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How to Prorate Rent

If you don't move in at the start of the month, your landlord may prorate rent for the first month. It's the same for moving out before the end of the month, too. The reason for this is pretty simple: If you aren't occupying the home for the full amount of time, you shouldn't have to pay the rent for the entire time.


Monthly vs. yearly proration

How exactly do you calculate the prorated rent? Each rental contract is unique — some are month-to-month and others are for a set period of time, such as six months or a year.

Prorate rent by month

Prorating by month is the most common method, mostly because it's the easiest to calculate.

Monthly Rent / Days in Month = Daily Rent

Daily Rent x Number of Days You're Occupying = Monthly Prorated Rent

To get the right number, divide your monthly rent by the number of days in the month. That gives you the daily rental rate for that month. Then, multiply that rate by the number of days you're occupying your home in the month. That gives you the prorated rental rate.

Let's say that your monthly rent is $900 and you move in on Sept. 10. Since there are 30 days in September, your daily rent for that month is $30. You're occupying the home from September 10 to 30, which comes out to 21 days. Rent for 21 days at $30 a day is $630, so that would be your prorated rent for that month.

Step 1: $900 / 30 = $30 per day

Step 2: $30 x 21 = $630

Prorate rent by year

Rarely is rent prorated by the year. The math here is a little bit more involved, and therefore is used less.

Monthly Rent x 12 = Cost Per Year

Cost Per Year / 365 = Daily Rent

Daily Rent x Number of Days Your Occupying = Yearly Prorated Rent

First, you multiply the monthly rent by 12 to get the cost per year. Divide that by 365 (or 366 in a leap year) to get a daily rental rate, then multiply that by the number of days you're occupying your home.

Let's take the same example as above, $900 a month in rent and moving in on Sept. 10. Multiplying $900 by 12 gives you $10,800 a year in rent, and dividing that by 365 gives a rental cost of $29.59 a day. Multiply that by the 21 days you're living there, and you get a prorated cost of $621.39.

Step 1: $900 x 12 = $10,800

Step 2: $10,800 / 365 = $29.59

Step 3: $29.59 x 21 = $621.39

The cost of prorating with different methods varies, as this demonstration shows. In months with 31 days, yearly proration will cost more, while monthly proration costs more in other months. But whichever is used, now you know how to prorate rent and can be prepared for exactly how much you need to pay.

Prorated rent isn't required

While it's nice that some landlords prorate rent, it's not a legal requirement. Once you've signed a rental contract, you're responsible for all rental payments until your contract ends, even if you do end up moving in or out mid-month. If you want your rent to be prorated, it's up to you to bring it up with your landlord.

If you move out before the end of the month and your landlord doesn't have someone else moving in immediately, they may choose not to prorate your rent. But if you're ready to move in and aren't able to due to circumstances presented by the landlord, then it's more likely your landlord will prorate rent for the first month as you can't begin living in the rental.

Get it in writing

If you happen to come to an agreement with your landlord on prorated rent, make sure you get it in writing. If it's only a verbal agreement and not written, there may be confusion and disagreement later on between you and your landlord, which can result in rent not being prorated at all.

Get your agreed-upon rent proration in some form of writing. Ideally, it would be included in your rental agreement or a clause will be added afterward. If for some reason you can't get it in your rental contract, get it in another form of writing from your landlord, even if it's an email or text message. That way, you can both easily refer back to it and there's no confusion or tension around the matter.

Ask your landlord

If you think your rent should be prorated but aren't completely sure, the simple answer is to ask your landlord. The worst that can happen is they don't prorate your rent, and if you do come to an agreement, then you'll save some money.

Categories: Renters

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About the Author
Morgen Henderson

Morgen Henderson is a writer who grew up in Utah. She lived in the Dominican Republic for a year and a half, where she was involved in humanitarian
service. In her free time, she loves to travel, bake, do DIY projects, and improve her Spanish skills.