Important financial terms small business owners should know

Small business finances get a lot easier once you know what to look for, and what the terms actually mean. Still, many owners start without that foundation. In a recent QuickBooks survey, only 54% of small business owners say they had a good understanding of financial management before starting a business.

This guide is here to close that gap. We’ll break down the essential financial terms you’ll see across your balance sheet, income statement, and cash flow, plus the ratios, tax terms, and planning metrics that help you run your business with clarity.

What are financial keywords?

Financial keywords are the common terms you’ll see in accounting, bookkeeping, and everyday business finances. Think of them as the language your numbers speak. Once you know what they mean, it’s much easier to understand your financial statements, make sense of tax forms, and spot what’s really driving your results.

When you get comfortable with these keywords, you can:

• Talk with accountants, bookkeepers, and lenders with confidence
• Read financial reports without feeling like you need a translator
• Make smarter, data-backed decisions about pricing, hiring, and spending
• Stay on top of taxes and compliance by understanding what’s being tracked (and why)
• Negotiate better terms with lenders and investors because you know what the numbers actually say

Core accounting terms

Some core accounting terms you need to know are assets, liabilities, and equity.

Assets

Assets are everything your business owns that has monetary value. In other words, if it helps your business operate or can be converted into cash, it’s probably an asset.

Assets usually fall into two buckets: current assets (i.e., resources you can use or turn into cash soon) and fixed assets (i.e., long-term assets you use to run the business)

Current assets include:

• Cash and cash equivalents
• Accounts receivable
• Inventory
• Prepaid expenses
• Marketable securities

Fixed assets include:

• Property and buildings
• Equipment and machinery
• Vehicles
• Furniture and fixtures
• Intangible assets like patents and trademarks

Liabilities

Liabilities are the financial obligations your business owes to other people or organizations. Put simply: they’re your business’s debts and bills. When you understand your liabilities, it’s easier to manage payments and keep your finances steady.

Liabilities usually fall into two categories: current liabilities (due within the next year) and long-term liabilities (due after a year)

Current liabilities include:

• Accounts payable
• Short-term loans
• Accrued expenses
• Payroll taxes payable
• Credit card balances

Long-term liabilities include:

• Mortgages
• Business loans with terms exceeding one year
• Bonds payable
• Deferred tax liabilities

Equity

Equity is the owner’s share of the business. It’s what’s left over after you subtract what you owe from what you own. You can think of it as the value the owner has built in the business over time.

Formula:

Assets - liabilities = equity

Equity can include:

• Owner's capital
• Retained earnings
• Common stock (for corporations)
• Additional paid-in capital

Income statement keywords

Your income statement (also called a profit and loss statement) shows what your business brought in, what it spent, and what it kept over a set period of time. These are the keywords you’ll see most often.

Revenue

Revenue is the total income your business earns from its normal operations before expenses are subtracted.

You may also see these common revenue terms:

• Gross revenue: Total sales before any deductions
• Net revenue: Revenue after returns, discounts, and allowances
• Recurring revenue: Predictable income from subscriptions or ongoing contracts
• Deferred revenue: Payment you’ve received for work you haven’t delivered yet

Revenue is a key growth signal, but by itself, it doesn’t tell you whether the business is actually profitable.

Cost of goods sold (COGS)

COGS is the direct cost of producing the product or service you sell. In other words, these are the costs that rise and fall based on how much you sell. Tracking COGS helps you understand if your pricing works and whether production costs are eating into profits.

COGS can include:

• Raw materials
• Direct labor costs
• Manufacturing overhead
• Shipping and freight costs

Gross profit

Gross profit is what you have left after covering COGS. It shows how efficiently you’re producing what you sell. Strong gross profit gives you room to pay for operating expenses, and still keep a profit at the end.

Formula:

Gross profit = Revenue - COGS

Operating expenses

Operating expenses are the costs of running your business that aren’t directly tied to producing your product or service.

Common operating expenses include:

• Rent and utilities
• Salaries and wages
• Marketing and advertising
• Insurance
• Office supplies
• Professional fees

Net income

Net income (also called net profit, or the “bottom line”) is what remains after all expenses, taxes, and costs are subtracted from revenue. Net income helps you understand whether the business is truly profitable, not just bringing in sales.

Cash flow terms

These terms help you understand whether your business has the cash it needs to pay bills, cover payroll, and grow with confidence.

Cash flow

Cash flow tracks the actual movement of money in and out of your business. When cash flow is positive, more money is coming in than going out.

You can be profitable on paper and still feel stressed if cash is coming in slowly or expenses hit all at once. Cash flow helps you see that reality clearly.

Operating cash flow

Operating cash flow measures the cash your business generates from core activities such as selling products or services and paying operating expenses, excluding financing and investment activity.

This shows whether your core business can sustain itself on its own operations, without relying on borrowing or outside funding.

Free cash flow

Free cash flow is the cash remaining from operations after subtracting capital expenditures such as equipment, vehicles, or property improvements. It’s the money you may be able to use for growth, debt repayment, or owner distributions.

Burn rate

Burn rate describes how quickly your business is spending cash over time. It’s especially common in startup conversations or in any business that’s investing heavily before it becomes consistently profitable.

Financial ratios and metrics

Financial statements tell you what happened. Ratios and metrics help you understand what it means. They’re a simple way to check profitability, cash strength, and risk without getting lost in the details.

Profit margin

Profit margin shows how much profit you keep from each dollar of revenue. It’s expressed as a percentage, which makes it easy to compare performance over time (even if sales go up or down).

Common types include:

Return on investment (ROI)

ROI measures how profitable an investment is compared to what it costs. ROI helps you decide what’s worth the spend, whether that’s a marketing campaign, new equipment, a hire, or a software upgrade.

Formula:

ROI = (Net profit / cost of investment) × 100

Liquidity ratios

Liquidity ratios show how easily your business can cover short-term bills and obligations. These ratios can help you spot a potential cash crunch early, before it turns into late payments or missed opportunities.

Common liquidity ratios include:

• Current ratio: Current assets / current liabilities
• Quick ratio: (Current assets - inventory) / current liabilities
• Cash ratio: Cash / current liabilities

Debt-to-equity ratio

The debt-to-equity ratio compares what your business owes (liabilities) to what it owns outright (equity). This ratio can influence loan approvals and terms, and it’s a helpful gut check on whether growth is being funded more by debt or by the value the business has built.

Formula:

Debt-to-equity ratio = Total liabilities / total equity

Tax-related keywords

Taxes get a lot less intimidating when you understand the few core terms that show up again and again. These keywords help you see how your tax bill is calculated and what you can do throughout the year to stay prepared.

Taxable income

Taxable income is the portion of your income that’s actually subject to tax after allowable deductions and exemptions. Your taxable income isn’t the same as your total sales (or even your total profit). It’s the number that your tax bill is based on.

Deductions

Tax deductions are eligible business expenses that can lower your taxable income. They can meaningfully reduce what you owe, but only if you track expenses consistently and keep good records.

Common deductions may include:

• Business travel
• Home office expenses
• Professional development
• Business meals (typically 50% deductible)
• Depreciation

Depreciation

Depreciation spreads the cost of certain business assets over their useful lives, rather than expensing the full cost all at once. Depreciation can impact both your reported profitability and your tax bill, especially if you buy equipment, vehicles, or other high-cost assets.

Common approaches include:

• Straight-line depreciation: Spreads the cost evenly over the asset’s useful life
• Declining balance depreciation: Higher expense early on, smaller expense later
• Section 179 deduction: May allow you to expense all or part of an asset sooner (depending on eligibility)

Estimated taxes

Estimated taxes are quarterly tax payments made by self-employed individuals and businesses that don’t have taxes withheld from income. Paying estimated taxes throughout the year can help you avoid a large bill (and potential penalties) at tax time.

Bookkeeping essentials

If you want financial reports you can trust, it starts with bookkeeping basics like these.

Double-entry bookkeeping

Double-entry bookkeeping records every transaction in at least two accounts. Debits and credits are recorded in a way that keeps the books balanced. This system helps catch errors early and makes your financial reports more accurate, especially as your business grows.

Accounts receivable (AR)

Accounts receivable (AR) is the money customers owe you for goods or services you’ve already delivered but haven’t been paid for yet.

AR can look like income on paper, but until it’s collected, it can’t cover payroll or expenses. Tracking AR helps protect your cash flow.

Accounts payable (AP)

Accounts payable (AP) is the money your business owes to suppliers and vendors for goods or services you’ve received.

AP affects your day-to-day cash planning. Knowing what’s coming due helps you pay on time without putting stress on your bank balance.

General ledger

The general ledger is the master record of your business’s financial activity. It organizes every transaction by account.

Chart of accounts

A chart of accounts is the organized list of all the accounts your business uses to track money in and money out. Most charts of accounts are grouped into five main categories:

• Assets
• Liabilities
• Equity
• Revenue
• Expenses

Budget and forecasting terms

Budgeting and forecasting help you stay ahead of your business, so you’re not just reacting to what happened last month.

Budget

A budget is a financial plan projecting income and expenses for a specific period, helping you allocate resources and control spending.

Variance

Variance measures the difference between budgeted and actual figures. It helps you spot where results are stronger or weaker than expected.

Financial forecast

A financial forecast is a projection of future financial performance based on historical data, trends, and assumptions. It helps you plan ahead for seasonal changes, hiring, inventory, and upcoming expenses, so you can make moves sooner rather than scrambling later.

Break-even point

Your break-even point is the point where your total revenue covers your total costs, meaning you’re not making a profit yet, but you’re no longer operating at a loss.

Formula:

Break-even point = Fixed costs / (Price per unit - variable cost per unit)

Working capital management

These terms help you understand how efficiently cash moves through your business.

Working capital

Working capital measures your short-term financial health and operational efficiency. It shows whether you have enough resources on hand to cover near-term obligations.

Formula:

Working capital = Current assets – current liabilities

Inventory turnover

Inventory turnover shows how many times you sell and replace inventory during a given period. It’s a quick way to check how efficiently you’re managing stock.

Formula:

Inventory turnover = COGS / average inventory

Days sales outstanding (DSO)

Days sales outstanding (DSO) measures the average number of days it takes to collect payment after a sale. DSO is one of the clearest indicators of cash flow health. The faster you collect, the easier it is to fund payroll, inventory, and growth without relying on credit.

Formula:

DSO = (Accounts receivable / total credit sales) x number of days

Investment and financing terms

When you’re thinking about buying equipment, upgrading tools, or taking on funding to grow, these terms usually pop up.

Capital expenditure (CapEx)

CapEx refers to money you spend to buy, improve, or upgrade long-term assets your business uses over time (e.g., equipment, property, or technology).

CapEx is usually a bigger, longer-term investment. It can help you grow or operate more efficiently, but it also affects cash flow and often gets spread out over time for accounting and tax purposes.

Operating expenditure (OpEx)

OpEx covers the day-to-day expenses required to run your business (e.g., rent, utilities, payroll, etc). These costs are typically fully deductible in the year they’re incurred.

Amortization

Amortization spreads the cost of certain expenses over time, most commonly the value of intangible assets.

In lending, amortization refers to paying off a loan through scheduled installments that cover both principal and interest over the loan term. The amortization of an asset or a loan shows how cost is spread across time rather than impacting your finances all at once.  

Interest rate

An interest rate is the percentage a lender charges you to borrow money, or the percentage you earn on deposits and investments.

Collateral

Collateral is an asset such as property, equipment, or inventory that you pledge to a lender as security for a loan. If you can’t repay the loan, the lender may have the right to seize the pledged asset to recover the outstanding balance. Not all loans require collateral. 

Performance indicators

Once you’ve got the basics down, performance indicators help you keep a pulse on how your business is doing without getting buried in spreadsheets.

Key performance indicators (KPIs)

Key performance indicators (KPIs) are measurable values that show how effectively your business is hitting its goals. The best KPIs are simple, consistent, and tied to decisions you can actually make.

Common financial KPIs include:

• Revenue growth rate
• Customer acquisition cost (CAC)
• Customer lifetime value (CLV)
• Gross profit margin
• Operating cash flow

Earnings before interest, taxes, depreciation, and amortization (EBITDA)

EBITDA is a way to look at operating performance by focusing on earnings from core operations, without the noise of financing choices or certain accounting methods.

EBITDA is typically used to compare businesses more evenly, especially when they have different debt levels, tax situations, or depreciation schedules.

Runway

Runway tells you how long your business can keep operating with the cash you have right now before you’d need additional funding.

Formula:

Runway = Current cash balance / monthly burn rate

Building your financial vocabulary

Mastering financial keywords is an ongoing process. Here's how to continue building your knowledge:

• Review your financial statements monthly and identify unfamiliar terms
• Ask your accountant to explain concepts you don't understand
• Take advantage of financial literacy resources and courses
• Practice using financial terms in business conversations
• Stay updated on changes to accounting standards and tax regulations

Financial literacy is useful for every business owner who wants to build something sustainable and profitable. When you understand these core financial keywords, you’re better prepared to manage cash flow and make informed decisions that support long-term growth.