Mortgage & real estate

3x Rent Calculator

Multiply the monthly rent by the multiple a landlord requires to find the income you need to qualify for the lease.

  • Free
  • No sign-up
  • Updated for 2026

Rent & multiple

$

Enter the rent and multiple to see the income needed.

Worked example

With these example inputs:

  • Monthly rent$1,500
  • Rent multiple3

Income needed: $4,500

  • Monthly rent$1,500
  • Rent multiple3

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What this 3x rent calculator does

This calculator finds the income you need. You enter a monthly rent and a multiple. The tool then multiplies the two. So you see the income a landlord wants. It is a quick check before you apply. The result appears in your chosen currency.

What the 3x rent rule is

Many landlords use a simple income rule. They want your income to be three times the rent. This is often monthly, sometimes yearly. So it shows you can afford the place. It is a common screen for tenants. The multiple can vary by landlord.

How it is calculated

The tool takes the monthly rent. It multiplies it by the rent multiple. So a higher rent lifts the income needed. A bigger multiple lifts it too. The result is the income you need. The calculator does the math for you.

What the result tells you

The result shows the income needed. A rent of fifteen hundred at three times needs forty-five hundred. A higher rent raises it. A bigger multiple raises it too. So it shows the bar you must clear. It is only a guide.

The monthly rent

Your monthly rent is the price of the unit. It is the rent the listing asks for. A higher rent needs a higher income. So this number sets the base. Use the full monthly rent. It is the base the rest builds on. Enter your monthly rent.

The rent multiple

The rent multiple is the factor a landlord wants. Three times the rent is the most common. Some use two and a half or four. So this number sets how strict the rule is. Use the multiple your landlord asks. Check the listing or ask. Enter your rent multiple.

Why landlords use it

The rule is a fast affordability check. It hints that rent stays a safe share of income. So tenants are less likely to fall behind. It also gives a clear, simple cut-off. Many agencies apply it by default. It is not a law, just a screen.

What if you fall short

You can still apply if you fall short. A guarantor can cover the gap. Savings or a co-signer can help too. So a near miss is not always a no. Some landlords flex the rule. It is worth asking before you give up.

How to use it

Enter your monthly rent first. Add the rent multiple. Read the income needed in your currency. Then compare it to your income. See if you clear the bar. Try a lower rent. Use it to plan your search.

The limits of this calculator

This tool has clear limits. It uses one simple multiple. Landlords differ in how they count income. Some use gross, some use net. It ignores your other debts. So use it as a guide. So check the landlord's exact rule.

A final tip

Use this to check a rental before you apply. Remember the multiple can change. Ask whether they use gross or net. Have proof of income ready. Line up a guarantor if you are close. Do not assume one rule fits all. A careful check needs the landlord's terms.

Frequently asked questions

What is the 3x rent rule?

Many landlords require monthly income of at least three times the rent. At $1,500 rent, the 3x rule means you need $4,500 in monthly income.

Is it always 3x?

Not always. Some landlords use 2.5x, and competitive markets may ask for more. Change the multiple to match the requirement you have been given.