Calculators and checklists

Every tool here runs in your browser. Nothing you type is sent anywhere, stored, or logged — reload the page and it is gone.

They are estimators, not quotes. Each one shows the arithmetic it used so you can check it against your own paperwork rather than trusting a number.

• Rental Cash Flow and Cap Rate Calculator

  What a small rental actually returns after vacancy, maintenance, and the reserves most spreadsheets leave out.

• Security Deposit Settlement Calculator

  Work out what to return from a security deposit, separating damage from normal wear — and what a late return can cost.