Use this real-estate calculation for a transparent preliminary valuation, financing, income, expense, area, tax, return, or market scenario with explicit dates and assumptions.

Listed At Unix Milliseconds (ms)

Required number input.

Observed At Unix Milliseconds (ms)

Required number input.

Elapsed days, including fractional days, from a listing timestamp to a sale or observation timestamp; both use Unix milliseconds. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Elapsed Days (day)

The resulting elapsed days returned as a number.

• Real properties differ in location, condition, leases, zoning, title, taxes, financing, vacancy, capital needs, environmental risk, and market liquidity. Forecasts and ratios are not appraisals, loan offers, tax opinions, or investment advice.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Reconcile assumptions to leases, operating statements, surveys, tax records, lender terms, comparable evidence, and physical inspection; test downside scenarios and obtain qualified local advice.

• Monthly Mortgage Payment

  Level monthly principal-and-interest payment on a fully amortizing fixed-rate loan, including a zero-interest branch.

• Absorption Rate

  Average closed sales per month over a specified observation interval.

• Cash on Cash Return Calculator

  Compute the pre-tax cash-on-cash return from annual pre-tax cash flow and total cash invested.