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Free calculators for rental investors.

19 tools to screen deals, model returns, and estimate taxes. No signup required.

Financial Metrics

NOI Calculator
Calculate Net Operating Income from gross rent, vacancy, and operating expenses.
Cap Rate Calculator
Measure unleveraged yield on any rental property.
Cash on Cash Return Calculator
See the first-year yield on the cash you actually put in.
Gross Rent Multiplier Calculator
Another fast comp screen using gross rent and price.
Return on Equity Calculator
See how efficiently your trapped equity is performing.
Equity Calculator
Calculate current equity, LTV, and projected equity growth.

Loans

DSCR Calculator
Check whether a property will qualify for a DSCR rental loan.
Mortgage Payment Splitter
Split a PITI mortgage payment into principal, interest, taxes, and insurance.
Refinance Breakeven Calculator
Find the months to recoup closing costs on a rate and term refi.

Tax

Schedule E Estimator
Estimate your Schedule E rental taxable income for a property.
1031 Exchange Timer
Track your 45 day identification and 180 day closing deadlines.
Depreciation Calculator
Compute annual straight line depreciation on a residential rental.
Cost Segregation Estimator
Estimate first year depreciation boost from a cost segregation study.

Screening

1 Percent Rule Calculator
Quick rent to price screen for rental acquisitions.
50 Percent Rule Estimator
Quick expense estimate using the classic 50% rule of thumb.

Investment Strategy

BRRRR Calculator
Model a Buy, Rehab, Rent, Refinance, Repeat deal end to end.
Capital Velocity Calculator
Track how fast your capital recycles through deals.

Property Management

PM Fee Benchmark
Compare your PM fees to typical market rates by state.

Section 8

Section 8 FMR Lookup
HUD Fair Market Rents by zip code and bedroom count.

Track the numbers that matter, automatically

DoorVault calculates NOI, CoC, depreciation, and PM fees from your actual income and expense data.

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