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My P and L shows a profit. Why is there no cash in the bank?

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Cash Conversion Cycle
—
days between paying out and being paid

A profitable business runs out of cash more often than a loss-making one, because growth consumes working capital before it produces profit. This model shows exactly where the money is sitting.

By Aditya GuptaAccounting & Finance EducatorLast reviewed August 22, 2026Source: MCA accounting standards

Profit Is an Opinion, Cash Is a Fact

Accrual accounting records a sale when the invoice is raised, not when the money arrives. That is the correct way to measure performance and a terrible way to measure solvency. A business that invoices ₹1 crore in March and collects it in July has earned the profit in March and has the cash in July, and the gap between those two dates is where businesses fail.

Three timing gaps stack up. Money leaves when you buy stock and sits there until it sells. It leaves again in wages and rent every month regardless. It comes back only when the customer chooses to pay, which for most Indian business-to-business relationships is somewhere between 45 and 90 days after the invoice. The only offset is what your own suppliers let you delay.

The net of those three is the cash conversion cycle, and it is the number that decides how much cash a given level of revenue permanently ties up. Worse, that requirement grows in exact proportion to revenue, which is why the cash position often gets tighter in the year a business grows fastest. The model below puts a rupee figure on all of it.

Working Capital Model

Cash Conversion Cycle—
Working Capital Locked Up—
Accounting Profit for the Year—
Cash Absorbed by Growth—
Cash Actually Generated—
Cash you keep: —Cash the cycle absorbs: —
Adjust the inputs above.

What the Cycle Is Costing You

The working capital locked up figure is money you have earned and cannot use. It is not a loss and it does not appear on the profit and loss account at all, which is exactly why it surprises people. It sits on the balance sheet as receivables and inventory, and it has to be funded by something: your own capital, a working capital limit, or the delayed payment of your own suppliers.

The cash absorbed by growth line is the one that catches profitable businesses. Because working capital scales with revenue, growing 25 percent means finding 25 percent more working capital, and that money is needed before the additional profit arrives. A business growing quickly on thin margins can be cash negative every single year while being profitable every single year.

The most effective lever is almost always receivable days, not margin. Ten days off your collection cycle releases roughly ten days of revenue in cash, immediately and permanently, and it requires no price increase, no cost cut and no customer to accept anything except an invoice sent on time and followed up. Chasing the same amount through margin usually means a conversation the customer will resist.

What Changes the Answer

Whether the growth is funded before it happens

A business does not need cash when the profit arrives; it needs it when the order does. Stock must be bought and staff paid before the customer pays. Any growth plan without a matching funding plan is a cash flow crisis with a delay built in.

Customer concentration

If one customer is 40 percent of revenue, their payment behaviour is your payment behaviour. A single large client extending from 45 to 90 days can consume an entire year of profit in working capital, and there is usually very little negotiating room.

Advance payments and milestone billing

The fastest structural fix is to change when you invoice, not how fast you chase. An advance, a deposit or milestone billing moves cash to the front of the project. Many businesses never ask, and a surprising share of customers agree when asked at the point of order.

GST paid on invoices not yet collected

Under GST, output tax is generally payable by the return due date for the month of supply, whether or not the customer has paid. On a 75 day collection cycle you are funding the government’s share of a sale for over two months before receiving any of it, which is a real and often unbudgeted cash cost.

How We Calculated This

Receivables measured on revenue, inventory and payables on cost of goods
Cash conversion cycle is receivable plus inventory less payable days
Working capital scales in direct proportion to revenue
Growth absorbs working capital equal to the growth rate applied to it
No capital expenditure, loan repayment or tax outflow is modelled
Figures are annual and assume an even spread through the year

The Decision Framework

1
Measure the cycle before you chase the margin
Compute receivable, inventory and payable days from your own books. Most owners can quote their margin instantly and have never calculated their cycle, which is the number actually consuming the cash.
2
Attack collections first
Days off the receivable cycle release cash immediately, permanently and without a price negotiation. Invoice on the day of delivery, make the terms explicit, and follow up on a schedule rather than when the cash gets tight.
3
Fund growth before you accept it
Work out the working capital a larger order or a new client will consume and arrange the funding first. A large order accepted without that arithmetic is the most common way a healthy business becomes insolvent.
4
Use a working capital facility for the cycle, not a term loan
A cash credit or overdraft limit is designed to fluctuate with the cycle and is the correct instrument. Funding a permanent working capital gap with short-term borrowings that must be repaid in fixed instalments creates a second timing mismatch on top of the first.

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Cash Flow Calculator→Break-Even Calculator→Profit vs Cash Flow→Profit Margin Calculator→

Frequently Asked Questions

What is a good cash conversion cycle?+
It is entirely industry dependent, so the only meaningful benchmark is your own trend and your closest competitors. A retailer selling for cash with supplier credit can run a negative cycle, meaning customers fund the business. A manufacturer selling on 90 day terms may run 120 days or more. What matters is whether the number is falling or rising over time.
Should I offer an early payment discount?+
Only after doing the arithmetic. A 2 percent discount for payment 30 days early is an annualised cost of roughly 24 percent, which is far more expensive than almost any working capital facility. It is worth it only if you have no access to credit at all, or if the alternative is a genuine liquidity crisis.
Why does my cash position get worse when sales grow?+
Because working capital scales with revenue and arrives before the profit does. Growing 30 percent requires roughly 30 percent more cash tied up in receivables and stock, and that money must be found before the additional sales are collected. This is why fast growth on thin margins is more dangerous than slow growth on fat ones.
Is inventory really the same as cash?+
It is cash that has been converted into a form you cannot spend, and it may be worth less than you paid. Slow-moving stock also carries storage cost, obsolescence risk and, in some cases, a write-down. Inventory days are the least visible part of the cycle and often the easiest to reduce once measured.
Does GST make the cash gap worse?+
Yes, materially. Output tax is generally payable by the return due date for the month of supply regardless of whether the customer has paid, so on long collection cycles you are funding the tax on a sale months before receiving the money. Input tax credit on your own purchases offsets part of it, but the timing rarely lines up.
Should I use a term loan or an overdraft for working capital?+
An overdraft or cash credit facility, because it flexes with the cycle and you pay interest only on what you use. A term loan repaid in fixed instalments does not match a fluctuating requirement, and using one to cover a permanent working capital gap creates a second mismatch alongside the first.

Sources and Method References

Understand This

The concept behind the number

This scenario gives you a figure. These pages give you the idea it comes from, the words on the inputs, and the article that works through the decision.

LearnAccountingThe concept map this scenario sits inside.GlossaryAccounting and RatiosEvery term on this page, defined in full.Article13-Week Cash Flow ForecastFinding the specific week the bank balance goes short.ArticleWhen a Customer Does Not PayThe escalation ladder, the MSME route and the tax lever.ArticleGST Input Tax Credit RulesThe four conditions that decide whether a claim survives.
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