Double Entry Accounting: What Is It & How Does It Work?

Double entry accounting is a simple bookkeeping habit that pays off. Each transaction is recorded twice—once as a debit, once as a credit—so your totals stay balanced and easy to review. 

Findings from Intuit QuickBooks’ Firm of the Future research show that simple, consistent processes help businesses stay organised. With double entry, owners can track cash, invoices, and expenses more clearly, for more reliable financial reporting.

Key Takeaways

• Double entry accounting records every transaction in two accounts, keeping the books balanced.
• The core equation is Assets - Liabilities = Equity and every entry must maintain this balance.
• Compared with single entry, double entry provides better error detection and a fuller view of your business’s financial health.
• Clear account categories (assets, liabilities, equity, income, expenses) make journal entries easier to review.
• With Intuit QuickBooks, you can automate entries and reports to save time on admin.

What is double entry accounting?

Double entry accounting is a bookkeeping system where every financial transaction is recorded in two accounts: one as a debit and another as a credit.

The formula is straightforward:

Assets – Liabilities = Equity

This method keeps your books balanced by making sure that total assets always equal liabilities plus equity.

Double entry vs single entry accounting

The difference between double and single entry accounting lies in complexity and accuracy:

• Single entry accounting is simple. You record transactions once, similar to maintaining a personal chequebook.
• Double entry accounting is more complex. You record both sides of a transaction—debits and credits—to give you a more reliable view of your business’s finances.

The double entry system also supports better business performance management, so you can identify errors faster.

Why is double entry accounting important?

To manage your company’s finances, it’s important to understand double entry accounting rules. Here’s why this method matters:

• Ensures that your books are always balanced and accurate.
• Provides visibility into your assets, liabilities, and equity for better decision-making.
• Makes it easier to detect errors.
• Forms the basis of key accounting formulas.

How does double entry accounting work?

So, what is the double entry system of accounting?

In the double entry system, every transaction affects at least two accounts. For example, when you sell a product, you would record an increase in assets (cash or accounts receivable) and an increase in income, which in turn boosts equity. When you take out a loan, you would record an increase in assets (cash) alongside an equal increase in liabilities. This process keeps your books balanced and ensures your Intuit QuickBooks reporting remains accurate.

To minimise errors:

• Always verify your debits and credits balance.
• Regularly reconcile accounts.
• Use accounting software (like Intuit QuickBooks) that automates calculations and reduces manual mistakes.

Accounts used in double entry accounting

Double entry accounting uses five key account types:

• Assets: What your business owns, such as cash or equipment.
• Liabilities: Debts and obligations your business owes to others.
• Equity: The owner’s residual interest after liabilities are subtracted from assets.
• Income: Revenue earned from sales or services.
• Expenses: Costs incurred while running the business.

Keeping these categories organised makes it easier to complete your double entry bookkeeping and other accounting tasks, such as cash flow forecasting.

Each account type behaves differently in double entry accounting, meaning that debits and credits have different effects:

Confused about why an increase in assets would be recorded as a debit? You’re not alone, but it’s more straightforward than it seems.

In daily life, we think:

• “Credit” = money coming in (e.g., your bank credits your account when you get paid).
• “Debit” = money going out (e.g., your debit card takes money from your account).

But in accounting, those words describe sides of an entry, not whether money comes in or out. They depend entirely on the type of account you’re working with.

How to record a journal entry

Bookkeepers record transactions in a general journal. Each journal entry includes:

• Date of the transaction
• Account titles and numbers affected
• Debit and credit amounts
• A brief description

Here are the ground rules for keeping accurate entries:

• Debits are recorded on the left; credits on the right.
• Most asset and expense accounts increase with a debit, while revenue and liability accounts increase with a credit.
• Total debits must always equal total credits.

Accounting software like Intuit QuickBooks will flag entries that don’t balance before posting.

Double entry accounting formula and examples

The double entry accounting formula is based on the balance sheet equation:

Assets – Liabilities = Equity

This formula ensures your books always balance. Below are two double entry accounting examples that demonstrate how it works in practice.

Double Entry Accounting Example #1

A small business purchases RM10,000 in inventory and pays cash.

Both accounts (cash and inventory) are assets, but one increases while the other decreases by the same amount. The overall change in total assets is zero, making this a simple, balanced journal entry.

Double Entry Accounting Example #2

This transaction shows what happens when a business makes a large purchase using both cash and borrowed money. The company buys a machine for RM30,000. To pay for it, the business uses RM7,000 in cash and takes out a RM23,000 bank loan.

Here’s what’s happening:

• The Machine account (an asset) increases by RM30,000 because the company now owns new equipment.
• The Cash account (also an asset) decreases by RM7,000 because that amount was spent.
• The Bank Loan account (a liability) increases by RM23,000 because the company now owes that money to the bank.

Even though some accounts go up and others go down, the total effect keeps the balance sheet equation—Assets = Liabilities + Equity—perfectly balanced. The increase in assets (the new machine) is offset by both the decrease in cash and the increase in liabilities.

In simple terms, the business gained something valuable (the machine) but also used cash and took on debt to get it. That’s the beauty of double entry accounting—it shows the full picture of what’s happening in your business finances, not just the cash spent or received.

Simplify double entry accounting with QuickBooks

Keeping your accounts balanced doesn’t have to be complicated. Intuit QuickBooks automates double entry accounting by tracking transactions across multiple accounts and helps you produce accurate financial reports with ease. Whether you’re managing invoices or verifying journal entries, our business tools simplify your accounting process so you can focus on growing your business.