ROI Math — investor calculators

Free Real Estate Investment Calculators

Underwrite deals in seconds with free cap rate, cash-on-cash return, cash flow, and state property tax calculators. No sign-up, no spreadsheets — results update as you type.

Investment Return Calculator
Live NOI, cap rate, financing, and cash-flow underwriting.
$2,865/mo
$
$

Annual total: $42,000

Advanced
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NOI
$84,000
Cap rate
9.88%
Expense ratio
33.33%

Income allocation

Gross income, expenses, and net return split.

Operating expenses$42,000
Net operating income$84,000
Loan amount
$637,500
Annual cash flow
$34,382