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

Purchase price

Gross annual income

Operating expenses

Annual total: $42,000

Advanced

Annual expenses

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