Naja The Locator
Naja
The Locator
Free tool

Apartment Proration Calculator

Ever see "8 Weeks Free" or "2 Months Free" and wonder what that actually means? You're not alone.

This calculator shows what you'll actually pay on average each month — so you can compare apartments fairly.

What is Proration?

Think of it like this…

Apartment communities advertise specials like:

  • 8 Weeks Free
  • 2 Months Free
  • $5,000 Off

Instead of paying the full advertised rent every month, those discounts lower your average monthly cost. That average is called your Net Effective Rent.

It's the number that matters when comparing apartments.

Real Example

Apartment A

Monthly Rent
$2,300
Special
2 Months Free
Average Monthly
$1,946/mo

You still sign a lease for $2,300/mo. But because of the free rent, it's like paying $1,946 each month on average over your lease.

Calculator

Try it with your apartment

Only asks for what you actually know. Pick how your special is written and go.

$

The rent they advertise per month.

months

How many months your lease will be.

weeks

If they say '2 Months Free', that's about 8.66 weeks.

$

Trash, pest, tech — anything charged monthly.

A quick note
Net Effective Rent is for comparison purposes only. Most apartment communities still require your full monthly rent payment unless they specifically apply free rent to certain months. Always confirm how concessions are applied with the leasing office.