Disability Insurance Calculator United States

This disability insurance calculator estimates the monthly and annual benefit (usually around 60% of gross income) and how much income it leaves uncovered.

What it does

The Disability Insurance Calculator estimates the monthly and annual benefit a disability policy would pay if you could not work, based on the share of your gross income the policy replaces — usually capped around 60% — and shows how much of your income the policy leaves uncovered.

Data sources & parameters

This calculator uses standard financial formulas and runs entirely in your browser. It needs no external rate data — your result is computed only from the values you enter above.

We always strive to use the latest data for every variable so our results and reports are as accurate as possible. Even so, errors are possible — you should not rely on this tool or its report alone, and we accept no liability for any decision made based on it.

The formula

Annual benefit = income × coverage% ; Monthly benefit = annual benefit ÷ 12 ; Uncovered = income − annual benefit

How it works

It multiplies your annual gross income by your chosen coverage percentage to get the annual benefit, divides that by 12 for the monthly benefit, then subtracts the benefit from your income to reveal the uncovered gap you would have to bridge from savings or other sources.

Where it is used

Sizing how much disability coverage you actually need
Comparing a 50%, 60% or higher income-replacement policy
Seeing the income gap a policy would leave you to cover

Worked example

On a $60,000.00 salary a 60% policy pays … a year — about … a month — and leaves … of income uncovered.

Disability insurance replaces part of your paycheck if an illness or injury stops you from working. Most policies pay a fixed share of your gross income, so the questions are how much you would receive and how much income would be left uncovered. Enter your annual gross income and your policy’s coverage percentage, and this disability insurance calculator returns the annual benefit, the monthly benefit and the income the policy does not cover.

How the benefit is calculated

The coverage percentage times your gross income is the annual benefit, and dividing by twelve gives the monthly payment. Income minus the benefit is the uncovered portion. Someone earning $60,000 a year with a 60% policy would receive $36,000 a year, or $3,000 a month, leaving $24,000 of income unreplaced.

Why coverage is capped below 100%

Insurers keep a gap on purpose, so that returning to work always pays better than staying on claim, which limits fraud and cost. Typical replacement rates are 50% to 60%. Employer group plans are often at the higher end, and an individual policy can sometimes be added on top to raise total coverage. The cap depends on the policy you choose, not on a fixed legal rate, so you set the percentage yourself.

How tax changes the real number

When an employer pays the premium with pre-tax dollars, the benefit is generally taxable, so a 60% benefit might net closer to 45% after tax. When you pay the premium with after-tax dollars, the benefit is usually tax-free, which makes a lower percentage worth more than it looks. This tool works in gross terms, so when comparing two policies, check who pays the premium.

Closing the uncovered gap

The uncovered figure is the part of your income no policy will pay, which an emergency fund, a partner’s earnings or other benefits would have to cover. If the monthly benefit is below your essential expenses (housing, food, insurance and debt payments), you can raise the coverage percentage where your policy allows or build a larger cash reserve. Run a few scenarios to see how much each one changes.

A worked example

Suppose you earn $100,000 a year and your group plan replaces 50% of gross income. The annual benefit is $50,000, the monthly benefit about $4,167, and $50,000 of income is uncovered. If an individual policy raised your effective coverage to 65%, the annual benefit would be $65,000 and the uncovered gap $35,000.

Assumptions and limitations

This is a planning estimate, not a quote. It treats the benefit as a flat percentage of gross income and does not model waiting periods, benefit-period limits, cost-of-living riders, offsets for Social Security disability, or the monthly dollar caps many policies impose. It does not adjust for whether your benefit would be taxable. Use it to size roughly how much coverage you need, then confirm the exact terms in the policy documents or with a licensed insurance professional before you buy.

About This Disability Insurance Calculator

Use this disability insurance calculator to get an instant estimate based on the figures you enter. Adjust the inputs above to match your situation, or browse all our calculators to plan your next step.

Frequently asked questions

How much of my income does disability insurance replace?

Most policies replace between 50% and 60% of your gross income. Group coverage through an employer often sits near 60%, while individual policies you buy yourself can be structured higher. Insurers cap the percentage on purpose so there is always an incentive to return to work, which is why 100% replacement is almost never offered.

Is the disability benefit taxable?

It depends on who paid the premium. If your employer paid it with pre-tax dollars, the benefit is usually taxable. If you paid it yourself with after-tax dollars, the benefit is generally tax-free. So a 60% taxable benefit can be worth less in your pocket than a 50% tax-free one.

What is the difference between short-term and long-term disability?

Short-term disability covers a few weeks to about a year right after an illness or injury. Long-term disability starts once short-term ends and can pay until you recover or reach retirement age. This calculator estimates the replacement benefit, which applies to either type once benefits begin.

Should I base coverage on gross or take-home pay?

This tool uses gross income because that is how policies define the replacement percentage. A benefit is often paid without payroll taxes deducted, so a 60% benefit can feel closer to your normal take-home pay than the percentage suggests. Compare the monthly benefit with your actual monthly expenses.

Why does the calculator show an uncovered income gap?

No policy replaces all of your income, and the uncovered gap is the part you would need to cover from emergency savings, a spouse's income or other benefits. It helps you decide whether to raise your coverage percentage, build a larger cash reserve, or both.

About the author

Written and reviewed by

Taha Kheirandish

Economics student and independent researcher

Taha Kheirandish reads tax codes the way other people read maps — to find out where a system actually leads, not where it claims to go.

He is an economics student, and his work here is comparative by design. A pension deferral bonus in Quebec, a commuting allowance in Germany, a rent-increase ceiling in the Netherlands: each is a decision a government made about how money should move, and each reads differently once you set it beside eight others. He builds and checks these calculators across nine markets from primary sources — the regulation rather than a summary of it, the ministry’s own circular rather than a news item quoting it.

That is the editorial standard of the site as well as his habit. Every rate, threshold and bracket here carries the document it was read from and the date it takes effect, and gets re-checked when the law moves rather than when someone happens to notice.

He is a researcher, not a licensed adviser, and nothing on this site is personal financial advice. It is arithmetic done carefully with its sources shown — so that you can check it, and take it to someone who is.

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