Free Cash Flow: How It Is Built From the Statements and What It Signals

Free cash flow is the cash a business actually generates after paying for what it needs to keep running: cash from operations, less the money spent on plant and equipment, less the extra cash tied up as working capital grows. Free cash flow differs from profit because profit counts non-cash charges and ignores capital spending. The number signals what a business could pay out or reinvest without borrowing.

Profit is an opinion about the year. Cash is what is in the bank. Free cash flow is the cash left after the business has fed itself, and feeding itself is not optional: machines wear out and have to be replaced, and a business that sells more has to carry more stock and wait longer to be paid. Both of those swallow cash that never appears as a cost in the profit statement. Free cash flow is built from three plain lines, bridged back to reported profit rupee for rupee, and split between the capital spending a business can skip and the spending it cannot.

What is free cash flow, in plain words?

Start outside an office, at a stationery shop next to a school. Over a year the shop takes in Rs 6,00,000 more cash from customers than it pays out to its suppliers and staff. The owner would like to think of that Rs 6,00,000 as hers. The money is not hers yet, and two things get in the way before she can spend a rupee of it.

The first is the photocopier. The old one is on its last legs and a new one costs Rs 1,10,000. She does not want it, she is not expanding because of it, and the shop cannot trade without it. The second is the school season. Every June the school buys in bulk on thirty days of credit, and to serve that order she has to stock up in May. Between last May and this May the money sitting in stock and in unpaid school bills went up by Rs 90,000. The Rs 90,000 is real, it is hers, and it is not available: the money sits inside the shop, in the form of paper on shelves and an invoice nobody has paid yet.

Free cash flow is what is left after both of those claims have been met: Rs 6,00,000 less Rs 1,10,000 less Rs 90,000, or Rs 4,00,000. That Rs 4,00,000 is the number that decides what the shop can actually do next: repay the loan, pay the owner, or open a second counter. Every other figure the shop produces is a description of the year. Free cash flow is a description of the choices the shop now has.

How is free cash flow built, in the simplest honest version?

Now put the shop's three lines into the language a business uses. The first line is the operating cash the year threw off. The simplest honest stand-in for it is EBITDAEarnings before interest, tax, depreciation and amortisation. The operating profit of the year with the non-cash charges added back, used as a rough stand-in for operating cash., short for earnings before interest, tax, depreciation and amortisation: the operating profit with the non-cash charges added back. The second line is capital expenditureMoney spent buying or replacing long-lived assets such as machines, buildings and vehicles. Usually shortened to capex., the money that actually left the bank this year for plant and machinery. The third line is the increase in working capitalThe cash locked inside day to day trading: money owed by customers plus stock held, less money owed to suppliers., the extra cash swallowed by receivables and stock net of what suppliers are funding.

Free cash flow, in its simplest honest form, is EBITDA less capital expenditure less the increase in working capital, and every one of those three numbers is a cash number. Notice what that build is doing. The build starts from a profit measure with the non-cash chargesCosts deducted in the profit statement that did not involve any money leaving the bank this year, such as depreciation and amortisation. already stripped out. Those charges cost the year no money. The build then puts back the one cash cost the profit statement left out entirely, the money actually spent on the plant. And it charges the year for the cash that trading swallowed but that no cost line ever recorded.

Two honest labels have to travel with this version. The figure is before tax. Tax paid in cash rarely matches the tax charged in the accounts, and matching them properly is a job of its own. And it is before interest, so it describes the cash the business generated for everyone who funded it, the bank as well as the shareholders, before deciding who gets what. Both labels belong beside the figure, in the write-up or in the model, every time. Without a stated basis, a reader cannot tell what has already been taken out, so a free cash flow figure with no basis is not a figure at all.

Why does free cash flow differ from profit?

Here is the sentence worth memorising. Profit counts costs that took no cash and ignores cash that took no cost. Depreciation and amortisation are the first half: Sohan Ply charged Rs 4,00,00,000 against this year's profit for wear on the plant and for a purchased brand licence, and not one rupee of that left the bank. Capital spending is the second half: Rs 5,50,00,000 left the bank for plant this year and no line in the profit statement shows it. The rise in working capital is the second half again, in another form: Rs 2,00,00,000 went into stock and unpaid customer bills, and again no cost line records it.

Profit and free cash flow differ because they are answering different questions: profit asks how the year went, and free cash flow asks what the year left behind. Neither is the honest one and the other the dishonest one. The cash goes out today, so a business that only watched cash would refuse to buy a machine that pays for itself in three years. A business that only watched profit would be surprised, every single year, that the bank balance does not match the bottom line.

The two are close this year, Rs 12,50,00,000 against Rs 13,50,00,000, and that closeness is a coincidence that should not be trusted. The closeness happens because the non-cash charges added back, Rs 4,00,00,000, plus the interest added back, Rs 4,50,00,000, happen to be roughly matched by the capital spending and working capital taken out, Rs 7,50,00,000 together. Change any one of those and the two numbers pull apart at once. In a year when Sohan Ply is building a second press and stocking a new laminate range, capital spending and working capital both jump while profit barely moves, and free cash flow can go negative while the profit statement still reports a good year.

A bridge that ties out to the rupee cannot be argued with, so bridging is the way to hold on to the difference. Start at profit before tax. Add back what did not cost cash. This version of free cash flow is stated before interest, so add the interest back. Then take out the two cash costs the profit statement never saw. The bridge lands on the free cash flow figure, and every step is a number that can be pointed at in the accounts.

What does capital spending do to free cash flow, and why does maintenance matter?

Capital spending is the line people cut when they want the number to look better, and that habit is exactly why it deserves the closest reading of any line in the build. Split it in two and the reason becomes obvious. Maintenance capital expenditureThe part of capital spending needed only to keep the existing operation running at its current size: replacing worn machines, reroofing, renewing tooling. is what a business must spend to stay exactly where it is: replacing the worn press, reroofing the shed, renewing the tooling. Growth capital expenditure is what it spends to become bigger: the second press, the new laminate line, the extra warehouse.

Growth capital spending is a choice and maintenance capital spending is not, and free cash flow deducts both because both are cash that genuinely left the bank. Ritu Chandran, the finance head at Sohan Ply, puts this year's Rs 5,50,00,000 at Rs 3,20,00,000 of maintenance and Rs 2,30,00,000 of growth. The split between maintenance and growth is her judgement, not a line in any statement, and it is the single most useful judgement anyone makes about this number. The split shows that if Sohan Ply stopped growing tomorrow, its free cash flow would rise by Rs 2,30,00,000 and stay risen. The other Rs 3,20,00,000 is not available, whatever anybody wishes.

Cutting the maintenance half anyway is the most common way a free cash flow figure lies without a single wrong entry, so watch what happens. Suppose Sohan Ply drops capital spending to Rs 1,20,00,000 a year for three years. Free cash flow jumps from Rs 13,50,00,000 to Rs 17,80,00,000 and stays there, three years running, and every chart looks excellent. But Rs 2,00,00,000 a year of necessary maintenance has simply not happened, so by year four Rs 6,00,00,000 of work is queued up on top of the normal Rs 5,50,00,000. Capital spending in year four is Rs 11,50,00,000 and free cash flow collapses to Rs 7,50,00,000.

Read the four years together and the arithmetic separates the real saving from the borrowed one: of the Rs 12,90,00,000 gained across three years, Rs 6,90,00,000 was growth genuinely given up and Rs 6,00,00,000 was maintenance borrowed from year four and repaid in full. This is why anyone serious about the number looks at capital spending over several years next to depreciation, and why a single year of unusually strong free cash flow is a question rather than an answer. In practice the catch-up costs more than the deferral saved. Rushed work is dearer, and a press that fails mid-order costs output as well as repair.

What does free cash flow signal, and what does it not?

Free cash flow signals capacity. A business with free cash flow has room to do things that need money and cannot be done with an accounting entry: repay a loan, pay a dividend, buy a competitor, survive a bad quarter, fund the next expansion without asking anyone for permission. Funding growth without asking permission is why the number is watched so closely. A business funding its own growth is negotiating from a different position than one that must return to a bank or a shareholder each time it wants to grow. Free cash flow is also stubborn in a useful way. Profit can be moved between years by judgement on stock values, provisions and revenue timing; cash that has not arrived cannot be made to look as though it has.

A high figure and a bad year look identical from outside, so free cash flow does not signal quality on its own. Consider an invented competitor, Kamal Laminates, reporting free cash flow of Rs 13,50,00,000 in the same year as Sohan Ply. Identical number, entirely different business. Kamal Laminates produced only Rs 12,00,00,000 of operating cash, spent Rs 1,50,00,000 on plant against a much larger depreciation charge, and released Rs 3,00,00,000 by pushing customers to pay faster and running its stock down. Two of those three moves cannot be repeated next year, and the third is starving the plant. Sohan Ply reached the same figure by generating Rs 21,00,00,000 and investing Rs 5,50,00,000 back.

So the number is a question opener, not a verdict. Three follow-up questions do most of the work. How much of the capital spending was maintenance? How much of the working capital movement was a release that can only happen once? And is this year's figure in line with the last three, or is it the odd one out? Read that way, free cash flow is one of the most useful numbers a set of accounts produces. Read as a score, it is one of the easiest to dress up.

One more trap sits on the other side. A negative free cash flow is not automatically bad news. A business building a plant that will run for twenty years spends the cash in one year and collects the benefit across the next twenty, so free cash flow is negative in the building year by construction. The question is never whether the number is negative. The question is whether the spending that made it negative is the kind that pays for itself, and whether the business has the funding to reach the far side.

What is Sohan Ply's free cash flow this year?

Sohan Ply and Boards Private Limited makes plywood and laminates from one plant and sells Rs 1,80,00,00,000 a year. Operating profit before depreciation and amortisation is Rs 21,00,00,000. Depreciation and amortisation take Rs 4,00,00,000 and interest takes Rs 4,50,00,000, leaving profit before tax of Rs 12,50,00,000. Working capital, receivables of Rs 30,00,00,000 plus inventory of Rs 27,00,00,000 less payables of Rs 21,00,00,000, stands at Rs 36,00,00,000 against Rs 34,00,00,000 a year ago. Capital spending was Rs 5,50,00,000.

Sohan Ply's free cash flow this year, simplified and stated before tax and before interest, is Rs 21,00,00,000 less Rs 5,50,00,000 less Rs 2,00,00,000, or Rs 13,50,00,000. That is 7.5 per cent of revenue and about 64 per cent of the operating cash the year produced, and the remaining 36 per cent went straight back into the plant and into the trading cycle. Take out the Rs 4,50,00,000 of interest and Rs 9,00,00,000 is what the year left for the people who bought the shares, before tax. Set that against the cash actually in the bank, Rs 4,00,00,000, and it becomes clear how much of the year's cash has already been used.

How do a lender, a sponsor and a household actually read this number?

A lender reads free cash flow as the answer to one question: can this business pay me? Sohan Ply's bank holds a term loan of Rs 40,00,00,000 secured on the plant and a working capital line of Rs 15,00,00,000 secured on inventory and receivables. The interest bill is Rs 4,50,00,000, and free cash flow of Rs 13,50,00,000 covers it three times over. The Rs 9,00,00,000 left after interest matters more to the bank, and only that money can go towards debt serviceThe cash a borrower must hand over in a period to stay current on a loan: the interest due plus any principal instalment falling due. on the principal. A lender who only looked at profit before tax of Rs 12,50,00,000 would be reading a number from which no plant has yet been paid for.

Deodar Growth Partners, the invented sponsor weighing a 20 per cent stake, reads it as the thing being bought. Sohan Malhotra can point at profit, and Ritu Chandran can point at profit, but what a buyer of shares eventually receives is cash the business did not have to spend on itself. Deodar's people will therefore spend most of their time on two questions: how much of the Rs 5,50,00,000 is maintenance, and how much would working capital swallow if revenue grew 20 per cent. Their stated hurdle of 18 per cent is applied to cash, not to profit.

Every practitioner is asking the same thing in their own words: how much of what this business earned is genuinely available, and how much has already been spoken for. An analyst turns it into a ratio, cash conversionFree cash flow measured as a share of operating cash or of profit. The ratio shows how much of what a business earned survived as spendable cash., which for Sohan Ply is Rs 13,50,00,000 over Rs 21,00,00,000, about 64 per cent, and then watches whether that share holds up over three or four years. A household does the same arithmetic without the vocabulary. Take-home pay is the operating cash. The scooter that must be replaced and the roof that must be fixed are maintenance. The month the school fee and the wedding both land is the working capital increase. The money that survives all of it is discretionaryAvailable to spend or save at the holder's choice, because no fixed obligation has a claim on it., and that is the household's free cash flow, whatever the salary slip says.

Sohan Ply and Boards Private Limited, Kamal Laminates, Deodar Growth Partners, Sohan Malhotra, Ritu Chandran and the stationery shop are invented.
Educational material. Not advice on any investment, tax, budget or market position.