How To Calculate Federal Poverty Level

Federal Poverty Level Calculator

Use this interactive calculator to estimate your household’s percentage of the federal poverty level (FPL) based on your location, household size, and income. This is commonly used to evaluate eligibility for Medicaid, CHIP, Marketplace premium tax credits, and other income-based programs.

FPL Calculator

Enter your annual or monthly household income, choose the guideline area, and select your household size. The calculator will convert the income if needed, compare it to the 2024 HHS poverty guideline, and show your percentage of FPL.

Expert Guide: How to Calculate Federal Poverty Level

The federal poverty level, usually shortened to FPL, is one of the most important income benchmarks used in the United States. If you are applying for Medicaid, Children’s Health Insurance Program coverage, Marketplace savings, hospital financial assistance, or another public benefit, there is a strong chance you will be asked how your household income compares to the federal poverty level. Understanding how to calculate it can help you estimate eligibility before you apply, compare income limits across programs, and make more confident financial decisions.

At its core, the calculation is straightforward: you compare your household income to the official federal poverty guideline amount for your household size and location. Once you divide your income by the guideline and multiply by 100, you get your percentage of FPL. That single percentage is often what agencies, insurers, and benefit programs use to decide where your income falls relative to the poverty threshold.

Formula: Federal Poverty Level Percentage = (Household Income ÷ Poverty Guideline for Your Household Size and Area) × 100

What the federal poverty level means

The federal poverty guidelines are annual income figures issued by the U.S. Department of Health and Human Services. These guidelines are based on family size and are updated each year. Most states and federal programs use them as a standard way to evaluate economic need. Although people often use the terms “federal poverty level,” “poverty guideline,” and “poverty line” interchangeably, there are technical differences. For practical eligibility purposes, the poverty guideline is the figure most consumers need.

For example, a household of four in the 48 contiguous states and Washington, DC has a different guideline than a one-person household. Alaska and Hawaii also use separate, higher guideline schedules because living costs and geographic conditions differ. That means the same income can represent a different FPL percentage depending on where a household lives and how many people are in the household.

How to calculate FPL step by step

1. Determine your household size. Count the number of people included for the program you are applying for. In many situations, that means you, your spouse if married, and tax dependents. Some programs use special household rules, so always confirm the exact definition.
2. Identify your location category. Select either the 48 contiguous states and DC, Alaska, or Hawaii. These categories have different poverty guideline values.
3. Find your household income. Most screenings start with gross income, not take-home pay. Gross income generally means income before taxes and deductions. If you only know your monthly amount, multiply by 12 to convert it to annual income.
4. Look up the poverty guideline. Use the official annual guideline that matches your household size and location.
5. Apply the formula. Divide annual household income by the annual guideline, then multiply by 100.
6. Interpret the result. If the result is 100, your income equals 100% of FPL. If the result is 138, your income is 138% of FPL. If the result is 250, your income is 250% of FPL.

Example calculation

Suppose a family of four lives in Texas and has an annual household income of $45,000. For 2024, the federal poverty guideline for a household of four in the 48 contiguous states and DC is $31,200. The math looks like this:

$45,000 ÷ $31,200 × 100 = 144.2%

That means the family is at about 144% of the federal poverty level. This is useful because many programs set eligibility based on percentages such as 100%, 138%, 150%, 200%, or 250% of FPL.

2024 federal poverty guidelines by household size

The following table shows official 2024 HHS poverty guideline amounts for the 48 contiguous states and DC, along with Alaska and Hawaii. These are annual amounts.

Household Size	48 States + DC	Alaska	Hawaii
1	$15,060	$18,810	$17,310
2	$20,440	$25,540	$23,500
3	$25,820	$32,270	$29,690
4	$31,200	$39,000	$35,880
5	$36,580	$45,730	$42,070
6	$41,960	$52,460	$48,260
7	$47,340	$59,190	$54,450
8	$52,720	$65,920	$60,640
Each additional person	+$5,380	+$6,730	+$6,190

Common benchmark percentages and what they are used for

Programs rarely stop at asking whether you are under 100% of FPL. More often, they compare income to a multiple of the poverty guideline. Here are some common thresholds:

• 100% FPL: the base poverty guideline itself.
• 138% FPL: a key threshold associated with Medicaid expansion for many adults in expansion states.
• 150% FPL: sometimes used in special subsidy structures and assistance programs.
• 200% FPL: a frequent cutoff for reduced-cost services, cost-sharing support, or institutional aid.
• 250% FPL: often seen in health, prescription, and nonprofit assistance policies.
• 400% FPL: historically important for Marketplace premium tax credit calculations, though recent subsidy rules may reduce the importance of this exact ceiling in some years.

Household of 4, 48 States + DC	Income Amount	Meaning
100% FPL	$31,200	Base 2024 poverty guideline
138% FPL	$43,056	Important Medicaid expansion benchmark
150% FPL	$46,800	Common program comparison point
200% FPL	$62,400	Frequently used in aid and fee reduction programs
250% FPL	$78,000	Common assistance eligibility threshold
400% FPL	$124,800	Historic Marketplace subsidy reference point

Monthly income vs. annual income

One of the biggest sources of confusion is whether you should use monthly or annual income. The federal poverty guidelines themselves are annual numbers, so if you are calculating FPL manually, annual income is the easiest format. If you only know your monthly gross income, multiply it by 12. For instance, if your household earns $3,750 per month, your annualized income is $45,000. You would then compare that annual figure to the appropriate annual poverty guideline.

Some agencies evaluate current monthly income, while others use projected annual income. Health coverage applications, especially through the Marketplace, may rely on annual household income expectations. Medicaid programs may be more focused on current monthly income rules. That means the same household could be asked to present income differently depending on the program. The math is still similar, but the income definition can vary.

What counts as household income

The right income number depends on the program. In many health coverage contexts, agencies look at a version of modified adjusted gross income, or MAGI. For other programs, gross wages and other income sources may be counted differently. Household income may include wages, self-employment earnings, unemployment compensation, Social Security benefits in some cases, interest, alimony under applicable tax rules, or other taxable income. Some types of support may not count. Because the rules are program-specific, the most accurate calculation always starts with the program’s own income definition.

This is why two people with the same pay stubs might still see different eligibility outcomes if one program counts a certain income source and another does not. A calculator can estimate your FPL percentage, but it cannot replace the exact eligibility formula used by every agency.

How household size affects FPL

Household size is central to the calculation because the poverty guideline rises as the number of people in the household increases. A one-person household has a much lower poverty guideline than a family of six. That means a household earning $40,000 may be well above 200% of FPL for one person, but much closer to the poverty threshold for a larger family.

For households larger than eight, the federal government provides an additional amount per person instead of publishing every number separately. In 2024, the amount added for each additional person is $5,380 in the 48 contiguous states and DC, $6,730 in Alaska, and $6,190 in Hawaii.

Why FPL matters for health coverage

FPL is especially important in health insurance. Medicaid expansion for adults in many states generally reaches up to 138% of FPL. The Health Insurance Marketplace uses income relative to FPL to determine premium tax credits and, in some cases, cost-sharing reductions. Children’s coverage thresholds can go higher than adult thresholds and vary by state. Hospital charity care and sliding-scale clinic fees may also use FPL percentages to set discounts.

Because of this, learning how to calculate federal poverty level is more than a math exercise. It can directly affect whether a family qualifies for low-cost insurance, reduced deductibles, free preventive services, or lower out-of-pocket medical bills.

Common mistakes when calculating FPL

• Using net pay instead of gross income. Many applicants accidentally use take-home pay after taxes. Programs usually want gross income or a specific tax-based income figure.
• Using the wrong household size. Counting only people living in the home can be inaccurate if the program uses tax household rules.
• Ignoring Alaska or Hawaii adjustments. These locations have higher poverty guideline amounts.
• Forgetting to annualize monthly income. A monthly figure must be multiplied by 12 when compared to annual guidelines.
• Assuming every program uses the same FPL threshold. Eligibility levels differ widely by benefit type and state.
• Using an outdated guideline year. Poverty guidelines are updated annually, so old numbers can give misleading results.

When an estimate is enough and when you need an official determination

An online calculator is ideal when you want a quick estimate. It can tell you whether you are roughly below 138% of FPL, near 200% of FPL, or comfortably above a certain benchmark. That is useful for planning and comparison shopping. However, if you are applying for Medicaid, Marketplace coverage, school-based aid, or another formal program, the agency will make the official determination based on your application details and documentation.

Income timing, tax filing status, family relationships, self-employment adjustments, and state-specific program rules can all influence the final outcome. The calculator on this page should be treated as an educational planning tool, not legal or benefits advice.

Authoritative sources for federal poverty level data

For official information, review the source materials directly:
U.S. Department of Health and Human Services poverty guidelines
HealthCare.gov explanation of the federal poverty level
Medicaid.gov eligibility overview

Final takeaway

If you want to know how to calculate federal poverty level, remember the core process: identify the correct poverty guideline for your household size and location, determine your gross household income, convert it to an annual amount if needed, divide income by the guideline, and multiply by 100. The result is your FPL percentage. Once you know that number, you can compare it to the thresholds commonly used by Medicaid, Marketplace coverage, and other need-based programs.

Used correctly, the FPL calculation provides a fast and practical snapshot of where your household stands. It is one of the clearest ways to translate raw income into an eligibility benchmark that public programs actually use.

Data reference used in this calculator: 2024 HHS Poverty Guidelines. Always verify the current year guideline and the specific income-counting rules of the program you are applying for.