Glossary term
Debit
A debit is an accounting entry that increases assets or expenses and decreases liabilities, equity, or revenue.
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What Is a Debit?
A debit is an accounting entry recorded on the left side of an account. In double-entry accounting, debits increase asset and expense accounts and decrease liability, equity, and revenue accounts. The matching credit keeps the accounting equation in balance.
In everyday banking, debit can also mean money taken out of an account, such as a debit-card purchase or automatic bill payment. The accounting meaning is more precise: debit describes the side and effect of an entry inside a ledger.
Key Takeaways
- A debit is the left-side entry in double-entry accounting.
- Debits increase assets and expenses.
- Debits decrease liabilities, equity, and revenue.
- Every debit must be matched by one or more credits of equal total amount.
- In banking, debit often refers to money leaving an account, but that is not the full accounting meaning.
How Debits Work
Accounting systems use debits and credits to record every transaction in at least two places. If a business buys equipment with cash, it debits equipment because an asset increased and credits cash because another asset decreased. The total debits and credits are equal, so the books remain balanced.
The rules depend on account type. Assets and expenses normally increase with debits. Liabilities, equity, and revenue normally increase with credits. That pattern can feel backward to someone who only knows debit as a bank withdrawal, but it is the foundation of double-entry accounting.
Debit Effects by Account Type
Account type | Debit effect | Credit effect |
|---|---|---|
Asset | Increase | Decrease |
Expense | Increase | Decrease |
Liability | Decrease | Increase |
Equity | Decrease | Increase |
Revenue | Decrease | Increase |
This table is the practical key. Debit does not always mean good, bad, in, or out. It means a left-side entry whose financial effect depends on the account category.
Example
Suppose a company pays $1,000 in rent. The business debits rent expense for $1,000 because expenses increase. It credits cash for $1,000 because cash decreases. The transaction shows both the economic event and the funding source.
If the same company borrows $10,000 from a bank, it debits cash because cash increased and credits notes payable because a liability increased. The debit is not a loss; it is simply the accounting entry that records the higher cash balance.
Debit in Banking and Personal Finance
Bank statements use debit from the bank-account holder's point of view. A debit-card purchase, ATM withdrawal, ACH payment, or bank fee reduces the customer's deposit balance. That is why many people learn debit as money going out.
The bank's own accounting view is different. A customer's deposit is a liability of the bank, so a withdrawal reduces that liability. The consumer-facing label is still useful, but it should not be confused with the full accounting rule set.
Why Debits Matter
Debits also help explain why accounting entries can look unfamiliar in bank feeds or ledgers. A cash deposit may be a debit to cash for the business, while the same transaction may appear as a credit from the bank statement perspective. The account owner and the bank are looking at opposite sides of the relationship.
Debits are not just bookkeeping vocabulary. They shape financial statements. Expense debits reduce profit. Asset debits can show investment in inventory, equipment, receivables, or cash. Liability debits can show debt repayment. Without understanding which account is being debited, it is easy to misread what happened.
That is especially important when reviewing journal entries, loan payments, payroll records, bank feeds, or small-business bookkeeping. The word debit by itself is incomplete; the account being debited supplies the meaning.
The Bottom Line
A debit is a left-side accounting entry. It increases assets and expenses and decreases liabilities, equity, and revenue. In banking, debit often means money leaving an account, but in accounting the effect depends on the type of account being recorded.