How does the Rent Affordability Calculator work?

It uses your annual income, monthly debt payments, and other monthly expenses to estimate a comfortable rent range. Typically, it suggests spending no more than 30% of your gross monthly income on rent, but it also considers your debts and expenses to give a more personalized figure.

What is the 30% rule for rent?

The 30% rule suggests that you should spend no more than 30% of your gross monthly income on rent. This calculator applies that guideline, but it also adjusts for your monthly debt payments and other expenses to help you avoid overextending your budget.

Should I include utilities in my monthly expenses?

Yes, it's wise to include all recurring monthly costs like utilities, groceries, transportation, and insurance in the 'Other monthly expenses' field. This gives a more accurate picture of your disposable income and helps the calculator recommend a rent that fits your overall budget.

金融

即时、私密且免费

租金承受能力计算器.

根据收入和支出计算你能负担的租金

设备端计算无需注册

输入数值

输入时结果会更新。

02 / 答案

年收入（$）30%法则：租金不超过税前收入的30%。

30%法则：租金不超过税前收入的30%。

每月债务（$）房东通常要求收入是月租金的2.5-3倍。

房东通常要求收入是月租金的2.5-3倍。

30%法则

US$1,500/mo

三分之一法则

US$1,150

含水电费

50/30/20法则

US$1,640

月收入（$）:

$5000

预估水电费（$）:

$250

租金承受能力指南

30%法则: 30%法则：租金不超过税前收入的30%。

50/30/20法则: 50/30/20法则：50%用于必需品（租金、水电、食物），30%用于消费，20%用于储蓄。

三分之一法则: 房东通常要求收入是月租金的2.5-3倍。

使用方法

30%法则: 30%法则：租金不超过税前收入的30%。

50/30/20法则: 50/30/20法则：50%用于必需品（租金、水电、食物），30%用于消费，20%用于储蓄。

三分之一法则: 房东通常要求收入是月租金的2.5-3倍。

Cite this calculator

Canonical URL: https://mathify.one/zh/finance/rent-affordability

Cite as: Mathify. (n.d.). 租金承受能力计算器. https://mathify.one/zh/finance/rent-affordability

Use Cases

Evaluating a lease offer

Before signing a lease, input the desired rent to see if it fits your budget. This helps you avoid committing to a rent that may strain your finances.

Example: You're considering a $1,500/month apartment. Enter your income and expenses to see if it's affordable or if you need to negotiate or look elsewhere.

Frequently Asked Questions

How does the Rent Affordability Calculator work?: It uses your annual income, monthly debt payments, and other monthly expenses to estimate a comfortable rent range. Typically, it suggests spending no more than 30% of your gross monthly income on rent, but it also considers your debts and expenses to give a more personalized figure.
What is the 30% rule for rent?: The 30% rule suggests that you should spend no more than 30% of your gross monthly income on rent. This calculator applies that guideline, but it also adjusts for your monthly debt payments and other expenses to help you avoid overextending your budget.
Should I include utilities in my monthly expenses?: Yes, it's wise to include all recurring monthly costs like utilities, groceries, transportation, and insurance in the 'Other monthly expenses' field. This gives a more accurate picture of your disposable income and helps the calculator recommend a rent that fits your overall budget.

Tips & Common Mistakes

Tips

Use your take-home pay (after taxes) for a more conservative estimate, though the calculator uses annual income as provided.
Include all monthly debt payments, such as credit cards, student loans, and car loans, to get an accurate picture of your obligations.
Be realistic about 'other monthly expenses' – include groceries, utilities, transportation, and entertainment to avoid underestimating your costs.
Consider saving for emergencies and future goals; if the calculator suggests a rent that leaves little room for savings, you may want to aim lower.

Common Mistakes to Avoid

Forgetting to include all monthly debt payments, which can lead to overestimating how much rent you can afford.
Underestimating other monthly expenses by only listing fixed bills and ignoring variable costs like food and entertainment.
Using gross income instead of net income, which can make rent appear more affordable than it actually is.

Last updated: August 13, 2026