RentalPropertyAnalyzer
Investment STR / Airbnb Tax Tools Creative Finance Markets
Free Professional Tools

Rental Property
Calculators That Actually Work

93 free calculators. As-Is vs Pro Forma on every tool. Cash flow, cap rate, BRRRR, Airbnb, seller finance, depreciation and more.

93
Free Calculators
50
City Market Pages
100%
Free Forever
🔍
🏢
New Featured Tool
Multifamily Calculator — 2–4 Units & 5+ Units with ADU
Per-unit rent entry · Current vs Stabilized Pro Forma · ADU addition analysis · Full mortgage & ROI
Analyze Deal →

🔥 Most Popular

🏢
Multifamily Calculator NEW
2–4 unit & 5+ unit analysis. Per-unit rents, ADU addition, stabilized pro forma.
💰
Cash Flow Calculator HOT
Monthly cash flow, cash-on-cash return, cap rate. As-Is vs Pro Forma.
📊
Cap Rate Calculator HOT
Net operating income ÷ property value. Instant market comparison.
🏖️
Airbnb Calculator HOT
STR revenue, expenses, ROI. Updated for 2025 15.5% host fee.
🏦
DSCR Calculator HOT
Does your rental qualify for a DSCR loan? Instant lender analysis.
🔄
BRRRR Calculator
Buy, Rehab, Rent, Refi, Repeat. Cash left in deal after refinance.
🎯
Deal Analyzer
Go / No-Go score on any rental property deal in under 60 seconds.

📈 Investment Calculators

💰
Cash Flow Calculator
Monthly income vs expenses with full breakdown
📊
Cap Rate Calculator
NOI ÷ value — the core investor comparison metric
🎯
Deal Analyzer
Full deal scorecard — Go or No-Go
🔄
BRRRR Calculator
Cash left in deal after cash-out refi
🧮
NOI Calculator
Net operating income before debt service
📉
Rental Yield Calculator
Gross and net yield percentage
💵
Cash-on-Cash Return
Annual cash flow ÷ total cash invested
✖️
Gross Rent Multiplier
Quick market comparison: price ÷ annual rent
⚖️
Mortgage vs Cash ROI
Leveraged vs all-cash returns compared
🏠
Rent vs Buy Calculator
Long-term wealth comparison
📐
50% Rule Calculator
Quick expense estimate — half of gross rent
1️⃣
1% Rule Calculator
Does rent ≥ 1% of purchase price?

🔨 Fix & Flip / Wholesale

7️⃣
70% Rule Calculator HOT
Max offer for flips: ARV × 70% − repairs
🏚️
ARV Calculator
After Repair Value from comps
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MAO Calculator
Maximum Allowable Offer for wholesalers
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Fix & Flip Profit Calculator
Total profit, ROI, annualized return on flip
📋
Wholesale Deal Calculator
Assignment fee and spread analysis
🪚
Rehab Cost Estimator
Room-by-room renovation cost breakdown

🏖️ Short-Term Rental / Airbnb

🏠
Airbnb Income Calculator HOT
Annual revenue, expenses, net profit
💸
Airbnb Host Fee Calculator NEW
New 15.5% host-only fee vs old 3% split (Oct 2025)
🔁
Airbnb Arbitrage Calculator HOT
Lease a property, sublet on Airbnb — profit calc
⚖️
STR vs Long-Term Rental
Which strategy nets more after all costs?
📈
Airbnb ROI Calculator
Cash-on-cash and cap rate for STR investors
🌴
VRBO Income Calculator
VRBO revenue with ~20% platform fee
📱
Platform Comparison
Airbnb vs VRBO vs Direct — net income by platform
🏦
STR DSCR Calculator
Does STR income qualify for a DSCR loan?
📊
RevPAR Calculator
Revenue per available night — lender metric
📅
Seasonality Revenue Planner
Monthly breakdown: peak, shoulder, off-peak
🧾
Occupancy Tax Calculator
Local TOT tax owed on STR income
🤝
Co-Host Fee Calculator
Net income after co-host or PM split

🏦 Financing & Loan Calculators

📋
DSCR Calculator HOT
Debt service coverage ratio for lender qualification
🏦
Investment Property Mortgage
Monthly P&I, total interest, amortization
💳
Hard Money Loan Calculator
Points, fees, interest on bridge loans
📆
Loan Amortization Calculator
Full month-by-month paydown schedule
💸
Cash-Out Refinance Calculator
How much equity can you pull out?
📍
Points Break-Even Calculator
When do discount points pay off?

🤝 Creative Finance

🤝
Seller Finance Calculator HOT
Owner finance: payment, amortization, balloon
📑
Subject-To Calculator HOT
Take over seller's mortgage — cash flow analysis
🔗
Wraparound Mortgage Calculator
Seller spread and implied yield on wrap
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Lease Option Calculator
Rent-to-own equity projection
✍️
Novation Calculator
Novation agreement profit analysis
🎈
Balloon Payment Calculator
Balance owed at balloon date
⚡
Creative Finance Deal Analyzer
Compare SubTo vs seller finance vs conventional

🧾 Tax Calculators

📉
Depreciation Calculator HOT
27.5-yr MACRS schedule, annual tax savings
⚡
Bonus Depreciation Calculator NEW
100% first-year deduction — restored Jan 2025
🏗️
Cost Segregation Estimator
Year-1 tax savings from a cost seg study
📈
Capital Gains Tax Calculator
Tax owed on sale including depreciation recapture
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Depreciation Recapture Calculator
Tax owed on recaptured depreciation at sale
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1031 Exchange Calculator
Tax deferred vs owed: sell vs exchange
🧾
Rental Income Tax Calculator
Taxable rental income after all deductions
📊
Passive Activity Loss Calculator
How much rental loss can you deduct this year?
20%
QBI Deduction Calculator
20% qualified business income deduction
🔓
STR Tax Loophole Calculator NEW
W-2 income offset from qualifying Airbnb losses
3.8%
NIIT Calculator
Net investment income tax for high earners
🤔
Sell vs Hold Calculator
After-tax proceeds: sell now vs hold longer

🔑 Landlord Tools

📅
Prorated Rent Calculator
Partial month rent for move-ins
📈
Rent Increase Calculator
New rent, legal cap check, impact on NOI
🔒
Security Deposit Calculator
Max deposit by state, deductions worksheet
🏢
PM Fee Calculator
Monthly management cost and annual impact
🏚️
Vacancy Rate Calculator
True vacancy cost and break-even occupancy
⏰
Late Fee Calculator
Max late fee by state and daily rate
🏡
Property Appreciation Calculator
Future value with compound appreciation

📍 Top Investor Markets

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