Rental Property Calculator

Q: What is a good monthly cash flow for a rental property?

Most U.S. buy-and-hold investors target a minimum of $100–$200 per door per month in net cash flow after all expenses including mortgage, taxes, insurance, maintenance, and management fees. However, cash flow alone doesn’t tell the whole story — a property generating $150/month on a $50,000 down payment delivers only a 3.6% cash-on-cash return, which may be too low for many investors. For a complete picture, evaluate cash flow alongside cap rate (target 5–8%) and cash-on-cash return (target 8–12%). This calculator shows all three metrics at once so you can make an informed decision.

Q: What operating expenses should I budget for a rental property?

Operating expenses for a U.S. rental typically include: (1) Property taxes — varies by county; enter the annual amount; (2) Landlord insurance — typically $800–$2,400/year for a single-family rental; (3) HOA fees if applicable; (4) Maintenance and repairs — budget 8–10% of monthly rent as a starting point; (5) Property management fees — professional managers typically charge 8–12% of monthly rent; (6) Capital expenditures reserve (not in this calculator, but budget an additional 5–10% for major systems like roof, HVAC, and appliances). The mortgage principal and interest is separate, classified as debt service. This calculator handles all operating categories so your cash flow estimate reflects real-world numbers.

Q: Should I self-manage or hire a property manager?

Professional property managers typically charge 8–12% of monthly rent plus a leasing fee (50–100% of one month’s rent) for placing a new tenant. On a $2,000/month rental, that’s $160–$240/month in ongoing management fees — real cost that reduces your cash flow. However, self-management requires significant time: tenant screening, maintenance coordination, rent collection, lease renewals, and legal compliance with local landlord-tenant law. The right answer depends on your proximity to the property, number of units, local knowledge, and personal bandwidth. Use the management fee field to model both scenarios — many investors are surprised how small the financial difference is once they value their own time honestly. Most landlords with multiple properties or out-of-state investments find professional management well worth the cost.

HomeExpertly

www.homeexpertly.com

Rental Property Cash Flow Calculator (USA)

Analyze your rental investment. Calculate Monthly Cash Flow, Cap Rate, and Cash-on-Cash Return from purchase price, financing, rental income, and operating expenses.

For estimation purposes only. Consult a licensed real estate professional or financial advisor for precise investment analysis.

1 Property & Financing

Purchase Price

Down Payment

Closing Costs

Interest Rate

Loan Term

2 Rental Income

Monthly Rent

Vacancy Rate (% of months vacant/yr)

3 Operating Expenses

Property Tax (annual)

Insurance (annual)

HOA Fee (monthly, $0 if none)

Maintenance (% of rent)

Management Fee (% of rent)

Maintenance typically runs 5–15% of monthly rent. Professional property management fees are usually 8–12%. Enter 0% if self-managing.

Estimated Monthly Cash Flow

—

Enter property details and click Analyze

Cap Rate —

Cash-on-Cash —

Annual Cash Flow —

Monthly Expense Breakdown

Investment Summary

Effective Monthly Income —

Monthly NOI —

Mortgage P&I —

Cap Rate —

Cash-on-Cash Return —

Total Cash Invested —

Visuals

Monthly Expense Allocation

Income vs. Total Expenses

Step-by-step guide

How to Analyze a Rental Property Deal in 4 Steps

You don’t need a finance degree or a complex spreadsheet to know if a rental property makes sense. Follow these four steps and you’ll have a complete cash flow picture — including cap rate and cash-on-cash return — in under two minutes.

Enter the Purchase Price & Financing Terms

Start with what you’re paying for the property, your down payment, closing costs, interest rate, and loan term. The calculator determines your loan amount and computes your exact monthly principal and interest payment using the standard amortization formula — no guessing required. Try adjusting your down payment to see how leverage affects your cash-on-cash return.

Set Your Monthly Rent & Vacancy Rate

Enter the monthly rent you expect to collect and your estimated vacancy rate. Research local rental comps on Zillow, Rentometer, or Apartments.com to set a realistic rent figure — and always use a vacancy rate of at least 5%, even in strong rental markets, to account for turnover time between tenants. The calculator deducts vacancy loss to show your effective monthly income.

Input All Operating Expenses

Enter your annual property taxes and insurance, monthly HOA fee (if any), and maintenance and management fee percentages of monthly rent. Most experienced landlords budget 8–10% for maintenance and repairs, and 10% for professional management. Enter 0% for management if self-managing, but remember to account for your own time when comparing deals. Every field matters for an accurate cash flow number.

Analyze Results & Download Your Report

Click “Analyze Property” to instantly see your monthly cash flow (green = positive, red = negative), cap rate, and cash-on-cash return — plus a full expense breakdown by category with proportion bars and two charts. Adjust your offer price, rent assumption, or down payment until the numbers meet your investment criteria. Download the complete PDF report to share with lenders, partners, or your own records.

Full property breakdown

What This Calculator Analyzes for Your Rental Property

Most free rental calculators show a rough cash flow number and nothing else. The HomeExpertly Rental Property Calculator breaks every expense and return metric into individual line items — so you know exactly where your money is going and whether the investment meets your goals.

Monthly Cash Flow (Color-Coded)

Your net monthly income after every expense — mortgage, taxes, insurance, HOA, maintenance, and management — is deducted from your effective rental income. Displayed in green when positive, red when negative. The hero number updates instantly as you adjust any input, so you can find the exact offer price or rent that makes the deal work.

Cap Rate

The capitalization rate measures the property’s income potential independent of financing — calculated as annual NOI divided by purchase price. Cap rate lets you compare properties in different markets and price ranges on a level playing field. Most U.S. residential rental investors target 5–8%, though acceptable ranges vary significantly by market and property class.

Cash-on-Cash Return

The most important metric for leveraged real estate investors. CoC return measures your annual cash flow as a percentage of the actual cash you put in — down payment plus closing costs. Unlike cap rate, it accounts for your financing terms. Most experienced buy-and-hold investors target 8–12% CoC before committing to a property.

6-Category Expense Breakdown

The calculator separates your total monthly costs into six categories: Mortgage P&I, Property Tax, Insurance, HOA, Maintenance, and Management Fee — each with a proportion bar showing its share of total expenses. This breakdown reveals which expenses eat the most cash and helps you spot which line items you can potentially optimize or negotiate before closing.

Visual Charts

Two instant charts update with every calculation: a donut chart showing how your total monthly expenses are split across all six categories, and a bar chart comparing your effective rental income against total monthly expenses — so you can visually see your cash flow margin (or deficit) at a glance without interpreting raw numbers.

Professional PDF Investment Report

Download a polished, branded one-page PDF with your complete rental analysis — all inputs, 6-category expense breakdown with proportion bars, six summary cards (cash flow, NOI, cap rate, CoC return, effective income, total cash invested), and key return metrics — formatted for presenting to lenders, private investors, or your own property portfolio records.

U.S. rental market context

Key Rental Property Benchmarks Every U.S. Investor Should Know

Tailored guidance

How Different Investors Use This Calculator

Your investment strategy shapes which metrics matter most. Here’s how three types of U.S. rental property investors get the most out of this tool.

First-Time Landlords

Buying their first rental

You’re ready to stop hearing about passive income and start generating it. You’ve identified a property that looks promising, but you’re not sure if the numbers really work once you account for every expense. This calculator makes sure you’re not walking into a money pit.

Start with a 10% vacancy rate and 10% maintenance to be conservative
Include management fees even if self-managing — your time has value
Target at least $150–$200 positive cash flow per month before committing
Download the PDF before meeting with your mortgage lender or bank

Experienced Buy & Hold Investors

Building a rental portfolio

You own two or more rentals and are evaluating new acquisitions to grow your portfolio. You’re focused on capital efficiency — not just whether a deal cash flows, but how it compares to alternatives and whether it beats your minimum return hurdle rate.

Use cap rate to compare properties across different markets and price points
Use cash-on-cash return to optimize your leverage across the portfolio
Model self-management vs. professional management to see the true tradeoff
Download PDFs for portfolio review meetings with your CPA or lender

BRRRR Investors

Buy, Rehab, Rent, Refinance, Repeat

You’re using the BRRRR strategy to recycle capital across multiple properties. After rehab and refinancing, you need to know whether the stabilized property generates enough cash flow to justify keeping it — and what cash-on-cash return you’ll earn on the equity you couldn’t pull out.

Enter the refinanced loan amount as your financing to see post-refi cash flow
Use ARV minus refinanced loan as your effective remaining cash invested
Target positive cash flow after full refinance — negative CoC defeats the strategy
Compare stabilized CoC return against other deployment options for recycled capital

Expert strategies

7 Rules Profitable U.S. Landlords Never Break

The difference between a profitable rental portfolio and a financial drain isn’t luck — it’s discipline with numbers and a few hard-won principles that experienced landlords apply to every single deal.

Always Budget at Least 5% for Vacancy

Even the best rental property in the tightest market will sit vacant between tenants — for cleaning, minor repairs, and re-leasing. A property that only cash flows when it’s 100% occupied isn’t truly cash-flowing. Budget 5–8% vacancy before you run your numbers, not as an afterthought. The calculator makes this non-negotiable by deducting it automatically.

Separate NOI from Cash Flow — They’re Not the Same

Net Operating Income (NOI) excludes your mortgage payment. Cash flow subtracts it. A property with $1,200/month NOI and a $1,500/month mortgage is cash-flow negative by $300/month even though the NOI looks healthy. Cap rate is calculated from NOI; cash-on-cash return is calculated from cash flow. Understanding both metrics — and their difference — is essential for proper deal analysis.

Use Conservative Rent Estimates, Not Optimistic Ones

Analyze every deal at 90–95% of the market rent you think you can achieve, not the peak rent in the comp set. Markets soften, tenants negotiate, and your best-case rent may not be achievable at closing. If the deal still works at conservative rent, it’s worth pursuing. If it only pencils at your optimistic top-of-market number, the margin is too thin. Use this calculator to run the downside case before you commit.

Budget for CapEx Separately From Maintenance

The maintenance percentage in this calculator covers routine repairs and minor fixes. But capital expenditures — roof replacement ($10,000–$20,000), HVAC system ($5,000–$12,000), water heater ($1,000–$2,000) — are a separate bucket that many first-time landlords forget to model. Budget an additional 5–10% of monthly rent into a CapEx reserve account every month, especially for older properties. When those major repairs hit, you’ll be prepared instead of cash-strapped.

Tenant Quality Determines Your Actual Returns

A property that pencils beautifully on paper can become a money-losing nightmare with the wrong tenant. A single eviction in most U.S. states costs $3,000–$7,000 in legal fees, lost rent, and repairs — equivalent to wiping out an entire year of cash flow on many deals. Invest in rigorous tenant screening: credit check, income verification at 3× monthly rent, rental history, and references. The calculator models the financial side; your underwriting process models the human side.

Know Your Local Landlord-Tenant Law Before Closing

Eviction timelines, security deposit limits, required disclosures, habitability standards, and rent control rules vary dramatically by state and city. In California, New York, or Oregon, a problem tenant can take 6–12 months to remove legally. In Texas or Florida, the process is significantly faster. These differences directly affect your financial risk and the real-world cash flow your investment delivers. Research your local laws before closing — not after you have a problem tenant.

Run Sensitivity Analysis on Interest Rate Changes

In a floating-rate or adjustable-rate financing environment, even a 1% rate increase materially impacts your cash flow. On a $240,000 loan, the difference between 6.5% and 7.5% is roughly $150/month — which can flip a marginally positive deal into a negative one. Use the interest rate field in this calculator to stress-test your deal at current rates plus 1% and 2%. If the property still cash flows at the higher rate, the investment is genuinely robust.

Frequently asked questions

Rental Property Calculator FAQ

Real questions from U.S. rental property investors — answered plainly.

What is a good monthly cash flow for a rental property?

Most U.S. buy-and-hold investors target a minimum of $100–$200 per door per month in net cash flow after all expenses including mortgage, taxes, insurance, maintenance, and management fees. However, cash flow alone doesn’t tell the whole story — a property generating $150/month on a $50,000 down payment delivers only a 3.6% cash-on-cash return, which may be too low for many investors. For a complete picture, evaluate cash flow alongside cap rate (target 5–8%) and cash-on-cash return (target 8–12%). This calculator shows all three metrics at once so you can make an informed decision.

What is cap rate and how is it calculated?

Cap rate measures the income-generating potential of a property independent of financing. Formula: Cap Rate = (Annual NOI / Purchase Price) × 100. NOI is annual rental income minus vacancy loss and all operating expenses (taxes, insurance, HOA, maintenance, management), but before mortgage payments. A $300,000 property generating $1,200/month NOI ($14,400/year) has a cap rate of 4.8%. Cap rate is ideal for comparing properties regardless of how they’re financed. Most U.S. investors target 5–8% for residential rentals, though Class A markets like NYC or San Francisco may yield 3–4% while emerging Midwest markets offer 7–10%.

What is cash-on-cash return and why does it matter?

Cash-on-cash return (CoC) measures your actual annual cash flow as a percentage of cash invested — down payment plus closing costs. Formula: CoC Return = (Annual Cash Flow / Total Cash Invested) × 100. If you invested $64,500 and generate $3,600/year in cash flow ($300/month), your CoC return is 5.58%. Unlike cap rate, CoC accounts for your specific financing terms — which is why it’s the most important metric for leveraged investors. Most experienced U.S. rental investors target 8–12% CoC. A negative CoC means your property is costing you money each month, even before unexpected repairs or vacancies.

What is the 1% rule for rental properties?

The 1% rule states that your monthly rent should equal at least 1% of the purchase price to have a reasonable chance at positive cash flow. A $200,000 property should rent for at least $2,000/month. The rule is a quick screening filter, not an investment guarantee — it doesn’t account for property taxes, insurance rates, HOA fees, or financing terms, which vary dramatically by market. In high-cost markets like California or New York, the 1% rule is rarely achievable. In Midwest and Southeast markets it’s common. Always run the full numbers in this calculator rather than relying on the 1% rule to make real investment decisions.

What vacancy rate should I use in my rental analysis?

The U.S. national average rental vacancy rate historically runs 5–8%, which equates to about 2–4 weeks of lost rent per year. However, vacancy varies significantly by market and property type. Urban multifamily in tight rental markets may see 2–3%; single-family rentals in suburban areas typically see 5–8%; properties in markets with high rental supply may see 10–15%. For conservative analysis, always use at least 5% vacancy even in strong rental markets — tenant turnover, unit cleaning, and minor repairs between tenants can easily account for 2–4 weeks of vacancy per year. The calculator automatically deducts vacancy loss from gross rent to compute effective monthly income.

What operating expenses should I budget for a rental property?

Operating expenses for a U.S. rental typically include: (1) Property taxes — varies by county; enter the annual amount; (2) Landlord insurance — typically $800–$2,400/year for a single-family rental; (3) HOA fees if applicable; (4) Maintenance and repairs — budget 8–10% of monthly rent as a starting point; (5) Property management fees — professional managers typically charge 8–12% of monthly rent; (6) Capital expenditures reserve (not in this calculator, but budget an additional 5–10% for major systems like roof, HVAC, and appliances). The mortgage principal and interest is separate, classified as debt service. This calculator handles all operating categories so your cash flow estimate reflects real-world numbers.

Should I self-manage or hire a property manager?

Professional property managers typically charge 8–12% of monthly rent plus a leasing fee (50–100% of one month’s rent) for placing a new tenant. On a $2,000/month rental, that’s $160–$240/month in ongoing management fees — real cost that reduces your cash flow. However, self-management requires significant time: tenant screening, maintenance coordination, rent collection, lease renewals, and legal compliance with local landlord-tenant law. The right answer depends on your proximity to the property, number of units, local knowledge, and personal bandwidth. Use the management fee field to model both scenarios — many investors are surprised how small the financial difference is once they value their own time honestly. Most landlords with multiple properties or out-of-state investments find professional management well worth the cost.

Important disclaimer: All calculations provided by this tool are for educational and estimation purposes only and do not constitute financial, legal, real estate, or investment advice. Results are based solely on the inputs you provide and standard rental property analysis formulas. Actual investment outcomes will vary based on your local market conditions, actual rental income, tenant behavior, vacancy periods, financing terms, operating costs, and local tax and regulatory environment. Cap rate, cash-on-cash return, and cash flow figures are estimates only and are not guarantees of investment performance. Real estate investing involves substantial risk, including the potential loss of principal. Always consult a licensed real estate professional, CPA, attorney, or financial advisor before making any investment decisions. HomeExpertly is not a lender, real estate broker, property manager, or financial advisor.