Enter monthly rent, lease term, and free months to calculate the net effective monthly rent.
How to Use the Net Effective Rent Calculator
Enter the monthly face rent quoted on the lease, the lease term in months, and how many of those months are free as a leasing concession — the calculator spreads the discount across the full term automatically.
Landlords advertise a headline rent, then quietly knock a month or two off to close the deal. The sticker price and what a tenant actually pays per month, averaged out, are two different numbers — this tool exists to surface the second one.
Total Rent Paid = Gross Rent × (Lease Term − Free Months)
Net Effective Rent = Total Rent Paid ÷ Lease Term
Total Savings = Gross Rent × Free MonthsA $2,000/month lease running 12 months with one month free means the tenant actually pays for 11 months: $22,000 total, spread across all 12, for a net effective rent of $1,833.33 and a savings of $2,000 over the term.
Why the Distinction Matters
Compare two units side by side using only the face rent and the one offering a free month will look more expensive than it really is, even if it's the cheaper deal once the concession is accounted for. Net effective rent puts every listing on the same footing regardless of how the landlord chose to structure the discount — as a flat reduction, a temporary concession, or anything in between — as long as it converts cleanly into free months. It's also the number worth checking against a household budget, since the month with no rent due can make cash flow lumpy even when the yearly average works out fine.