Last updated: November 2026
Working capital is the money available to run your business day to day: current assets (cash, receivables, inventory) minus current liabilities (payables, short-term debt, accrued bills). Cash flow is the timing of that money, when it actually comes in and goes out. A business can be profitable on paper and still run short of cash if customers pay in 60 days and payroll is due on Friday. A working capital ratio of about 1.2 to 2.0 is a common rule of thumb for a healthy cushion. This guide connects our articles on measuring working capital, reading the statements lenders ask for, managing receivables and forecasting, and choosing a way to fund a gap.
Why profitable businesses run short of cash
Most cash gaps come from timing, not losses. Growth is the classic cause: a bigger order means buying more inventory and paying more staff weeks before the customer pays. Slow-paying customers stretch the gap further, especially on net-30 or net-60 terms and on commercial jobs with retainage. Seasonal businesses earn most of their revenue in a few months but pay rent and payroll all year. And unplanned costs, such as an equipment failure or a large tax bill, can drain a cushion overnight. Measuring working capital, forecasting cash and managing receivables all help you see these gaps coming, which is the cheapest way to fund them.
Working capital: the formula and how much you need
The formula is current assets minus current liabilities. A positive number means you can meet near-term bills from near-term assets; a negative one signals a crunch. How much you need depends on your cash cycle: how long inventory sits and how long customers take to pay, compared with how long you take to pay suppliers. Small business working capital covers the formula, how much a small business needs, funding options compared and ways to improve working capital without borrowing. Net working capital formula goes deeper on the components, with worked examples and what lenders read into the result.
Net revenue: the top line lenders check
Net revenue is gross revenue minus returns, allowances and discounts. A business with $100,000 in gross sales, $4,000 in returns, $2,000 in allowances and $2,000 in discounts has $92,000 in net revenue. It is still a top-line number, before cost of goods sold, expenses, interest and taxes, so it is not profit. Net revenue formula explains each term, what to include and exclude (commissions, card fees, sales tax, rebates) and why the gap between gross and net matters for financing, with a calculator in the post.
Business finance basics
Business finance comes down to three decisions: what to invest in, where the money comes from (owners, lenders or investors), and how to manage cash, receivables, inventory and bills day to day. What is business finance? defines the functions and types of business finance, the key metrics and how a small business can manage them.
The financial statements lenders read
A balance sheet shows what the business owns, owes and the owners' stake on one date. An income statement shows revenue, expenses and profit or loss over a period. Net income links the two by flowing into equity. Balance sheet vs. income statement compares them side by side with a hypothetical example and explains which one lenders focus on. How to prepare financial statements walks through building an income statement, balance sheet and cash flow statement step by step, and reviewing them the way a lender would.
| Document | What it shows | Why a lender asks for it |
|---|---|---|
| Balance sheet | Assets, liabilities and equity on one date | Working capital, leverage and net worth |
| Income statement | Revenue, expenses and profit over a period | Profitability and trends |
| Cash flow statement | Cash in and out from operations, investing and financing | Whether profit turns into cash |
| Business tax return | Income and deductions reported to the IRS | Independent check on the numbers |
| Bank statements | Actual deposits and balances | Real cash flow, especially for revenue-based products |
| Debt schedule | Every outstanding loan, balance and payment | Capacity for new payments |
Business tax returns
Which return you file depends on your structure: sole proprietors use Schedule C with Form 1040, partnerships file Form 1065, S corporations file Form 1120-S and C corporations file Form 1120. For calendar-year 2025 returns, partnerships and S corporations were due March 16, 2026, and C corporations and sole proprietors April 15, 2026. What is a business tax return? covers the forms, due dates, recent tax law changes and how to get returns lender-ready.
Forecasting cash and tracking debt
A cash flow forecast estimates the money coming in and going out over a period, so you can spot a shortfall weeks before it happens rather than on payday. What is cash flow forecasting? explains direct and indirect methods and how to build a simple 12-week forecast. Alongside it, a business debt schedule lists every loan, line and advance with its balance, rate, payment and maturity, one of the first documents a lender asks for.
Receivables: turning invoices into cash
An outstanding invoice has been sent but not yet paid; it becomes overdue once the due date passes. Outstanding invoice meaning covers the difference, how unpaid invoices show up in your books and a playbook for collecting faster. When customers are slow but reliable, receivables can fund the gap. Invoice factoring explains selling invoices to a factor, recourse vs. non-recourse and how costs work, and what is accounts receivable financing? summarizes the broader category, where approval leans on your customers' credit as much as yours.
Funding a working capital gap
When the gap is temporary, the usual tools are a business line of credit, a short-term or SBA loan, invoice factoring or a merchant cash advance. Cash flow loans explains financing approved mainly on your revenue pattern rather than collateral, and how lenders evaluate it. For the bigger picture, sources of capital groups the options into internal capital, debt and equity and compares 10 common sources, and small business funding options compares the main products on speed, cost and what lenders look at. The simple rule from both: use the cheapest option you can qualify for in time, and match the term of the money to the life of what it pays for.
Comparing options with FSE
FSE is an independent business funding brokerage that works with a panel of lending partners. One application shows which working capital options you qualify for. To be considered, a business generally needs at least 1 year in business and $10,000 or more in monthly revenue.
Frequently asked questions
What is a good working capital ratio?
About 1.2 to 2.0 is a common rule of thumb. Much lower can mean trouble paying near-term bills; much higher can mean cash or inventory sitting idle.
Is net revenue the same as profit?
No. Net revenue is sales after returns, allowances and discounts. Profit comes after cost of goods sold, operating expenses, interest and taxes.
Which financial statements do lenders want?
Usually recent bank statements, an income statement and balance sheet, business tax returns and a debt schedule. Revenue-based products lean most on bank statements.
How can I improve working capital without borrowing?
Invoice promptly and follow up on late payers, negotiate longer supplier terms, cut slow-moving inventory and forecast cash weekly so you see gaps early.
Need to cover a cash gap? Apply now and compare offers from FSE's lending partners.
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