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Understanding Debit and Credit Basics

Master the fundamental rule that powers double-entry bookkeeping. Every debit and credit you’ll ever record follows this core principle.

6 min read February 2026
Close-up of accounting journal showing debit and credit columns with handwritten entries and calculations

Why Debits and Credits Matter

You’ve probably heard these terms thrown around if you’re new to accounting. Thing is, they’re not complicated once you understand the basic concept. Debits and credits aren’t mysterious — they’re just a way of recording which direction money or value moves in a transaction.

In double-entry bookkeeping, every transaction affects at least two accounts. One account gets debited, another gets credited. This creates balance. It’s the reason the accounting equation (Assets = Liabilities + Equity) always stays balanced. We’ll walk you through how this works so it actually makes sense.

Diagram showing the accounting equation with assets on left side balanced by liabilities and equity on right side

The Core Rule You Need to Know

This single principle determines how every transaction gets recorded

01

Debits Go Left

Debit entries appear on the left side of an account. They increase asset accounts and expense accounts. They decrease liability accounts, equity accounts, and revenue accounts.

02

Credits Go Right

Credit entries appear on the right side. They do the opposite of debits. Credits increase liabilities, equity, and revenue. They decrease assets and expenses.

03

They Must Balance

Total debits must equal total credits. Always. This balance is what makes double-entry bookkeeping work. It’s your built-in error check.

Handwritten journal entry showing a simple business transaction with debit and credit columns properly balanced

Real Example: Recording a Transaction

Let’s say your business receives RM5,000 in cash from a customer. You’d record this in two accounts:

Debit RM5,000

Cash is an asset. Assets increase with debits.

Credit RM5,000

Revenue increases with credits. The totals balance.

Notice how the debit equals the credit? That’s the double-entry system working. Both sides of the equation stay balanced. Your total debits recorded today must equal your total credits. If they don’t, you’ve made an error somewhere.

How to Remember Which Way to Record

Most accountants develop mental shortcuts after a while. Here are some that actually work:

Think of T-Accounts

Visualize each account as a T. The left side is debit, the right is credit. This simple shape helps you remember which side is which when you’re confused.

Assets Behave Like Debits

Assets are what your business owns. They increase with debits and decrease with credits. It’s straightforward — more stuff means a debit.

Liabilities Are Opposite

Liabilities are what you owe. They work opposite to assets. Credits increase liabilities, debits decrease them. Owing more money? That’s a credit.

Assets = Liabilities + Equity. Keep this balanced. Every transaction affects this equation on both sides, which is why debits must equal credits.

Key Points to Remember

Debits and Credits Balance

In every transaction, debits must equal credits. This is the foundation of double-entry bookkeeping. It’s not optional — it’s the rule.

Account Type Determines Direction

The same transaction direction (debit or credit) doesn’t work for every account. Assets increase with debits, but liabilities increase with credits. Know your account types.

The Equation Always Balances

Assets = Liabilities + Equity. Every debit and credit you record maintains this balance. If your books don’t balance, you’ve made a mistake. This is your quality control.

Practice Makes It Automatic

The first few transactions might feel confusing. But after recording 20 or 30 entries, you’ll stop thinking about which side goes where. It becomes automatic.

Educational Purpose

This article provides foundational information about debit and credit concepts in double-entry bookkeeping. It’s designed to help you understand basic accounting principles. For specific accounting guidance related to your business or tax situation in Malaysia, consult with a qualified accountant or tax professional who understands your circumstances. Accounting rules and tax requirements vary by business type and situation. The examples shown here are simplified for learning purposes.