3x Rent Calculator

Background.

This 3x rent page is built to translate a screening multiple into required gross monthly income. Three-times-rent is a landlord screening policy, not a statutory affordability test, and included housing charges vary by policy. The implemented convention is “required monthly gross income = (monthly rent + other included housing cost) × screening multiple.”

The editable entries are monthly rent, required gross-income multiple, other required monthly housing costs included by screening rule. Use values from the document or measurement that governs this 3x rent question; the defaults are only the worked fixture below. Income documentation, vouchers, guarantors, local fair-housing rules and alternative screening are not evaluated. If that 3x rent condition is not true, choose a calculation that models the missing convention.

Fannie Mae Selling Guide B3-3.1-08, Rental Income; documented gross and net rental-income treatment documents the convention or governing rule used here. The 3x rent output is a transparent scenario under those facts: it does not manufacture an unentered market price, professional determination, carrier quote, legal eligibility finding or locally adopted code value.

What is 3x rent calculator?

3x Rent is the relationship behind this decision: three-times-rent is a landlord screening policy, not a statutory affordability test, and included housing charges vary by policy. On this page it means required monthly gross income = (monthly rent + other included housing cost) × screening multiple. Income documentation, vouchers, guarantors, local fair-housing rules and alternative screening are not evaluated; that is the line between the reported quantity and a broader real estate analysis.

How to use this calculator.

1. 01Confirm that “required monthly gross income = (monthly rent + other included housing cost) × screening multiple” matches the 3x rent convention you need.
2. 02Replace the fixture values for monthly rent, required gross-income multiple, other required monthly housing costs included by screening rule with dated values from the governing record.
3. 03Keep all currencies, measurement units and time periods on the same basis before calculating.
4. 04Read required monthly gross income together with this boundary: Income documentation, vouchers, guarantors, local fair-housing rules and alternative screening are not evaluated.

The formula.

The calculation uses required monthly gross income = (monthly rent + other included housing cost) × screening multiple. In this 3x rent model, the entered terms are monthly rent, required gross-income multiple, other required monthly housing costs included by screening rule. Three-times-rent is a landlord screening policy, not a statutory affordability test, and included housing charges vary by policy, which is why the relationship is presented under this name rather than as a universal alternative. Income documentation, vouchers, guarantors, local fair-housing rules and alternative screening are not evaluated. Calculations keep full decimal precision through the relationship and round only the returned display values.

A worked example.

Frequently asked questions.

References& sources.

1. [1]Fannie Mae Selling Guide B3-3.1-08, Rental Income; documented gross and net rental-income treatment. Retrieved 2026-08-07. access: open unless marked otherwise.
2. [2]Freddie Mac, Modeling Multifamily Potential Rental Income; current rent roll, concessions and vacancy treatment. Retrieved 2026-08-07. access: open unless marked otherwise.
3. [3]U.S. Federal Housing Finance Agency. House price index. Retrieved 2026-08-07. independence: secondary-check; access: open.