What if the debits and credits do not match?

Find the difference between the two totals. Divide the difference by 2 to check if a balance was placed in the wrong column, or divide by 9 to check for a transposition or slide error.

Are zero-balance accounts included?

Standard practice permits omitting accounts with a zero balance to save space, though automated accounting software often includes them by default.

What errors will a trial balance not catch?

A trial balance will not detect the omission of a complete transaction, recording a transaction twice, or using the wrong account for a correct debit or credit amount.

How to prepare a trial balance

A trial balance is an internal accounting report that lists the ending balances of all general ledger accounts at a specific point in time. It applies at the end of an accounting period to verify that the fundamental accounting equation remains in balance before preparing financial statements.

The setup

Gather the general ledger with updated ending balances for all accounts. Organize them in the standard chart of accounts order: assets, liabilities, equity, revenue, and expenses.

The steps

Set up a three-column worksheet with headers for Account Name, Debit, and Credit. 2. List each account in the standard order. 3. Enter the ending balance of each account into the appropriate Debit or Credit column based on its normal balance. 4. Sum the Debit column. 5. Sum the Credit column. 6. Verify that Total Debits equals Total Credits.

Checking the result

If the totals match, the ledger is mathematically balanced. Note that a balanced trial balance does not guarantee the absence of accounting errors, such as omitted transactions or entries posted to the wrong account.

Common errors

Frequent mistakes include entering a debit balance in the credit column (or vice versa), transposition errors (writing $123$ as $132$ ), slide errors (writing $100$ as $10$ ), and omitting a ledger account entirely.

Worked example

Prepare a trial balance for Company X given the following ledger balances: Cash $5,000; Accounts Receivable$ 2,000; Equipment $10,000; Accounts Payable$ 3,000; Common Stock $9,000; Service Revenue$ 8,000; Rent Expense $2,000; Wage Expense$ 1,000.

First, list assets (Cash, Accounts Receivable, Equipment) and assign their normal debit balances. Debit column: Cash $5,000; Accounts Receivable$ 2,000; Equipment $10,000. Second, list liabilities (Accounts Payable) and equity (Common Stock, Service Revenue) with normal credit balances. Credit column: Accounts Payable$ 3,000; Common Stock $9,000; Service Revenue$ 8,000. Third, list expenses (Rent Expense, Wage Expense) with normal debit balances. Debit column: Rent Expense $2,000; Wage Expense$ 1,000. Sum the Debit column: $5,000 +$ 2,000 + $10,000 +$ 2,000 + $1,000 =$ 20,000. Sum the Credit column: $3,000 +$ 9,000 + $8,000 =$ 20,000. Total Debits ( $20,000) equal Total Credits ($ 20,000). The trial balance is complete.

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References: OpenStax Principles of Accounting, Volume 1: Financial Accounting · Weygandt, Kimmel, and Kieso: Accounting Principles