Features Pricing Try Demo Sign In Start Free

Free Calculators

Ten interactive calculators built for rental property investors. Run the numbers before you make the offer, structure the deal, or file your taxes.

10
Calculators
100%
Free, no signup
Live
Instant results

Deal Analysis

NOI Calculator
Net Operating Income from rent, vacancy, taxes, insurance, PM fees, and maintenance. Annual and monthly output.
rental property noi calculator
Cash-on-Cash Calculator
CoC return from down payment, closing costs, rehab, NOI, and debt service. Benchmark against 8%, 12%, 15%+ thresholds.
cash on cash return calculator rental property
BRRR Calculator
Full BRRR deal math: equity remaining, capital recovered, monthly cash flow, CoC, and velocity rating (ROCKET / STEADY / SLOW).
brrr calculator real estate
Capital Velocity Calculator
How fast your capital comes back. Recovery rate, velocity score, and estimated cycles per year based on your rehab timeline.
capital velocity calculator real estate
Equity Calculator
Equity in dollars and percent, LTV ratio, and a quick sanity check on whether your deal is building real wealth.
rental property equity calculator

Tax & Financing

Schedule E Worksheet
All 15 Schedule E Part I line items with live totals. Shows net rental income or loss, ready to hand to your CPA.
schedule e worksheet rental property
Depreciation Calculator
Annual and cumulative depreciation over 27.5 years. Enter purchase price, land value, and year to get your Schedule E Line 18 number.
rental property depreciation calculator 27.5 years
Mortgage Split Calculator
Split your monthly PITI into principal, interest, tax escrow, and insurance escrow. Maps directly to Schedule E deductible amounts.
split mortgage payment schedule e

Property Management

PM Fee Benchmark
Calculate your monthly PM cost and compare it to typical market rates by state. Know whether your PM is charging fair fees.
property management fee calculator
Section 8 FMR Lookup
HUD 2025 Fair Market Rents by zip code and bedroom count for all 10 of our target markets. Monthly and annual figures.
section 8 fair market rent lookup by zip code

Track the numbers that matter, automatically

DoorVault calculates NOI, CoC, depreciation, and PM fees from your actual income and expense data — not manual inputs.

Analyze a Deal Free Start Free