Journal Entry Basics

A journal entry is how every transaction gets recorded in your books — the same simple format, every time.

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Anatomy of a Journal Entry

Every entry has a date, one or more accounts, a debit or credit amount for each account, and a short memo describing what happened. Debit lines are listed first (left-aligned); credit lines come second (indented, right-aligned). Total debits must equal total credits.

Five Common Entries

1. Owner invests $10,000 cash into the business

Account	Debit	Credit
Cash	$10,000	—
Owner's Equity	—	$10,000

2. Cash sale of $500

Account	Debit	Credit
Cash	$500	—
Sales Revenue	—	$500

3. Pay $200 rent in cash

Account	Debit	Credit
Rent Expense	$200	—
Cash	—	$200

4. Take out a $5,000 loan

Account	Debit	Credit
Cash	$5,000	—
Loan Payable	—	$5,000

5. Record $100 of monthly depreciation

Account	Debit	Credit
Depreciation Expense	$100	—
Accumulated Depreciation	—	$100

Quick Check

After every entry, ask: does Assets = Liabilities + Equity still hold true? If the two sides of the equation don't match, find the error before you move on — don't let it carry forward.

Frequently Asked Questions

What's the difference between a journal entry and a ledger?

A journal entry records one transaction, in the order it happened. The general ledger organizes all of those entries by account, so you can see the running balance of Cash, Revenue, etc. over time.

Do I need to write a memo for every entry?

It's strongly recommended. A short memo ("paid March rent") saves enormous time later when you or your accountant need to figure out why an entry was made.

Can one journal entry involve more than two accounts?

Yes — these are called compound entries. As long as total debits equal total credits across all the lines, you can have as many accounts as the transaction actually requires.

Is there a faster way to create journal entries?

Yes — the free Journal Entry Generator lets you describe a transaction in plain English and get the debit/credit entry generated instantly.

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