security Disability Insurance (SSDI) exists but is much narrower than private LTD. SSDI requires you to be unable to perform ANY substantial gainful activity for at least 12 months. Approval rate on first application is ~35%; average wait for initial decision is 7-9 months. Benefits average USD 1,500/month — meaningful but not enough alone for most middle-income households. Treat SSDI as a backstop, not a primary plan.
- Roughly 1-3% of insured income annually for healthy 30-45 year-olds. A USD 5K/month policy for a healthy 35-year-old typically costs USD 100-200/month. Premium rises with: age, occupation hazard (manual labor higher), benefit period length (lifetime vs to-65 vs 5-year), waiting period (shorter = more expensive), and policy features (own-occ definition, COLA rider, residual benefits).
- As early as you have income that supports your lifestyle. Premiums lock at issue and remain level through the policy term — buying at 30 vs 40 typically saves USD 5-10K of cumulative premium. Health also matters: any chronic condition that develops between 30 and 40 can substantially increase or even prevent coverage. The right time is "when you're young AND healthy" — these conditions can be brief.
- Even more critical — you have NO group LTD. Self-employed professionals are the most exposed to disability income loss. Underwriting is also more rigorous (need 2-3 years of tax returns to prove income, lower benefit limits than W-2 employees). Consider also "business-overhead expense" insurance to cover business fixed costs during disability — a separate product that pays rent, utilities, staff salaries while you recover.
- The "Big 6" individual disability carriers: Guardian (best for physicians), Principal, MassMutual, Mutual of Omaha, Ameritas, and The Standard. Work with an independent broker who can compare quotes across carriers — premium and coverage definitions vary materially. Avoid captive (single-carrier) agents. For physicians/dentists specifically, AAFP / AMA / ADA-endorsed plans through select carriers often have specialty-specific definitions worth checking.
- Group LTD typically ends when employment ends. Some plans allow conversion to an individual policy without re-underwriting if elected within 30-60 days post-termination — usually at substantially higher premium. Individual LTD policies are portable — they follow you regardless of employer. This portability is the #1 reason to buy individual coverage even if your current employer's group LTD is strong.
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