How to Calculate Deferred Rent Expense

By Motley Fool Staff – Updated Apr 29, 2025 at 10:32PM

Key Points

Deferred rent expense adjusts for uneven payments across a lease term.
Monthly financials use a straight-line rent expense, averaging total lease payments.
Use of deferred rent accounts balances financial statements, complying with GAAP.
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Generally accepted accounting principles dictate that a business's rent expense should be shown on a business's financial statements as a consistent amount from month to month. In accounting parlance, that's called a "straight line" method.

That's all well and good when the lease is consistent over time, but many times, a lease may require the monthly payment to increase with inflation over time. Other times, a lessor may offer a rent holiday -- a "first month free" type of incentive. For accountants, dealing with these odd payment structures requires the use of an account called deferred rent expense.

Pen in hand, signing a rental agreement.

Image source: Getty Images.

How to calculate

How to calculate deferred rent expense

To demonstrate how the deferred rent expense account works in practice, let's work through a simple, illustrative example. Let's assume that a business has a 12-month lease with a rental payment of $1,000 per month for the first six months and $1,500 for the second six months.

The first step in accounting for this lease structure is to determine the average monthly rent payment for the entire lease. In this case, that is six payments of $1,000 and six payments of $1,500, or $15,000 total. That total payment, divided by the 12-month lease term, means the average payment is $1,250.

According to generally accepted accounting principles (GAAP), that $1,250 average payment is the amount that should be used each month to create the financial statements. Of course, the payment is $250 less than that in the first six months of the lease, and then $250 more than that in the second six months. On a month-to-month basis, that just doesn't balance.

Deferred rent expense account

To account for those differences, the accountant should use a deferred rent expense account. In this example, each month for the first six months of the lease, the deferred rent account will rise by $250 per month. Then, in month seven, when the rent increases to $1,500, deferred rent will decrease by $250 a month.

	Rent Paid	Rent Expense	Deferred Rent	Cumulative Deferred Rent
January	$1,000	$1,250	$250	$250
February	$1,000	$1,250	$250	$500
March	$1,000	$1,250	$250	$750
April	$1,000	$1,250	$250	$1,000
May	$1,000	$1,250	$250	$1,250
June	$1,000	$1,250	$250	$1,500
July	$1,500	$1,250	($250)	$1,250
August	$1,500	$1,250	($250)	$1,000
September	$1,500	$1,250	($250)	$750
October	$1,500	$1,250	($250)	$500
November	$1,500	$1,250	($250)	$250
December	$1,500	$1,250	($250)	$0

The monthly rent expense does not change over the entire term of the lease. Accounting rules say that it must remain constant, or straight line, at $1,250 each month. The rise and fall of the deferred rent account ensures that the company captures the actual cash being paid on the financial statements while staying in line with this accounting rule.

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