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

Renewed Leases

Required number input.

Expiring Leases

Required integer input.

Renewed leases as a percentage of leases that expired during the period. 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]

Retention Percent (percent)

The resulting retention percent 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.

• Cap Rate Spread

  Signed spread in percentage points between a property cap rate and a financing rate.

• Common Area Factor

  Common area as a percentage of usable tenant area under a stated measurement convention.

• Market Rent Growth

  Percentage change from an old market rent to a new market rent over a stated period.