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AMI Income Limit Calculator

AMI-based income limits determine affordable housing eligibility.

Household size

AMI (4-person)

Program AMI %

Utility allowance / mo

Income limit

$60,000

Max monthly rent

$1,400

Household-adjusted AMI

$100,000

How the math works

Adjustment by household size: 70% (1), 80% (2), 90% (3), 100% (4), 108% (5). Limit = AMI × size × %.

4-person $100k AMI × 100% × 60% = $60k limit. Max rent: $60k × 30% / 12 − $100 UA = $1,400.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This AMI Income Limit Calculator is built to give a quick, browser-based estimate for ami income limit. AMI-based income limits determine affordable housing eligibility. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the ami income limit result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this ami income limit estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter household size.
Enter area median income (AMI).
Enter program AMI % (30/50/60/80).
Read income limit + rent cap.

Frequently Asked Questions

What is AMI?

Area Median Income: HUD-published median household income by MSA, adjusted for household size. Published annually. Used to set income limits for LIHTC, HOME, Section 8, tax-exempt bonds, and state programs. Vary by area: high-cost markets (SF: $180k AMI 4-person) vs low-cost (rural MS: $55k AMI 4-person). Critical benchmark for affordable housing compliance.

LIHTC income limits?

60% AMI and 50% AMI most common. Income limit = AMI × 60% (or 50%). 4-person household at $100k AMI × 60% = $60k income limit. Household size adjustments: 70% for 1 person, 80% for 2, 90% for 3, 100% for 4, 108% for 5, 116% for 6, etc. Income tested at move-in and at recertification. Over-income after move-in: some programs allow; some require exit.

Rent limits?

LIHTC rent limit: (AMI × % × 30%) ÷ 12 × (1 + tenant-paid utilities) − utility allowance. Example: 60% AMI × $60k × 30% = $18k/yr ÷ 12 = $1,500/mo − $100 utility allowance = $1,400 max rent. Restricted for 15-year LIHTC compliance period plus 15 years extended use (30 years total typical). Rents grow with AMI; no market rent increases allowed.

Program mix?

30% AMI: Extremely low-income. 50% AMI: Very low-income (standard LIHTC + Housing Choice Voucher). 60% AMI: LIHTC standard. 80% AMI: Low-income (Section 8 and workforce housing). 100-120% AMI: Moderate-income (workforce). Mixed-income projects blend multiple. Some programs require minimum % set-aside at specific AMI levels (e.g., 20% at 50% AMI minimum for LIHTC).