Key takeaways
- Net cash flow = cash in − cash out for a period. Ending cash = starting cash + net cash flow.
- Cash flow is split into operating, investing and financing activities.
- A profitable business can still run out of cash if clients pay late or money is tied up in equipment.
- Untracked receipts make cash flow look better on paper than it is in the bank.
What is cash flow?
Cash flow is the simplest money question a business can ask: did more come in than went out? It counts only real money moving, not invoices you sent or bills you received but haven’t paid.
For freelancers and small businesses, cash flow is often more urgent than profit. Rent, software and card bills are due on fixed dates. Client payments arrive when they arrive. Cash flow is the gap between the two.
See where your cash goes by tracking every expense with the Manage Receipt app.
Types of cash flow
Cash from running the business: client payments in; supplies, rent, software and taxes out.
Buying or selling long-term assets, such as a laptop, vehicle or equipment.
Loans taken or repaid, owner contributions and owner draws.
A simple cash flow calculation
The formula is: net cash flow = cash in − cash out. Here’s how missing receipts change the picture.
A freelance developer starts September with $6,000 in the business account. Their records show:
| Item | Type | Amount |
|---|---|---|
| Client payments received | Operating | +$7,500 |
| Recorded business expenses | Operating | −$2,900 |
| New laptop | Investing | −$1,400 |
| Owner draw | Financing | −$3,000 |
| Net cash flow (on paper) | +$200 |
Expected ending cash: $6,000 + $200 = $6,200. But the bank shows $5,820. The difference is $380 of card purchases whose receipts were never recorded: a client lunch, a software renewal and some supplies.
With them included, operating outflows are $3,280, so net cash flow is $7,500 − $3,280 − $1,400 − $3,000 = −$180. The month went from “slightly positive” to “slightly negative.” Missing receipts didn’t just cost a tax deduction; they hid a cash problem.
Cash flow vs profit
| Cash flow | Profit | |
|---|---|---|
| Measures | Money that actually moved | Income earned minus expenses incurred |
| Unpaid client invoice | Not counted until paid | Counted when earned (accrual basis) |
| $1,400 laptop | Full $1,400 out today | May be spread over years as depreciation |
| Owner draw | Reduces cash | Not an expense |
| Answers | Can I pay my bills? | Is the business making money? |
A business can show strong net income on its profit and loss statement and still struggle to pay rent if clients pay in 60 days. The reverse can happen too. Whether the two numbers are close depends partly on your accounting method.
How to improve cash flow
- Invoice the day work is done, with clear payment terms.
- Ask for deposits on larger projects.
- Pay bills on their due date, not early, unless there’s a discount.
- Cancel unused subscriptions; check card statements for forgotten renewals.
- Record every receipt so your numbers match the bank.
- Keep a cash reserve of one to three months of fixed costs.
- Set aside taxes from each payment so quarterly bills aren’t a surprise.
See where your cash went, as it goes
Scan or forward receipts to Manage Receipt as you spend, and your category reports stay current instead of waiting for month end. Bill reminders help you plan for upcoming payments, so fewer outflows catch you off guard.
Explore AI Expense ReportsFrequently asked questions
What is the difference between cash flow and profit?
Cash flow counts money that actually came in and went out. Profit is income earned minus expenses incurred, which can include unpaid invoices and spread asset costs over years. A profitable business can run short of cash if clients pay late, so you need to watch both.
How do I calculate cash flow?
Add up all cash received in a period, then subtract all cash paid out, including asset purchases, loan payments and owner draws. The result is net cash flow. Add it to your starting cash balance to get ending cash, which should match your bank balance.
Is negative cash flow always bad?
Not always. A month with a large equipment purchase or tax payment can be negative while the business stays healthy. Repeated negative operating cash flow is the warning sign, because it means day-to-day work is not bringing in enough cash to cover running costs.
What is a cash flow forecast?
A cash flow forecast estimates money coming in and going out over the next weeks or months. Use expected client payments and known bills, including quarterly taxes and annual renewals. It shows tight months in advance so you can delay purchases, chase invoices or build a reserve.