# Rent Calculator (How Much Rent Can I Afford?)

URL: https://speedycalculator.com/calculators/finance/rent-affordability/
Last updated: 2026-10-25

> The rent calculator estimates how much rent you can afford from your income, savings goal, debts and other expenses – and checks a rent against the 30% rule and the rent-to-income ratio landlords use.

## Inputs

- Gross monthly income
- Take-home monthly income
- Monthly savings
- Monthly debt payments
- Other monthly expenses
- Rent to check

## Results

- Affordable rent – budget method
- Affordable rent – 30% rule
- Rent-to-income ratio for the rent checked
- Income required by the 3× rule
- Annual income required by the 40× rule

## Formula

```
Affordable rent (budget method) = income − savings − debt payments − other expenses
30% rule: rent ≤ 30% of gross monthly income
Rent-to-income ratio = rent ÷ gross monthly income
```

## Explanation

The classic guideline is to spend no more than 30% of gross income on rent; many landlords also require income of 3 times the rent. In expensive cities many renters exceed this – which leaves less room for saving.

### How to use the Rent Calculator

- **Gross monthly income**
- **Take-home monthly income**
- **Monthly savings**
- **Monthly debt payments**
- **Other monthly expenses**
- **Rent to check**

Results update as you type, and every field accepts the units shown in its menu.

### How it works

Enter your gross and take-home monthly income, monthly savings target, debt payments and other expenses, and a rent to check.

### Tips

- Get a written loan estimate and compare the APR, not just the interest rate.
- Include property tax, insurance, HOA fees and maintenance in your monthly budget.
- A larger down payment lowers the payment and can remove mortgage insurance.
- Rates change daily – use a current quote for the most accurate result.

### Common mistakes to avoid

- Looking only at the monthly payment instead of the total cost of the loan.
- Forgetting closing costs and fees.
- Assuming home prices always rise.

### Inputs explained

FieldWhat to enterGross monthly incomeAmount in your currencyTake-home monthly incomeAmount in your currencyMonthly savingsAmount in your currencyMonthly debt paymentsAmount in your currencyOther monthly expensesAmount in your currencyRent to checkAmount in your currency

### What each result means

- **Affordable rent – budget method** = max([Take-home monthly income] - [Monthly savings] - [Monthly debt payments] - [Other monthly expenses], 0)
- **Affordable rent – 30% rule** = [Gross monthly income]×0.3
- **Rent-to-income ratio for the rent checked** = [Rent to check]÷[Gross monthly income]×100
- **Income required by the 3× rule** = [Rent to check]×3
- **Annual income required by the 40× rule** = [Rent to check]×40

### Example values

How the main result changes when **Gross monthly income** changes and everything else stays at the example values above:

Gross monthly incomeAffordable rent – budget method3,0001,9004,5001,9006,0001,9007,5001,9009,0001,90012,0001,900

## Worked example

Inputs — Gross monthly income: $6,000; Take-home monthly income: $4,600; Monthly savings: $600; Monthly debt payments: $400; Other monthly expenses: $1,700; Rent to check: $1,800.

Results — **Affordable rent – budget method = $1,900.00**; Affordable rent – 30% rule = $1,800.00; Rent-to-income ratio for the rent checked = 30 %; Income required by the 3× rule = $5,400.00; Annual income required by the 40× rule = $72,000.00.

## FAQ

**How much rent can I afford?**
Commonly 30% of your gross monthly income.

**What is the 40× rule?**
Some landlords require annual income of 40 times the monthly rent.

**Should I use gross or net income?**
The 30% rule uses gross; budgeting from take-home pay is more realistic.

**What formula does the Rent Calculator use?**
Affordable rent (budget method) = income − savings − debt payments − other expenses.