Free Landlord Calculators
Free, no-signup calculators for the numbers landlords actually run: cash flow, ROI, and prorated rent. Every tool runs in your browser — nothing is sent anywhere.
Rental Property Cash Flow Calculator
enter rent and expenses to see monthly and annual cash flow and cash-on-cash return. No signup.
Rental Property ROI Calculator
cap rate, cash-on-cash return, and total first-year return including appreciation. For landlords evaluating a deal.
Prorated Rent Calculator
compute mid-month move-in or move-out rent instantly. Handles actual-days and 30-day methods. No signup.
Cap Rate Calculator
enter property value, rent, and operating expenses to get net operating income and capitalization rate instantly.
Cash-on-Cash Return Calculator
annual cash flow divided by cash invested. See your real yield and payback period. No signup.
Break-Even Rent Calculator
find the minimum rent that covers your mortgage, taxes, insurance, and reserves. Know your floor before you list.
Rent Increase Calculator
see the new monthly rent and annual income impact of a percentage or dollar increase. Includes notice-period guidance.
Security Deposit Calculator
compute the deposit and total move-in cost from monthly rent. Covers pet deposits and state limit guidance.
Late Rent Fee Calculator
flat, percentage, or daily fees with grace periods. See the fee owed and total amount due. No signup.
Rental Property Mortgage Calculator
monthly P&I, loan amount, and total interest on an investment property loan. No signup.
Free landlord templates →
This template is provided for general informational purposes and does not constitute legal advice. Landlord-tenant law changes and local ordinances may impose additional requirements — verify current state and local rules before serving any notice. Last reviewed September 2026.