T-Accounts and Trial Balance: Visualizing Double-Entry Bookkeeping
What Is a T-Account?
A T-Account is the standard ledger format that separates the debit side (left) from the credit side (right) for each account. It’s shaped like the letter T.
[Account Name]
Debit (Dr) | Credit (Cr)
____________|____________
|Double-Entry Bookkeeping and T-Accounts
Every transaction touches at least two T-accounts. For example, purchasing inventory with cash:
- Cash account: Credit 1,000,000 (asset decreases)
- Inventory account: Debit 1,000,000 (asset increases)
This ensures Total Debits = Total Credits at all times.
The Accounting Equation: Assets = Liabilities + Equity
T-accounts continuously reflect this fundamental equation:
Assets = Liabilities + Equity If this equation breaks down, there’s an error in the journal entry or posting process.
Normal Balance by Account Type
| Account Type | Normal Balance |
|---|---|
| Assets | Debit (Dr) |
| Expenses | Debit (Dr) |
| Liabilities | Credit (Cr) |
| Equity | Credit (Cr) |
| Revenue | Credit (Cr) |
T-Account Visualizer
Enter journal entries below and see the T-accounts and trial balance generated automatically.
T계정 시각화기
분개를 입력하면 T계정과 잔액시산표를 자동 생성합니다.
The Trial Balance Explained
The trial balance lists all T-account balances at a given date, split into debit and credit columns.
- Purpose: Verify the arithmetic accuracy of posting
- Limitation: Cannot detect wrong account selection, omitted entries, or offsetting errors
A balanced trial balance (Debit total = Credit total) confirms no arithmetic errors, but does not guarantee accounting correctness.
Even a balanced trial balance won’t catch classification errors — for example, recording an accounts payable as an accounts receivable.
Oiyo
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