How to Tell If Your Small Business Is Actually Profitable From Your Bookkeeping

There’s a moment a lot of small business owners hit: the bank account looks healthy, work is steady, and yet something feels off — you can’t quite say whether the business is winning or just busy. The account balance won’t tell you, because it’s a mix of money you’ve earned, money you owe in taxes, and money that’s really the customer’s until you deliver. The only honest answer lives in your bookkeeping. Here’s how to read it and get a straight yes-or-no on whether you’re making money.

Why your bank balance lies

Say your business checking shows $8,000. Feels good. But some of that is sales tax you’re holding for the state, some is a client deposit for work you haven’t done, and none of it has taxes set aside yet. The balance is a snapshot of cash on a random day, not a measure of whether the business earns more than it spends. Judge profitability by the balance and you’ll feel rich right up until a tax bill or a refund empties it.

Profit is a different question entirely, and it has a precise answer.

The one calculation that answers “am I profitable?”

Profit = Total income − Total expenses, over a defined period (a month, a quarter, a year).

That’s it. If the number is positive, you made a profit for that period. The whole skill is in doing it honestly — counting all the income and, crucially, all the expenses, including the small recurring ones that are easy to wave away.

A worked example: profitable, or just busy?

Elena runs a small candle business. Here’s her month, straight from her bookkeeping.

Income:

Source Amount
Online store sales $4,200
Two craft-fair days $1,100
Total income $5,300

Expenses:

Category Amount
Wax, wicks, jars (materials) $1,600
Shipping & packaging $520
Online store & payment fees $310
Craft-fair booth fees $240
Marketing (ads) $180
Software & subscriptions $70
Total expenses $2,920

Profit = $5,300 − $2,920 = $2,380. The business is profitable. So far, so good.

Go one level deeper: margin

Raw profit tells you if you made money. Profit margin tells you how efficiently — and it’s the number to watch over time.

Profit margin = Profit ÷ Income × 100

For Elena: $2,380 ÷ $5,300 = 45%. For every dollar of sales, she keeps 45 cents before taxes and her own pay. On its own the percentage means little — what matters is the trend. If next month materials costs jump and margin slides to 35% even though sales rose, that’s an early warning that costs are outpacing growth. Margin catches problems that raw profit hides.

The test most owners skip: pay yourself

Here’s the uncomfortable one. Elena’s $2,380 profit assumes her own labor is free. But she spent maybe 50 hours making, selling, packing, and posting. If she’d have to pay someone, say, $20/hour to do that work, that’s $1,000 of real labor value the business consumed.

Profit after a fair wage for your time = $2,380 − $1,000 = $1,380.

Still positive — genuinely good. The business pays Elena for her time and earns $1,380 on top. But run this test and some “profitable” businesses reveal themselves as a job that pays below minimum wage with extra stress attached. That’s not a failure to hide from; it’s exactly the signal you want, because it tells you to raise prices, cut costs, or rethink the model before you burn out.

The three numbers to read every month

When you close your books each month, read these three, in order:

  1. Profit (income − expenses) — did the business make money this month?
  2. Margin (profit ÷ income) — is each dollar of sales as efficient as last month?
  3. Profit after owner’s pay — does it still make money once your time is valued fairly?

Read together and tracked month over month, these three turn “I think it’s going okay” into a clear, honest verdict — and show you the trend before it becomes a problem.

Let your bookkeeping do the math

You can total all of this by hand, but the point of good bookkeeping is that these numbers appear on their own the moment you log a transaction. Our Small Business Bookkeeping Spreadsheet has a Dashboard that shows income, expenses, profit, and margin automatically as you enter data, plus an Income Tracker, an Expense Tracker with 25 IRS Schedule C categories, a Cash Flow tab, and a Tax Summary. 836+ formulas keep the profit number current, so the “am I actually making money?” question is answered every time you open the file.

Reading your profit is the last step of the monthly routine — see the full monthly bookkeeping checklist for everything that feeds into it.


Featured on ReadySheetGo: Small Business Bookkeeping Spreadsheet Template — 9 tabs with a live profit-and-loss Dashboard, 836+ auto-calculating formulas, 25 IRS Schedule C categories, and a tax-ready summary. Works in Microsoft Excel and Google Sheets. $17.99 (currently $10.79 with the LAUNCH40 sale). Instant digital download.

Frequently Asked Questions

How do I know if my small business is profitable?

Profit is total income minus total expenses over a period — not how much cash is in your account. Add up everything the business earned for the month or year, subtract every business expense including the small recurring ones, and if the result is positive, the business made a profit. A healthy bank balance can hide a loss if you haven't set aside taxes or paid yourself, so always check the profit figure, not the balance.

What's the difference between revenue and profit?

Revenue (or income) is all the money coming in before any costs. Profit is what's left after you subtract expenses. A business can have high revenue and still lose money if its expenses are higher. Revenue tells you how much activity the business has; profit tells you whether that activity is actually worth doing. Owners get into trouble when they judge success by revenue and never check profit.

What is a good profit margin for a small business?

It varies widely by industry — a service business with few costs might run a 60–80% margin, while a product business that buys inventory might run 10–20%. Rather than chase a universal number, track your own margin month to month and watch the trend. A margin that's steady or rising while revenue grows is the real signal of a healthy business. A falling margin as you grow means costs are outrunning income.

Should I count my own pay as a business expense?

For understanding true profitability, yes — factor in a reasonable wage for your own time, even if you don't formally pay yourself. A business that only looks profitable because the owner works for free isn't really profitable; it's buying you a job at below-market pay. Subtract what you'd have to pay someone to do your role, and see whether the business still makes money on top of that.

Simplify Your Business Bookkeeping

The Small Business Bookkeeping Spreadsheet — 9 tabs, 836+ formulas, 25 IRS Schedule C categories, invoice log, reconciliation, and a tax-ready summary. Works in Excel and Google Sheets.

View on Etsy — $17.99