Landlord calculators

Every calculator runs entirely in your browser — nothing you type is sent anywhere.

Prorated rent calculator

Charge the right amount for a mid-month move-in — actual-days, 30-day, and daily-annual methods compared.

Rental yield & cap rate calculator

Gross yield, NOI, cap rate, monthly cash flow, and cash-on-cash return from one set of inputs.

Rent increase calculator

Work out the percentage, check it against state caps (California, Oregon, Washington, DC), and see the notice you must give.

Security deposit interest calculator

State-aware: prefills the current statutory rate where one exists and tells you if interest is owed at all.

Vacancy cost calculator

Lost rent + turnover + carrying costs, per day and against annual rent — the number to know before holding out for higher rent.

Rent-to-income ratio calculator

The 3× income rule and the 30% affordability rule, checked instantly for tenant screening.

Landlord software cost calculator

What 12 property-management tools would cost at your unit count, filtered by the features you actually need.