Monthly Cash Flow
fill in fields below

Property & Revenue

Average nightly rent before platform fees

Use for seasonal properties or personal-use days

Cleaning & Platform Fees

Airbnb host fees often vary by fee structure. Enter your expected host-side platform fee.

Use only taxes that affect host economics. Some platforms collect and remit taxes directly.

Operating Expenses

Utilities, internet, supplies, insurance, maintenance, subscriptions. Excludes debt service.

STR management can be much higher than long-term rental management.

Verify local STR laws, permits, HOA rules, and rental restrictions before relying on projections.

Monthly Cash Flow

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That Airbnb deal looks profitable… until reality hits. Lower occupancy, platform fees, cleaning costs, and management can turn a "great deal" into negative cash flow. See the real numbers before you buy.

A small mistake in occupancy or expenses can wipe out your profit. If your break-even occupancy is too high, the deal depends on perfect execution. Check your numbers before you commit.

Most investors look at ADR × nights — but real income depends on occupancy, cleaning costs, platform fees, management fees, and operating expenses. A $220/night property at 65% occupancy can generate ~$52,000 nightly revenue but only ~$25,000 NOI — and negative cash flow after debt. The gap is where deals fail.

This free Airbnb / STR calculator covers everything a short-term rental investor needs: gross and net booking revenue, cleaning economics, platform fees, lodging tax, management costs, NOI, cash flow, DSCR, cash-on-cash return, break-even occupancy, and regulation risk — all in real time, no signup required.

Overview

The Airbnb / STR Calculator is designed for US real estate investors evaluating short-term rental properties. Unlike traditional rental calculators, this tool models occupancy-driven revenue, cleaning economics, platform fees, lodging taxes, and STR management costs — the variables that actually determine whether an Airbnb makes money.

STR income is fundamentally different from long-term rental income. It depends on four fragile assumptions: average daily rate (ADR), occupancy, fees and taxes, and operating/management costs. This calculator makes all four visible so you can stress-test your assumptions before buying.

This is a planning and screening tool, not a guarantee of booking performance. It does not predict exact Airbnb revenue, replace market data tools, or substitute for local STR regulation review. Use it to screen deals, compare STR vs long-term rental, and identify risk before you commit capital.

How to Use This Airbnb / STR Calculator

Follow these steps to analyze any short-term rental in under 3 minutes

  1. 1

    Enter property and revenue basics

    Purchase price, average nightly rate (ADR), expected occupancy rate, and nights available. Use actual market comps from AirDNA, Mashvisor, or local data — not listing-page claims.

  2. 2

    Set cleaning fees and platform costs

    Enter the cleaning fee you charge guests and your actual cleaning cost per turnover. Add platform fee percentage (Airbnb host fee is typically 3%) and any lodging/occupancy tax that affects your bottom line.

  3. 3

    Add operating expenses and management

    Enter monthly operating expenses (utilities, internet, supplies, insurance, maintenance). If using a property manager, enter the STR management fee percentage and select whether it applies to gross or net booking revenue.

  4. 4

    Add financing (optional)

    Open the financing section to add down payment, interest rate, loan term, closing costs, and furnishing costs. This enables DSCR and cash-on-cash calculations.

  5. 5

    Read your results and check risk flags

    Review cash flow, NOI, break-even occupancy, and all risk flags. Pay special attention to break-even occupancy — if it's above 70%, the deal is fragile.

Pro Tips for Accurate STR Results

  • Use conservative occupancy (55–65%) unless you have strong market evidence for higher.
  • Always separate cleaning fee revenue from cleaning cost — the net difference matters.
  • STR management fees (15–30%) are much higher than long-term rental management (8–10%).
  • Check local regulation risk before committing — STR bans can invalidate the entire model.

Understanding Your Result

  • Break-even < 50% — Strong. The deal survives low occupancy and seasonal dips.
  • Break-even 50–65% — Workable. Moderate risk, verify assumptions carefully.
  • Break-even 65–75% — Risky. Depends on consistently strong bookings.
  • Break-even > 75% — Fragile. Small dips in occupancy or ADR cause losses.

Inputs & Outputs — Field Reference

What each field means and where to find the numbers

FieldWhat it meansWhere to find it
Average Daily RateAverage nightly rent before platform fees. Use actual market comps, not listing aspirations.AirDNA, Mashvisor, PriceLabs, comparable listings
Occupancy Rate% of available nights that are booked. Typical STR: 50–70% annualized.AirDNA market data, local STR reports, host communities
Platform FeeHost-side fee charged by Airbnb, VRBO, etc. Typically 3% for Airbnb host-only fee model.Platform dashboard, fee structure page
Cleaning CostYour actual cost to clean per turnover. Not the fee charged to guests.Cleaning service quotes, local market rates
NOI (output)Net Operating Income. Net booking revenue minus cleaning cost, operating expenses, and management fee. Excludes debt service.Calculated automatically
Break-Even Occ.Minimum occupancy needed for NOI to cover fixed costs and debt service.Calculated automatically

STR Revenue & NOI Formula

The exact math this calculator uses — plus a real example

Step-by-step calculation

1

Calculate Occupied Nights

Nights Available × Occupancy Rate

365 × 65% = 237.25 nights
2

Gross Booking Revenue

(Occupied Nights × ADR) + (Bookings × Cleaning Fee)

$52,195 + $9,490 = $61,685
3

Net Booking Revenue

Gross − Platform Fees − Lodging Tax

$61,685 − $1,851 = $59,834
4

NOI

Net Booking Revenue − Cleaning Cost − Opex − Management

$59,834 − $7,908 − $14,400 − $11,967 = $25,559 NOI

The Formula

NOI = Net Revenue − Costs
Net Revenue = Gross − Fees − Tax
Gross = Nightly Rev + Cleaning Rev
Occupied Nights × ADR
+ Cleaning Fee Revenue
= Gross Booking Revenue
− Platform Fees
− Lodging Tax
= Net Booking Revenue
− Cleaning Cost
− Operating Expenses
− Management Fee
= NOI

NOI excludes debt service

Cash flow subtracts debt service from NOI. If no financing is entered, cash flow equals NOI.

Real-World Example: $500K STR with 65% Occupancy

Based on RIS test case — $220/night ADR, 3-night avg stay, 20% management on net revenue

Revenue & Expenses

Occupied Nights237.25
Nightly Revenue$52,195
Cleaning Fee Revenue$9,490
Gross Booking Revenue$61,685
Platform Fees (3%)−$1,851
Net Booking Revenue$59,834
Cleaning Cost−$7,908
Operating Expenses−$14,400
Management Fee (20%)−$11,967
NOI$25,559

Result

After $28,440 annual debt service

-$2,881/yr

Cash Flow · DSCR ≈ 0.90

This deal is negative cash flow with 25% down at 6.5%. The $25,559 NOI cannot cover $28,440 in debt service. Either reduce leverage, negotiate a lower purchase price, or confirm you can achieve higher occupancy with market data.

What Is STR Revenue (and Why ADR Is Not Profit)?

Short-term rental revenue is the total income generated from nightly bookings and associated fees on platforms like Airbnb and VRBO. But revenue is not profit. Between gross booking revenue and your actual income sit multiple layers of deductions: platform fees (3–15%), cleaning costs, lodging taxes, operating expenses, and management fees (15–30%).

Real Profit = Gross Revenue − Fees − Taxes − Cleaning − Expenses − Management − Debt

Occupancy drives everything. A $300/night ADR means nothing at 30% occupancy. Cleaning costs scale with turnover — shorter stays mean more cleanings per month. Platform fees reduce every dollar of revenue. And STR management (15–30%) is far more expensive than traditional property management (8–10%). The best STR investors model all of these variables before they buy, not after.

What Your STR Result Means

Your result shows projected cash flow and profitability under the assumptions you entered. Here's how to interpret the verdict tiers:

EXCELLENT

Strong STR Income Profile

The STR shows strong projected income support under current assumptions. Verify ADR, occupancy, local rules, seasonality, and expense data before proceeding.

GOOD

Solid STR Screen

The STR appears to meet a reasonable screening range. Stress-test occupancy, ADR, platform fees, and management costs before buying.

CONCERNING

Fragile STR Economics

The STR may be sensitive to booking volatility, seasonality, expenses, or financing terms. Run downside scenarios before proceeding.

CRITICAL

Weak or High-Risk STR Profile

The STR may not support the purchase price, debt structure, or operating assumptions. Renegotiate price, improve revenue assumptions with evidence, reduce leverage, or reject the deal.

STR income is fragile

ADR is not profit. Occupancy drives everything. Fees, cleaning, management, and taxes can destroy margin. Regulation risk can invalidate the entire model. These are screening tiers only — not investment advice.

STR Performance Benchmarks (2026)

Typical ranges for US short-term rental properties. Always verify with local market data.

By Market Type

Market TypeTypical ADRTypical OccupancyAvg Stay
Urban Metro$150–$30060–75%2–3 nights
Beach / Resort$200–$50045–65%4–7 nights
Mountain / Ski$250–$60040–60%3–5 nights
Suburban$100–$20055–70%2–4 nights
Rural / Unique$80–$25035–55%3–5 nights

By US Region

Florida

55–70%

Year-round demand in Orlando, Miami, Tampa. Strong STR market with growing regulation.

Tennessee

50–65%

Nashville and Smoky Mountains are top STR markets. Check local permit requirements.

California

40–60%

LA, San Diego, Palm Springs. High ADR but heavy regulation and permit requirements.

Colorado

40–55%

Ski markets (Breckenridge, Vail) are seasonal. Denver urban STR faces regulation pressure.

Arizona

55–70%

Scottsdale and Phoenix. Snowbird demand drives winter peaks. Landlord-friendly state.

Texas

50–65%

Austin, San Antonio, Gulf Coast. State preemption limits local bans. Growing market.

Hawaii

60–75%

Maui, Big Island. High ADR but strict zoning. Only permitted properties can legally operate.

New York

30–50%

NYC effectively banned most STRs in 2023. Upstate and Catskills remain viable markets.

Sources: AirDNA Market Reports 2025–2026, local host community data. Ranges are annualized averages — seasonal markets may see 90%+ in peak months and 20% in off-season.

STR Investment Strategy

How to use this calculator for different STR investment approaches

STR vs LTR

Compare STR projected cash flow against long-term rental returns. STR can generate 2–3× the gross revenue of LTR, but expenses are also 2–3× higher. The gap narrows quickly once you factor in cleaning, management, furnishing, and vacancy risk. Use this calculator alongside the Rental Property Calculator for a true comparison.

Self-Managed vs Pro

Run this calculator twice: once with 0% management fee (self-managed) and once with 20–25% (professional STR management). The difference shows the real cost of your time. If the deal only works self-managed, you don't have an investment — you have a job.

Seasonality Test

Seasonal markets (ski, beach) may show 80%+ occupancy in peak months but 20–30% off-season. Use the annualized average occupancy for this calculator. If break-even occupancy is above 50% in a seasonal market, the deal is fragile — you need strong peak months to offset dead months.

Leverage Test

Open the financing section and test different down payments and interest rates. STR properties often need 25–30% down for DSCR loans. If DSCR is below 1.0, the property doesn't service its own debt. Many STR deals that look profitable unlevered fall apart when you add financing.

Applications of STR Analysis

Acquisition Screening

Quickly filter STR properties that don't meet your return threshold. If break-even occupancy exceeds 70%, move on.

STR vs LTR Comparison

Compare projected STR cash flow against a traditional long-term rental on the same property. Use both calculators side by side.

Management Decision

Test self-management vs professional STR management at different fee levels to understand the true cost of each approach.

Occupancy Stress Test

Use the sensitivity table to see how cash flow changes at different occupancy levels. Identify the occupancy floor where the deal breaks.

Financing Viability

Test DSCR and cash-on-cash return at different leverage levels. Many STR deals require higher equity to work financially.

Cleaning Economics

Analyze whether your cleaning fee covers actual cleaning costs. Short stays with high turnover can turn cleaning into a net cost center.

Industry Standards & STR Metrics

R

RevPAN (Revenue per Available Night)

  • RevPAN measures revenue efficiency across all nights — booked and unbooked.
  • Higher RevPAN means you're earning more per calendar night, which accounts for both ADR and occupancy.
  • Industry standard metric used by AirDNA and major STR analytics platforms.
B

Break-Even Occupancy

  • The most important STR metric. Shows the minimum occupancy needed to cover all costs.
  • Below 50%: strong. 50–65%: workable. 65–75%: risky. Above 75%: fragile.
  • Accounts for variable margin per occupied night, not just a simple revenue/cost ratio.
$

STR Lending Standards

  • DSCR ≥ 1.25x — standard minimum for most DSCR lenders accepting STR income.
  • Many lenders use 75% of projected STR income for qualification — not 100%.
  • Down payment requirements: typically 25–30% for STR-specific DSCR loans.
  • Some lenders require 12-month STR income history for refinance.

Limitations of This Calculator

Does Not Guarantee Bookings

Occupancy and ADR are assumptions, not guarantees. Actual performance depends on reviews, listing quality, competition, seasonality, and platform algorithms.

No Seasonality Modeling

This v1 uses annualized averages. Seasonal markets with extreme peaks and troughs may show misleading average results. Use month-by-month analysis for seasonal properties.

No Dynamic Pricing

This calculator uses a single ADR. In practice, dynamic pricing tools (PriceLabs, Beyond Pricing) adjust rates daily based on demand. Your actual ADR may vary significantly.

Regulation Risk Not Modeled

The calculator shows a regulation risk warning but doesn't adjust financials. A "High" regulation risk could mean the entire revenue model is invalid. Always verify local laws before buying.

When Not to Use This Calculator Alone

  • Seasonal-only properties: Month-by-month analysis is essential for ski lodges, beach houses, and event-driven markets.
  • Markets with pending regulation: If local STR laws are changing, revenue projections may be invalid within months.
  • Luxury or unique properties: Ultra-high ADR properties with limited comp data need custom analysis beyond standardized calculators.
  • Multifamily STR conversions: Converting long-term units to STR involves vacancy loss, furnishing, and operational complexity not captured here.

Common Mistakes in STR Analysis

1

Using peak-season occupancy as an annual average

Many hosts see 85–95% occupancy during peak months and assume this is sustainable year-round. Use annualized averages from market data tools, not your best month.

2

Ignoring cleaning cost vs cleaning fee gap

If your cleaning costs $150 but you charge guests $100, you lose $50 per turnover. With short stays (2 nights), that's 130+ cleanings per year — a $6,500 annual loss hidden in your "revenue."

3

Forgetting platform fees reduce revenue

3% seems small, but on $60,000 gross revenue that's $1,800 you never see. And if you're on a split-fee model (14–16% guest fee), your net per booking is even lower than advertised.

4

Underestimating STR management costs

Traditional property management is 8–10%. STR management is 15–30% — and that's before additional per-booking fees some managers charge. This single line item can eliminate all profit.

5

Ignoring regulation risk

Cities can ban or severely restrict STR with little notice. NYC, LA, and dozens of other cities have implemented strict STR ordinances. If you can't legally operate, revenue is zero — regardless of your ADR projections.

Frequently Asked Questions