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Net cash flow is the difference between the cash your business receives and the cash it pays out over a set period. You calculate it by subtracting your total cash outflows from your total cash inflows. If more cash came in than went out, your net cash flow is positive. If more went out than came in, it's negative.
Here's net cash flow at a glance:
Question | Answer |
|---|---|
Formula | Net cash flow = cash inflows minus cash outflows |
Positive result means | More cash came in than went out during the period |
Negative result means | More cash went out than came in during the period |
How often to check | Monthly for most businesses, weekly if cash is tight |
Does it equal profit | No, profit includes non cash items like depreciation |
What is net cash flow?
Net cash flow measures the movement of cash into and out of a business over a period of time, usually a month, quarter or year. To work it out, you add up all your cash inflows. This includes revenue from sales, interest income, and cash received from investments. Then you subtract all your cash outflows, such as expenses, payments to suppliers, taxes and interest payments.
A positive net cash flow shows the business generated more cash than it spent, which generally reflects a healthy financial position. A negative net cash flow can point to liquidity issues, though it isn't always a warning sign, as covered below. Net cash flow is one of the clearest ways to assess the financial health and sustainability of your business. It reflects your ability to meet obligations, invest in growth, and keep enough cash on hand to cover the unexpected.
How to calculate net cash flow
The formula to calculate net cash flow is straightforward:
Net Cash Flow = Cash Inflows − Cash Outflows
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Here's how that looks for a small retail business over one month:
Cash movement | Amount |
|---|---|
Sales revenue | £45,000 |
Loan drawdown | £5,000 |
Total cash inflows | £50,000 |
Supplier payments | £18,000 |
Wages | £12,000 |
Rent and utilities | £4,000 |
Loan repayment | £2,000 |
Tax payment | £3,000 |
Total cash outflows | £39,000 |
Net cash flow | £11,000 (positive) |
In this example, the business brought in £11,000 more cash than it spent that month, giving it a positive net cash flow.
Cash inflows
You can work out your cash inflows by listing all sources of cash coming into your business, such as:
Cash outflows
You can work out your cash outflows by listing all your expenses and payments, such as:
Why is net cash flow important?
Net cash flow gives you a clear, ongoing read on your business' financial health. By tracking inflows and outflows, you can see whether you can meet financial obligations, whether your cash reserves are being used well, and where operations need adjusting. It also supports better decision making. Net cash flow analysis helps you manage debt obligations and spot operational inefficiencies, so you can make sustainable choices that fit your wider business goals. Many businesses pair this with a cash flow projection to see where net cash flow is heading over the coming months, not just where it stands today.
What is good net cash flow?
A good net cash flow is generally a positive one, meaning your business brings in enough cash to cover all its expenses with room to spare. What counts as good will vary by business, but a consistently positive net cash flow suggests financial stability and enough reserve to invest in growth.
A negative net cash flow doesn't automatically mean trouble. Strategic investments, such as buying a new asset or launching a product, can cause a temporary dip while still setting the business up for long term success. The pattern matters more than any single month. If you want to look at cash generated purely from day to day trading, without financing or investing activity, operating cash flow is the more precise metric.
Pattern | What it usually means |
|---|---|
Consistently positive | Stable trading performance and healthy reserves |
Occasionally negative, tied to investment | Likely planned spending on growth, not a warning sign |
Consistently negative, no clear cause | Worth investigating cash collection, costs or pricing |
What is the difference between net cash flow and cash flow?
Cash flow and net cash flow both look at how a business moves and uses money, but they answer different questions.
Metric | What it measures | What it tells you |
|---|---|---|
Cash flow | All cash moving in and out, often broken down into operating, investing and financing activity | Where cash is coming from and where it's going |
Net cash flow | The overall change in cash position over a period | Whether the business ended the period with more or less cash than it started with |
In short, cash flow gives you the full picture of cash movements, while net cash flow focuses on how well the business is managing its cash overall.
Does net cash flow positive mean profit?
A positive net cash flow does not automatically mean the business is profitable. Net cash flow only measures the cash moving in and out during a period, while profit measures revenue minus expenses, including non cash items such as depreciation and amortisation.
A business can have positive cash flow while still operating at a loss, for example if it has sold assets or drawn down a loan. Equally, a profitable business can have negative net cash flow if customers are slow to pay or it has invested heavily in stock. The two metrics tell you different things, so it's worth tracking both.
How to improve your net cash flow
If you're working towards a positive net cash flow, start with the basics: manage expenses to reduce costs, and look for ways to increase revenue so more cash flows in.
Good credit control makes a real difference. Set clear payment terms, use an invoice template, and consider running a company credit check before extending credit to new customers. This helps you set realistic credit limits and reduces the risk of late or non paying customers denting your cash inflows. You can check company credit scores using your Capitalise account, just log in to get started.
It’s also important to be able to access cash reserves for emergencies. You can forecast your cash flow to anticipate any potential issues ahead of time. If you spot a cash flow gap, you could apply for a business loan, a cash flow loan, or a business credit card, which could help to cover costs and avoid negative net cash flow.
Get funding to cover a cash flow gap
At Capitalise, we work with over 130 business lenders to help you find the right funding solution for your business. You'll also have dedicated support from one of our expert funding specialists every step of the way. Apply today to explore your options and get started.
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