166 Calculations
for Your Properties
Enter a rental property and instantly get 166 calculations across 10 categories. See every formula, walk through each one with your actual numbers, and visualize results with interactive charts. Every number below is computed live.
Sample Property Used Below
All results on this page are calculated live from these inputs
Cash Flow
-$10,190
NOI
$12,164
Cap Rate
3.48%
Cash-on-Cash
-12.20%
Total ROI
6.70%
DSCR
0.54x
LTV
80.00%
Change One Input, All 166 Recalculate
Drag the slider to see how purchase price affects every metric. In the full calculator, changing any of 95+ property inputs triggers an instant recalculation of all 166 results.
Your Property, Visualized
The calculator dashboard includes interactive charts for every property. These are rendered live from the sample property above.
Expense Breakdown
5-Year Cash Flow & NOI
Returns Comparison
Equity Growth (5 Years)
166 Calculations Across 10 Categories
Every calculation belongs to a category. Click any tab to see live results from the sample property. In the full calculator, each metric has its own dedicated page with formula walkthrough, benchmarks, and source code.
Income Metrics
Revenue, cash flow, and income metrics that show how much money a property generates.
Why it matters
Understanding income streams is the foundation of any investment analysis. These metrics tell you exactly how much money flows in.
Gross Potential Rent
$25,200
Total annual rental income assuming full occupancy.
Net Operating Income
$12,164
Income remaining after all operating expenses but before debt service.
Cash Flow Before Tax
-$10,190
Cash remaining after operating expenses and debt service.
Gross Rent Multiplier
13.89x
Purchase price divided by annual gross rent.
9 more calculations in this category
Return Metrics
Return on investment metrics that measure the profitability of your investment.
Why it matters
Return metrics measure how efficiently your invested capital generates profit. Compare different deals and asset classes objectively.
Cap Rate
3.48%
Net operating income as a percentage of property value.
Cash on Cash Return
-12.20%
Annual cash flow divided by total cash invested.
Total ROI (Year 1)
6.70%
Combined return from cash flow, appreciation, loan paydown, and Cash Flow from Depreciation™ in Year 1.
IRR (5-Year)
-9.16%
Internal rate of return accounting for timing of all cash flows over 5 years.
Equity Multiple (5-Year)
0.52x
Total distributions over 5 years as a multiple of equity invested.
12 more calculations in this category
Expense Metrics
Operating cost metrics that track how much it costs to own and maintain a property.
Why it matters
Expenses directly eat into your returns. Tracking every cost category helps you spot opportunities to improve cash flow.
Operating Expense Ratio
49.19%
Operating expenses as a percentage of effective gross income.
Total Monthly Expenses
$2,844
All monthly costs including operating expenses and mortgage payment.
Vacancy Loss Annual
$1,260
Annual income lost to vacancy.
28 more calculations in this category
Debt Metrics
Loan and mortgage metrics that analyze your financing structure and obligations.
Why it matters
Leverage amplifies returns but introduces risk. These metrics help you understand your financing obligations and coverage.
Monthly Mortgage Payment
$1,862.85
Monthly principal and interest payment on the mortgage.
Debt Service Coverage Ratio
0.54x
NOI divided by annual debt service — measures ability to cover mortgage.
Loan to Value Ratio
80.00%
Loan amount as a percentage of property value.
Year 1 Principal Paydown
$2,844
Total principal paid down during the first year.
20 more calculations in this category
Valuation Metrics
Property value estimates using income, cost, and market comparison approaches.
Why it matters
Know what a property is truly worth using multiple valuation approaches. Compare asking price to income-based value.
Price Per Unit
$350,000
Purchase price divided by number of units.
Value Based on Cap Rate
$350,000
Property value estimated by dividing NOI by the cap rate.
Equity Position Current
$70,000
Current property value minus outstanding loan balance.
11 more calculations in this category
Cash Flow Projections
Multi-year cash flow and NOI projections with growth assumptions.
Why it matters
Real estate investing is a long game. 5-year projections show you where your cash flow and NOI are headed based on rent and expense growth assumptions.
Projected Cash Flow (Year 1-5)
-$10,190
Year-by-year cash flow projection for 5 years with growth assumptions.
Cumulative Cash Flow Year 5
-$47,190
Total cash flow collected over the first 5 years.
Break-Even Occupancy Rate
135.44%
Minimum occupancy rate needed to cover all expenses and debt service.
11 more calculations in this category
Tax Benefits
Depreciation, tax savings, and after-tax return calculations.
Why it matters
Tax benefits are one of the biggest advantages of real estate. Depreciation alone can shelter thousands in income annually.
Annual Depreciation
$10,182
Annual straight-line depreciation deduction for the building.
Tax Savings From Depreciation
$2,444
Dollar amount saved in taxes due to depreciation deduction.
Cash Flow from Depreciation™
$2,444
Additional effective cash flow generated by depreciation tax savings.
10 more calculations in this category
Equity & Wealth
Wealth building metrics tracking equity growth from appreciation and paydown.
Why it matters
Equity grows through appreciation and loan paydown simultaneously. Track total wealth building, not just cash flow.
Total Equity Current
$70,000
Current equity position (property value minus loan balance).
Total Wealth Building Year 1
$3,154
Combined cash flow, appreciation, and principal paydown in Year 1.
Total Wealth Building Year 5
$24,987
Cumulative wealth created from all sources over 5 years.
12 more calculations in this category
Deal Analysis
Deal screening tools and acquisition analysis metrics.
Why it matters
These metrics help you understand the total cash required and screen properties against common rules of thumb used by investors.
Total Cash to Close
$80,500
Cash needed at the closing table to acquire the property.
One Percent Rule
0.60%
Does monthly rent equal or exceed 1% of purchase price?
Profit If Sold Year 5
$7,154
Net profit if sold after 5 years, after all costs and taxes.
Fifty Percent Rule Estimate
-$9,754
Estimated annual cash flow assuming 50% of rent goes to expenses.
15 more calculations in this category
Comparison Metrics
Metrics comparing real estate returns to stocks, bonds, and other investments.
Why it matters
Is real estate really better than stocks? These metrics translate your property returns into equivalent financial instrument terms.
Equivalent Stock Return
6.70%
Total Year 1 ROI comparable to stock market annual returns.
Return vs S&P 500
-3.30%
Your total ROI minus the historical 10% S&P 500 average.
Income Per Hour of Management
-$169.84
Annual cash flow divided by annual management hours.
3 more calculations in this category
How You'll Use It
The calculator gives you three ways to explore 166 calculations for every property you add.
Category Dashboard
Browse all 166 results organized by category. KPI strip at the top, per-category charts, benchmark bars, and metric cards -- all for your property.
Switch between properties instantly from the dashboard.
Calculation Walkthrough
Walk through every calculation step by step. See the formula, then see it again with your actual numbers substituted in, then the computed result.
Printable. Great for learning or verifying results.
Individual Calculation Pages
Each of the 166 calculations has its own dedicated page with formula breakdown, your result, benchmark comparison, related metrics, and source code.
Deep-dive into any metric that matters to you.
95+ Property Input Fields
Capture every detail -- purchase price, rent, CapEx reserves, loan terms, tax rates, appreciation assumptions, and more. The more you enter, the more accurate all 166 calculations become.
Benchmark Comparisons
See how your property's key metrics stack up against standard investment benchmarks. Color-coded zones show green (strong), yellow (acceptable), and red (needs attention) at a glance.
Calculation Tags & Filtering
Browse all 166 calculations by category, hierarchy level, or tag. Find exactly the metrics you care about -- cash flow, returns, debt coverage, and more.
Change Tracking
Every edit to every property is logged. Change the rent, update the tax rate, adjust CapEx -- each change is timestamped so you can see how your assumptions evolved.
Unlimited Properties
Add as many properties as you want. Each one gets the full 166-calculation treatment. Switch between properties instantly from the dashboard.
Portfolio Integration
Properties you add here integrate with the Portfolio Manager for aggregate analysis -- total cash flow, weighted returns, and net worth across your entire portfolio.
Explore Further
Browse the full calculation catalog, learn how instant recalculation works, and see the chart visualizations up close.
Browse All 166
Browse every calculation by category, hierarchy level, or tag. Each one links to a full detail page with formula and explanation.
Browse166 Calculations
10 categories from income and returns to tax benefits and equity. Every metric a rental investor needs.
Learn moreInstant Recalculation
Change one input and all 166 calculations update instantly. See the interactive demo.
Try itCharts & Projections
Interactive expense breakdowns, returns comparisons, equity growth, and 5-year cash flow projections.
See chartsProperty Database
Enter your property details once into a comprehensive database. Every app reads from the same data.
Property Database
70+ fields, auto-save editing, live calculation sidebar, smart search and filtering. Your properties, always ready.
Learn moreComprehensive Property Data
Every number an investor needs across 11 organized sections. Toggle fields, conditional visibility, and rich classification.
Learn moreSmart Editing & Live Sidebar
Auto-save with 800ms debounce, per-section status badges, and a real-time calculation sidebar that updates as you type.
Learn moreRun 166 Calculations on Your Properties
Everything above runs on one sample property. Add your own and walk through every formula with your actual numbers.