How To Calculate Prorated Rent

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One of the questions that we see asked a ton is “How Do I Calculate the Prorated Rent on My Unit”?

Before we answer that question, let’s answer an important question:

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What exactly is Prorated Rent?

Prorated rent is how much you, the landlord, charge a tenant when the tenant is occupies the rental for a unit less that specific on the lease.

The most common example is a tenant who starts a monthly or yearly lease in the middle of the month. Normally, you charge them for a whole month, but they won’t be living in the unit for a whole month at some point of the term. Since your daily rental rate is often significantly higher then your monthly rate, you need to prorate the apartment rental.

Why do You Need to Prorate the Rent?

Simple – it’s the honest, fair thing to do. It’s the best method for when tenants want to move in for odd lease durations, or need to get a 4.5 month lease or something similar.

How Do You Prorate the Rent?

There are two popular methods to prorate rent:

1. Number of Days in the Year

While popular in certain segments of the rental industry, it can be confusing to tenants. It’s technically the most accurate for a yearly lease, but can sometimes cause confusion and short change tenants during months with shorter days.

Here’s the formula to prorate yearly:

((Months Rent * 12) / Days in The Year)) * The Number of Days The Tenant Needs to Pay

If we took an example of August 18th Moving in Day, and a monthly rent of $1000, the equation ends up being:

((1000 * 12/ 365)) * 14 =  $460.27

2. Prorate by the Number of Days in the Month

This method is simpler, easier to calculate, and ultimately ends up being fairer to tenants.

((Month's Rent) / Days in the Month)) * The Number of Days The Tenant Needs to Pay

Using our example again from above of August 18th with a $1000/m rental:

((1000 / 31)) * 14 =  $451.61

Notice how the monthly prorated came out to slightly less then the yearly prorated? The yearly prorated will be more on months with 31 days.

The nice thing about the monthly pro-ration is it works extremely well for those who often rent month to month. And since your rents can be all over the place depending on demand, it makes sense to prorate based on the actual month the tenant is renting.

Additionally, it’s dead simple. Your tenants will get it and you shouldn’t have that many problems or pushback from them.

Local Laws and Prorating

As always, check with your local government about specifics related to prorating the rent. In Los Angeles, for example, the courts have decided that a rental month is always 30 days for evictions, so use that for your prorating.

Summing Up About Prorating and Rental/Lease Agreements

Whatever method you decide to use to prorate, be consistent. Specify how you’re prorating in your lease, when you take the prorated rent (some Landlords will prorate a longer term lease on the second month to smooth out income and make sure you can pay the rent), and what method you’ve decided to use to prorate the rent. Once you’ve done that, stick to it!

At the end of the day, prorating is not a difficult concept.

Post in the comments if you have questions or opinions on how to prorate!



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Click Here to Leave a Comment Below 2 comments
Kiara - January 24, 2017

Can you prorate my rent if it is 1685 and they give us 6 weeks free, how much will it be for the next 12 months?

    Lynn - March 7, 2017

    I came up with this; $1685 mo divided by 30 = 56.17 x 14 = 786.33 so take $1685 + 786.33 = $2471.33 is your savings for 6 weeks, then go back to your monthly rent $1685 x 12 = $20,220 – $2471.33 = $17748.67 total rent for one year with 6 weeks free. Great job on the savings! That’s a week vacation to the tropics!


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