Free Legal Tool

Prorated Rent Calculator

Calculate the exact rent owed for a partial month at move-in or move-out — using either the actual-days or fixed 30-day method.

Estimate only — not legal advice. Your lease may specify a particular proration method.
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Rent Details
Prorated Rent Results
Enter your rent and date, then click Calculate Prorated Rent.
📋 About Proration Methods
Actual-days method divides the monthly rent by the real number of days in that specific month (28-31), giving a daily rate that varies slightly month to month. This is the most common and generally the fairest default absent a different lease term.
Fixed 30-day method always divides monthly rent by 30, regardless of the actual month length. Some leases specify this method for simplicity — it produces a slightly different (sometimes higher, sometimes lower) result than the actual-days method depending on the month.
The Residential Tenancies Act does not mandate a specific proration formula — the method used is generally whatever the lease specifies, or what the landlord and tenant agree to. Check your lease agreement first.
📅

Move-In Prorating

You typically owe prorated rent from your move-in date through the end of that calendar month.

📤

Move-Out Prorating

If your notice period ends mid-month, you may owe prorated rent only through your actual move-out date, depending on your agreement.

📃

Check Your Lease First

Many standard-form leases specify the proration method in the additional terms section.

💵

First Month Isn't Always Full Rent

Landlords often collect prorated first-month rent plus a full last month's rent deposit at move-in.

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Free to use on your own website or blog — just copy the code below. Includes attribution back to Legal Solutions Law Firm.

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