Runway and burn rate: what your chart hides

Runway is the only number that ends companies outright. Growth can slow and you recover. Margin can dip and you fix it. Cash hits zero and the story is over. Most Indian consumer brands measure runway badly, not because founders are careless, but because the standard formula was built for software businesses that never buy stock.

Gross burn, net burn, and the number you manage

Gross burn is total cash out in a month. Salaries, rent, ad spend, freight, packaging, inventory payments, taxes, everything. Net burn is gross burn minus cash collected in the same month. Runway is closing cash divided by net burn.

Founders quote net burn because it is the smaller number. Boards ask for gross burn because it tells you what the business costs to run before a single rupee arrives. Track both. If gross burn is 1.8 crore a month and net burn is 40 lakh, you are one delayed marketplace settlement away from a very different chart.

Use a trailing three month average, never last month alone. Single months in Indian consumer are distorted by festive spikes, quarterly ad commitments and one off vendor payments. A brand with 3 crore in the bank and 40 lakh average net burn does not have seven and a half months of runway. It has seven and a half months if nothing moves, and something always moves.

Why inventory makes a D2C burn chart lie

This is the part software burn models get wrong for consumer brands. An inventory purchase is cash out today and revenue three to five months later. It is not an expense in your profit and loss when you pay for it. It sits on the balance sheet as stock, and it only becomes cost of goods sold when the unit ships.

So a brand can post a healthy contribution margin, show a modest accounting loss, and still be burning heavily. The gap is working capital. You paid the contract manufacturer, the goods are on a rack in Bhiwandi, and your money is inside those cartons.

Fix it by splitting burn into two lines in every internal report and every board pack:

• Operating burn: what the business loses running normally, excluding stock purchases.
• Working capital movement: net change in inventory, receivables and payables.

Now a spike is readable. A 90 lakh burn month that was 30 lakh operating and 60 lakh of festive stock build is a decision you made. The same 90 lakh with no stock build is a problem you have not yet diagnosed. One slide that separates these two lines saves an hour of argument every quarter.

Two further distortions are worth naming. Marketplace settlements land on cycles that vary by platform and fulfilment mode, so a quarter end can flatter or punish you by a fortnight for reasons that have nothing to do with trading. And quick commerce and modern trade credit terms mean recorded revenue and banked cash can sit 30 to 60 days apart.

What each runway band should trigger

Decide the triggers in advance, in writing, while nobody is panicking. Write them into your operating cadence so they fire automatically.

• Above 18 months: invest. Hire ahead of need, test new channels, build stock depth for the festive cycle.
• 12 to 18 months: start the raise. Indian consumer rounds take four to six months from first meeting to money in the bank, longer with a foreign investor in the structure.
• 9 to 12 months: freeze net new headcount and any spend with a payback beyond six months. Keep growing, stop expanding.
• 6 to 9 months: run the downside case. Cut to a plan that reaches 15 months of runway on current cash alone.
• Under 6 months: you are negotiating from weakness and every term sheet knows it. Bridge, cut hard, or both.

The trigger reads off trailing three month net burn, not the improved number you hope to hit next quarter. Hope is not a trigger.

Levers ranked by how fast they release cash

When runway is short, speed matters more than size. Ranked by time to cash:

• Performance marketing cuts. Same week. Also the fastest way to shrink revenue, so cut by payback period, not by channel label.
• Stopping open inventory purchase orders. Days to weeks. Usually the largest single lever in a consumer brand, and the one founders delay longest.
• Liquidating slow moving stock. Two to eight weeks. Recovers cash at a loss, which is still cash.
• Supplier terms. 30 to 60 days to negotiate, then permanent. Moving your top three vendors from advance payment to 30 day credit frees a full cycle of stock value.
• Receivables discipline, plus invoice discounting against marketplace receivables. Four to eight weeks to set up, then it runs.
• Headcount. Slow and painful. Notice periods and severance go out before anything is saved. Real, but do it once and properly rather than in three small slices.

Rent renegotiation, insurance and audit fees look attractive on a spreadsheet and move almost nothing.

A downside case you would actually execute

Most downside cases are theatre. They hold revenue flat instead of falling, and they list cuts nobody has agreed to. Build one that survives contact with a bad quarter.

Model revenue 25 to 30 percent below plan, not flat. Assume the raise slips by one quarter. Then list every cut with a named owner, a rupee value and the date it takes effect. If a line has no owner it is not a cut, it is a wish.

Check that the cut plan still leaves an investable company. Cutting to bare survival at zero growth makes the next round harder, not easier. The target is a smaller version of the business that can still show clean contribution margin and 15 months of runway on existing cash.

Then rehearse it. Put the downside case in the board pack once a quarter with a single line of status: not triggered, or triggered on this date. Founders who wrote the plan in advance act within a week. Founders who did not spend that week arguing about whether things are really that bad.