To record an unrecorded expense adjusting entry, debit the appropriate expense account and credit the matching payable account for the same dollar amount. That single two-line entry recognizes a cost your business has already incurred but hasn’t yet paid. It increases expenses on the income statement, adds a liability to the balance sheet, and never touches cash, because no money has changed hands.
What Qualifies as an Unrecorded Expense
An unrecorded expense, also called an accrued expense, is a cost your business has used up or benefited from but hasn’t paid or logged. Under accrual accounting, expenses are recognized when incurred, not when paid. The adjusting entry closes that timing gap.
These are the accruals that turn up at nearly every period close:
- Wages for days worked between the last payday and the closing date.
- Interest that has built up on a loan since the last payment.
- Utilities and services you’ve consumed but haven’t been billed for.
- Employer payroll taxes on any accrued wages: the employer’s share of Social Security (6.2%), Medicare (1.45%), and federal unemployment.
Every accrued expense has one thing in common: it creates a liability. Your business owes someone for something already received. If you don’t record it, profit looks bigger than it is and debt looks smaller than it is.
Working Out the Dollar Amount
You need a defensible figure before you post anything. The method depends on what you’re accruing.
Wages
Count the hours or days worked between the last payroll date and the closing date, then multiply by pay rates. If the period ends on a Wednesday and your pay cycle runs Friday to Friday, you’re accruing Monday through Wednesday. Then calculate the employer’s share of payroll taxes on those wages. Social Security at 6.2% and Medicare at 1.45% apply to most wage amounts, and forgetting them is one of the most common accrual mistakes.
Interest
Use simple interest: principal × annual rate × (days elapsed ÷ days in year). Some lenders use a 360-day convention, others 365. Check the loan agreement. A $100,000 note at 8% with 45 days since the last payment, on a 360-day basis, produces $100,000 × 0.08 × (45/360) = $1,000 of accrued interest.
Services and Utilities
With no invoice in hand, estimate from contract terms, meter readings, or prior-period averages. A company paying $15,000 monthly rent that closes on the 20th of a 30-day month would accrue $15,000 × (20/30) = $10,000.
Materiality
Not every unrecorded dollar needs an entry. Most accounting teams set a materiality threshold, a dollar figure below which an omission won’t meaningfully change anyone’s read of the business. Some use a flat cutoff, others a percentage of revenue or total assets. Set it as a deliberate policy rather than a case-by-case excuse, because small recurring accruals add up.
Writing the Entry
Every accrued expense entry has the same structure. Debit an expense account, credit a liability account, same amount. That’s the whole thing.
The debit hits the specific expense account on the income statement: Wages Expense, Interest Expense, Utilities Expense, whatever matches the cost. Debiting an expense account raises its balance and reduces net income for the period.
The credit hits the corresponding payable on the balance sheet: Wages Payable, Interest Payable, or Accrued Expenses Payable. Crediting a liability raises its balance and records the obligation.
Using the interest example, the entry is:
- Debit: Interest Expense — $1,000
- Credit: Interest Payable — $1,000
No cash appears. Cash only enters when you actually pay the bill in the next period.
Wage accruals usually need two entries. One for the wages (debit Wages Expense, credit Wages Payable), a second for the employer’s payroll tax obligation (debit Payroll Tax Expense, credit Payroll Taxes Payable). Rolling them together is a shortcut that leaves the payroll tax liability understated.
Clearing the Accrual When You Pay
When the payment happens, the liability has to come off the books. There are two ways to handle it.
Without a Reversing Entry
If the payment covers exactly what you accrued, debit the payable and credit cash. If the payment covers more than you accrued (because the full expense spans two periods), the entry has three lines: a debit to the payable to clear it, a debit to the expense account for the new period’s share, and a credit to cash for the total.
Say you accrued $1,000 of interest and the full payment is $1,200. The new-period entry is:
- Debit: Interest Payable — $1,000 (clears the old liability)
- Debit: Interest Expense — $200 (recognizes the new period’s share)
- Credit: Cash — $1,200 (records the payment)
Only $200 hits the new period’s income.
With a Reversing Entry
A reversing entry is an optional shortcut booked on the first day of the new period. It flips the original: debit the payable, credit the expense account, same $1,000. That zeros the liability and leaves a temporary credit balance in the expense account.
When the invoice arrives, the bookkeeper posts the full $1,200 as an ordinary debit to Interest Expense and credit to Cash, no split. The $1,000 credit balance from the reversing entry absorbs the old-period portion, leaving $200 of net expense in the current period.
Reversing entries help most when you’re dealing with high volumes of recurring accruals, like weekly payroll. They cut the risk of double-counting and let staff process invoices the normal way without checking whether part of each bill was pre-accrued. For a one-off accrual, the extra step may cause more confusion than it prevents.
Consequences of Skipping the Entry
Every missed accrued expense produces the same four-way distortion: expenses understated, net income overstated, liabilities understated, owner’s equity overstated. That isn’t cosmetic. Overstated income can push up estimated tax payments, mislead investors reading your profitability, and breach loan covenants tied to debt-to-equity ratios.
The damage compounds when accruals are missed on a pattern. A business that skips wage accruals at quarter end reports artificially swinging earnings, with one quarter too profitable and the next absorbing the prior quarter’s unrecognized costs.
Tax Deductibility Is a Separate Question
Recording an accrual in your books and deducting it on your tax return aren’t the same event. The IRS rules for deducting an accrued expense are stricter than what GAAP requires.
Two tests apply. First, the “all events” test: everything establishing your obligation to pay must have occurred, and the amount must be determinable with reasonable accuracy. Second, “economic performance” must have taken place. For services provided to you, economic performance happens as the work is done. For property you use, it happens as you use it.1Office of the Law Revision Counsel. 26 U.S. Code 461 – General Rule for Taxable Year of Deduction
A recurring-item exception can help. If the all-events test is met by year end and economic performance occurs within 8½ months after year end, the expense can still be deducted in the earlier year, provided the item recurs regularly and the earlier deduction gives a better picture of income.1Office of the Law Revision Counsel. 26 U.S. Code 461 – General Rule for Taxable Year of Deduction
Smaller businesses may not need to apply accrual rules for tax purposes at all. The IRS allows businesses with average annual gross receipts of $32 million or less (for tax years beginning in 2026) to use the cash method for tax, regardless of how their books are kept.2IRS. Revenue Procedure 2025-32 The base statutory threshold of $25 million is adjusted annually for inflation.3Office of the Law Revision Counsel. 26 USC 448 – Limitation on Use of Cash Method of Accounting