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Journal entry for accrued expenses

At month-end, debit the expense and credit Accrued expenses for work received but not yet billed. Reverse the accrual on the first day of the next month, then book the vendor's bill as usual when it arrives.
December work, unbilled
$4,000
December expense
$4,000
January net expense
$0
Entity
Illustrative company
Basis
Accrual
Currency
USD
Period
December 2025 – January 2026

The worked example

A contractor works through December and invoices $4,000 on January 5, 2026; the company pays on January 20, 2026. Closing December, the company accrues the cost, reverses it on January 1 and books the bill when it arrives.

  1. Adjusting entry · December 31, 2025

    JE-131 Dec 2025Adjustingposted

    Accrue December's contractor work.

    Journal entry JE-1, 2 lines
    AccountDimensionsDebitCredit
    6800 Contractor expense4,000 US Dollar
    2100 Accrued expenses4,000 US Dollar
    Totals4,000 US Dollar4,000 US Dollar

    Balanced.

    Reversed by JE-2

  2. Reversing entry · January 1, 2026

    JE-21 Jan 2026Adjustingposted

    Reverse the accrual.

    Journal entry JE-2, 2 lines
    AccountDimensionsDebitCredit
    2100 Accrued expenses4,000 US Dollar
    6800 Contractor expense4,000 US Dollar
    Totals4,000 US Dollar4,000 US Dollar

    Balanced.

    Reverses JE-1

  3. Transaction · January 5, 2026

    JE-35 Jan 2026Manualposted

    Book the contractor's invoice.

    Journal entry JE-3, 2 lines
    AccountDimensionsDebitCredit
    6800 Contractor expense4,000 US Dollar
    2000 Accounts payable4,000 US Dollar
    Totals4,000 US Dollar4,000 US Dollar

    Balanced.

  4. Transaction · January 20, 2026

    JE-420 Jan 2026Manualposted

    Pay the invoice.

    Journal entry JE-4, 2 lines
    AccountDimensionsDebitCredit
    2000 Accounts payable4,000 US Dollar
    1000 Cash4,000 US Dollar
    Totals4,000 US Dollar4,000 US Dollar

    Balanced.

What the entries do to the accounts

Every entry above posted to the ledger, starting from zero balances: the net debit or credit each account is left with. Debits equal credits, so the books still balance.

Net movement by account
AccountDebitCredit
1000 Cash4,000 US Dollar
6800 Contractor expense4,000 US Dollar
Totals4,000 US Dollar4,000 US Dollar

2 accounts net to zero across the entries and are not shown.

Why it is booked this way

December's work is December's cost even if the invoice arrives in January. The accrual puts it in the right month and shows what the company owed on December 31.

The reversal on January 1 is a convenience, not a rule: it lets accounts payable book the vendor's bill in January exactly as it always does, and the January P&L nets to zero for work already counted in December.

Common mistakes

  • Accruing at month-end and not reversing, then booking the bill too — the cost lands twice.
  • Accruing round guesses with no support. An accrual should point at a contract, a timesheet or a purchase order.
  • Accruing a bill that has already been entered in accounts payable.

Questions

Why reverse an accrual?
So the bill can be booked normally when it arrives without counting the cost twice. The reversal takes the accrual out on day one of the new month; the bill puts the real figure in; the month nets to the difference between the estimate and the bill, if any.
What is the difference between accrued expenses and accounts payable?
Accrued expenses are costs incurred without a bill yet. Accounts payable holds bills that have been received and approved. Both are liabilities; the difference is whether the vendor's invoice exists.

Terms on this page

Work with this entry

The tool that computes the schedule, the concept behind it, the entries that come next and the components that render them.

An illustrative company, not anyone’s real books. Every figure on this page is computed from the inputs in the example and posted by the same functions as the journal entry balancer. General information for US companies under US GAAP, not accounting or tax advice.

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