CapRateCity · Vol. II No. 32Established 2025775 US Markets Tracked
CapRateCity
An independent investor's notebook on US rental markets.
The Calculator Bench · 24 Free Tools

Real Estate Investment Calculators

Free, no-signup tools to analyze deals, estimate returns, and make smarter investment decisions — each with real math, worked examples, and the sources behind the formulas.

24 calculators · Pre-fillable with data from 775 US markets

Core Calculators

4 tools
  1. §01
    Cap Rate Calculator
    The foundational metric for evaluating rental property profitability.
  2. §02
    Cash-on-Cash Return
    Your actual percentage return on invested capital, factoring in financing.
  3. §03
    Mortgage Payment
    Monthly PITI with full cost breakdown over the life of the loan.
  4. §04
    BRRRR Calculator
    Buy, Rehab, Rent, Refinance, Repeat — the complete strategy calculator.

New This Quarter

4 tools
  1. §05
    HELOC Calculator
    Maximum line size, interest-only payment, repayment P&I, lifetime interest, and the break-even ROI for HELOC arbitrage.
  2. §06
    Rental Property ROI
    The four returns combined — cash flow, paydown, appreciation, and depreciation tax shield — into one annualized total return.
  3. §07
    Rent vs Buy
    Total cost over your hold period with opportunity cost on the down payment and break-even year.
  4. §08
    Cash-Out Refinance
    Investment-property refi: cash extracted, new PITI, post-refi DSCR, and net ROI on equity pulled out.

Financing & Refinance

3 tools
  1. §09
    DSCR Calculator
    Debt-service-coverage-ratio — max loan and minimum rent at your target DSCR.
  2. §10
    Closing Cost
    Itemized buyer-side closing costs with state-specific defaults and total cash to close.
  3. §11
    Home Appreciation
    Project future home value, leveraged equity gains, and annualized return.

Flip & BRRRR

4 tools
  1. §12
    ARV Calculator
    Estimate after-repair value from comparable sales — for BRRRR refis and flips.
  2. §13
    70% Rule (MAO)
    Maximum allowable offer for BRRRR and fix-and-flip deals.
  3. §14
    House Flip Calculator
    Project profit, ROI, and annualized return on a fix-and-flip deal.
  4. §15
    Fix-and-Flip Calculator
    Detailed cost breakdown with worst-case scenarios.

Strategy

4 tools
  1. §16
    House Hack
    Your effective housing cost after rental income from other units.
  2. §17
    Airbnb vs Long-Term
    Short-term vs long-term rental income and break-even occupancy.
  3. §18
    Airbnb Income Estimator
    Short-term rental income vs long-term for any US city.
  4. §19
    Partnership Calculator
    Split returns and cash distributions between investment partners.

Tax & Operations

5 tools
  1. §20
    1031 Exchange
    Tax deferred through a like-kind exchange, including boot and depreciation recapture.
  2. §21
    Depreciation
    Annual depreciation deduction and tax savings across income brackets.
  3. §22
    Seller Net Proceeds
    What you walk away with after commissions, closing costs, and capital gains.
  4. §23
    Rent-to-Income
    Check if rent meets the 3× income rule and find recommended ranges.
  5. §24
    Vacancy Loss
    Annual vacancy loss, effective gross income, and turnover costs.
The CapRateCity Report
Weekly market analysis: highest cap rate cities, emerging markets, and deal breakdowns. Free, no spam.