Double-Entry Bookkeeping Explained With Everyday Examples

Double-entry bookkeeping has a reputation for being hard, mostly because of two words: debit and credit. The idea underneath is simple. Every transaction affects at least two accounts, and the amounts on each side are equal. Money doesn’t appear from nowhere or vanish; it moves from one place to another, and the books record both ends of the move.

This guide explains the logic, what debits and credits mean, and walks through four everyday examples a small business owner will recognise.

The idea in one sentence

Every entry records where value came from and where it went, in equal amounts.

When you buy a $1,200 laptop for the business with cash from the checking account, two things happen: you have $1,200 less cash, and you own $1,200 more equipment. Single-entry bookkeeping, like a checkbook register, records only the first. Double-entry records both.

That second side is what makes the books self-checking. Because every entry balances, the totals across all accounts must balance too. If they don’t, something was recorded wrong, and you know to look.

The accounting equation

Double-entry rests on one equation:

Assets = Liabilities + Equity

What the business owns (assets) was paid for either with borrowed money (liabilities) or with the owner’s money and the profit kept in the business (equity). Every transaction keeps this equation true.

Income increases equity, because profit belongs to the owner. Expenses reduce it. That’s why income and expenses, which you track all year, eventually roll into equity at year end.

Debits and credits, without the mystery

Debit and credit don’t mean good and bad, or plus and minus. They’re just the two sides of an entry: debit is the left side, credit is the right. Each type of account has a normal side where increases go.

• Assets: increase with a debit, decrease with a credit.
• Expenses: increase with a debit, decrease with a credit.
• Liabilities: increase with a credit, decrease with a debit.
• Equity: increase with a credit, decrease with a debit.
• Income: increases with a credit, decreases with a debit.

A memory aid: assets and expenses sit on the left (debit); liabilities, equity and income sit on the right (credit). In every entry, total debits equal total credits.

One confusing thing: your bank says it “credits” your account when you deposit money. That’s from the bank’s point of view, where your balance is money it owes you, a liability. In your own books, the same deposit is a debit to your cash account.

Example 1: a sale paid on the spot

A photographer finishes a $900 shoot and the client pays by bank transfer the same day.

• Debit Business checking $900 (an asset goes up)
• Credit Photography income $900 (income goes up)

Debits $900, credits $900. Balanced.

Example 2: an invoice now, payment later

A web developer sends a client a $2,400 invoice due in 30 days.

On the day of the invoice:

• Debit Accounts receivable $2,400 (the client owes you; an asset goes up)
• Credit Development income $2,400

When the client pays three weeks later:

• Debit Business checking $2,400
• Credit Accounts receivable $2,400 (the amount owed goes back to zero)

Income was recorded once, when it was earned. The payment just turned one asset (money owed) into another (cash). This is accrual accounting; a business on the cash method would record the income only when paid.

Example 3: an expense on the business card

A consultant buys $150 of software on the business credit card.

• Debit Software and subscriptions $150 (an expense goes up)
• Credit Business credit card $150 (a liability goes up)

When she pays the card bill from checking:

• Debit Business credit card $150 (the liability goes down)
• Credit Business checking $150 (an asset goes down)

Notice the expense was recorded once, on the day of the purchase. Paying the card is a transfer, not a second expense. Recording the card payment as an expense too is one of the most common mistakes in single-entry books, and double-entry makes it hard to do.

Example 4: an owner draw

The owner of a single-member LLC moves $3,000 from the business account to her personal account.

• Debit Owner draws $3,000 (equity goes down)
• Credit Business checking $3,000 (an asset goes down)

No expense account is touched, so profit is unchanged. That matches the tax picture for a sole proprietor or disregarded LLC: you’re taxed on profit, not on what you take out. On the 2025 Schedule C, net profit is line 31, and draws appear nowhere on the form (a single-member LLC’s activity goes on the owner’s Schedule C, E or F unless it elects corporate tax treatment; see the IRS single-member LLC page).

An owner contribution is the reverse: debit checking, credit owner contributions.

Splitting an entry

An entry can have more than two lines, as long as debits equal credits. Say a $500 payment from checking covers a $380 loan payment that’s $300 principal and $80 interest, plus $120 of office supplies.

• Debit Loan payable $300
• Debit Interest expense $80
• Debit Office supplies $120
• Credit Business checking $500

Debits total $500; the credit is $500.

Why it’s worth it

Single-entry is fine for very small, simple businesses. Double-entry starts to pay off when you:

• Send invoices and need to know who owes you.
• Use credit cards or loans and want to see what you owe.
• Want a balance sheet, for a lender, a partner or yourself.
• Want errors to show up, rather than hide.

Most bookkeeping software does double-entry behind the scenes. You record “paid $150 for software with the business card”, and the software writes the debit and credit for you. Understanding what it’s doing helps you spot when a category is wrong and read your reports with confidence.

How Kemback fits

Small Business, part of Kemback Business, is built on double-entry books: every entry balances to the cent, manual journal entries are supported, and owner draws and contributions are kept apart from income and expenses. A general ledger report shows every entry behind each account, and the profit and loss, balance sheet and cash flow statement come from the same books. Rental Houses does the same job for landlords, home by home (rental property tracking). See pricing or create an account.

This post is general information, not tax advice. Check with a qualified tax professional for your situation.

#double-entry #bookkeeping basics #debits and credits

This article is general information, not financial, tax or legal advice. For decisions about your situation, talk to a qualified professional.