Real Estate Calculators
Last updated: October 2026
Mortgage Payment Calculator
Estimate the full monthly cost of owning a home β principal, interest, property tax, and homeowner's insurance β bundled into the single number lenders call PITI.
Rent vs Buy Calculator
Compare the true cost of buying and renting over the years you plan to stay: mortgage interest, ownership costs, buying and selling costs and the lost return on your down payment against rent that rises each year and the home's appreciation.
Square Footage Calculator
Calculate square footage for a room, house, lot or patio: rectangles, triangles and circles, feet plus inches, extra areas added on, with the answer in square feet, square yards, square meters or acres.
Real Estate Break-Even Analysis
Find a rental property's break-even ratio, the share of full rent needed to pay the mortgage, operating expenses and maintenance, and its monthly cash flow after a vacancy allowance.
Square Feet to Acres Calculator
Convert between square feet and acres in both directions.