Free tools

Landlord tools that do the math

Free calculators for the numbers every landlord runs into — no signup, no spreadsheet, answers as you type.

Prorated Rent Calculator

Get the exact partial-month rent for a mid-month move-in or move-out. Enter the rent and date, pick a proration method, and see the daily rate, days occupied, and amount due — with the formula written out.

Calculate prorated rent

Rental Property ROI Calculator

Run the numbers on any rental deal. Enter price, financing, rent, and expenses to see monthly cash flow, cap rate, cash-on-cash return, and gross rent multiplier — computed live as you type.

Analyze a rental deal

Prefer reading?

Practical guides on rent tracking, screening, taxes, and running a rental business — written for independent landlords.

Done calculating? Put it on autopilot

LandLordSpan handles rent collection, maintenance, and leases so the numbers track themselves. Start free with up to 2 properties — no credit card required.