--- title: "Burn Rate & Runway: How to Calculate Them — and Forecast What Happens Next" description: Gross vs. net burn, how to calculate runway honestly, and how to forecast it with a rolling 13-week cash view — the math that actually runs a startup. image: https://blog.ursaconsultants.com/hubfs/01-burn-rate-and-runway-pillar.png --- 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# Burn Rate & Runway: How to Calculate Them — *and Forecast What Happens Next* Gross vs. net burn, how to calculate runway honestly, and how to build a forecast off your actual financials — the version of the math that actually runs a company. **Ursa Consultants**Startup Finance9 min read The short answer Gross burn is all the cash going out each month. Net burn is cash out minus cash in — that's the one that sets your runway. Runway is cash on hand ÷ net burn: the months you have left at today's pace. Both are snapshots, and snapshots lie as soon as you hire. The version that actually runs a company is a forecast built from your own financials — a rolling 13-week cash view for the near term, and a driver-based model that runs three-plus years out for the raise, even though the next four to six quarters are the part you'll actually use week to week. The vocabulary ## Burn rate: gross vs. net Gross burn is total cash out the door in a month — payroll, rent, software, contractors, everything. Net burn is gross burn offset by the cash you actually collected — collected, not invoiced, because an invoice you sent doesn't slow the burn. Gross burn tells you how expensive the company is to run; net burn tells you how fast you're losing money. ### Gross burn Total cash out the door each month. The number that doesn't move when revenue has a bad quarter — your measure of how expensive the company is to run. Watch it ### Net burn Cash out minus cash actually collected. Sets your runway, and it's the number an investor means when they ask about burn. Quote this one Quote net burn. It's the one that sets the runway, and it's the one an investor means when they ask. But keep an eye on gross burn too, because it's the number that doesn't move when revenue has a bad quarter — and a business whose runway depends entirely on collections landing on time is more fragile than its net burn suggests. One discipline that saves a lot of confusion: calculate burn from cash movement, not from your P&L. Net loss and net burn are different numbers, and the difference — deferred revenue collected up front, an annual prepayment, a big receivable that hasn't landed — is exactly the part that determines whether you make payroll. The math ## Runway: the simple math, and the three ways it lies The runway equation Runway = Cash on hand ÷ Net monthly burn $1,200,000  ÷  $100,000 / month  =  **12 months of runway** That's the calculation. Here's where it goes wrong: 1. **It assumes today's burn is tomorrow's burn.** It isn't. Two hires you've already signed offers for, an annual insurance policy that renews next month, a customer renewal that lands in Q3, a marketing test you're about to scale — none of that is in a static number, and all of it is already decided. 2. **It treats all cash as available cash.** Restricted cash, a security deposit, undrawn debt, and money you owe in payroll taxes next week aren't runway. Neither is a receivable, no matter how confident you are about it. 3. **It averages away the timing.** Cash doesn't leave in twelve even monthly slices. Annual renewals, tax payments, and commission cycles cluster — and the month they cluster in is the month you find out. Two fixes, both cheap. Use a trailing three-month average of net burn instead of last month's figure, so one unusual month doesn't set your whole plan. Then replace the static number entirely with a forecast — which is the rest of this article. The inputs ## Forecasting from your financials (start with what already happened) The best forecasting input you own is the twelve months of actuals sitting in your accounting system. Most founders never use them, and instead build a model from scratch out of assumptions they can't defend. Do it the other way around: export the last twelve months of your P&L and cash flow by month, and read what your business actually does before you predict what it will do. What you're looking for: - **Which lines are fixed, which are variable, and which are lumpy.** Rent is fixed. Payment processing scales with revenue. Insurance and software renewals hit on a set schedule and blow up a monthly average. - **What each line is really driven by.** Most operating expenses track one of three things: headcount, revenue, or the calendar. Once you know which, you can project the line instead of guessing at it. - **Your leading and lagging.** How long between invoicing and collecting? When do you actually pay vendors? That gap is the difference between a P&L forecast and a cash forecast, and it's where most models quietly break. The toolkit ## The two forecasts every startup needs The operating view ### Rolling 13-week cash forecast Under 12 months of runway? Direct-style, week by week: cash in and cash out, updated every Friday. It shows the crunch before it arrives and answers whether you can make this hire, cover this quarter's tax payment, or float the inventory order. The planning view ### Driver-based monthly model, 3+ years out The one that tells you to start the raise while you still have 12 months of runway, not when you're staring at six. It doesn't need to be precise. It needs to be honest about the handful of things that actually move your outcome. The build ## Building the driver-based model Keep it to five to eight drivers. More than that and nobody updates it, including you. - **Revenue:** build it bottom-up from what creates it — leads → close rate → average contract value, or customers × retention × price. A single growth percentage isn't a driver; it's a wish. - **Headcount:** for most startups, people are 60–80% of spend, so the hiring plan is the model. Count embedded contractors here too — if they work like staff, they burn like staff. List each planned role, its start month, and fully-loaded cost — salary plus taxes and benefits, which is typically 1.2–1.3× base. - **Everything else:** project non-headcount opex as either a percentage of revenue or a cost per head, then add the lumpy items — renewals, taxes, audits — in the specific months they land. - **Timing:** convert the P&L to cash by applying your real collection and payment terms. Revenue booked in March that gets collected in May is May's cash. > Build two cases, not five: a base case you'd defend to your board, and a downside where growth stalls and collections slow. The gap between their runway figures is your real margin for error. That gap is usually the most useful output of the whole exercise. The levers ## When the forecast says runway is short Find out early enough and you have options, in roughly this order of cost to the business: shift the timing of discretionary spend, cut variable and non-committed costs, slow the hiring plan, tighten collections and revisit pricing, and — last, because it's the most expensive in every sense — reduce headcount. The order matters less than the lead time. Every one of those levers works better with nine months of warning than with nine weeks. The investor lens ## What investors are checking The convention is to raise enough for 24–36 months and to start the next raise with 9–12 months of runway left, because a raise takes longer than anyone plans for and negotiating with a hard deadline behind you is a weak position. Alongside the runway, the efficiency question: your burn multiple — net burn ÷ net new ARR. 24–36 mo Raise enough to fund 9–12 mo Runway left when the next raise starts \< 2× Burn multiple investors want to see | Burn multiple | What it says | | --- | --- | | Under 1 | Excellent — you're adding more ARR than you're burning. | | 1 – 2 | Healthy for most venture-backed stages. | | Over 2 | You're spending a lot to grow a little. | We break that down in [Post 4 of this series]([POST%204%20URL]). The habit ## The move that matters most Re-forecast monthly, and each time, compare last month's forecast to what actually happened. That variance check is what turns a model into a management tool: within a couple of cycles you'll know which of your assumptions are reliable and which ones you consistently get wrong — and a founder who knows the error bars on their own plan makes materially better decisions than one working from a number they've never tested. ![](data:image/png;base64,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) Key takeaway A static runway number is a snapshot; a monthly re-forecast with a variance check is a management tool. Founders who know the error bars on their own plan make materially better decisions. ## Want the shortcut? Grab our free 13-week cash-flow template — or, if you'd rather hand the model off entirely, that's exactly what we do. Talk to Ursa at [info@ursaconsultants.com](mailto:info@ursaconsultants.com). 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We build and run the forecasts in this series for startups every week. [info@ursaconsultants.com](mailto:info@ursaconsultants.com) Related in this series - [Post 2 · Get the math rightHow to Calculate Runway]([POST%202%20URL]) - [Post 3 · Build the modelBuilding a Forecast From Your Actual Financials]([POST%203%20URL]) - [Post 4 · Efficiency metricsBurn Multiple]([POST%204%20URL]) - [Cash flow series · ReportingDirect vs. Indirect Cash Flow]([CASH%20FLOW%20POST%201%20URL]) [Skip to content](https://blog.ursaconsultants.com/blog/burn-rate-runway-how-to-calculate-them-and-forecast-what-happens-next#main-content) ![](https://blog.ursaconsultants.com/hs-fs/hubfs/01-burn-rate-and-runway-pillar.png?width=1200&height=630&name=01-burn-rate-and-runway-pillar.png) # Burn Rate & Runway: How to Calculate Them — and Forecast What Happens Next ![Bruno the Bear](https://app.hubspot.com/settings/avatar/b76369ea60201be87a5829b088dc4ab3) Bruno the Bear October 13, 2026 ## Share this post [mailto:https%3A%2F%2Fblog.ursaconsultants.com%2Fblog%2Fburn-rate-runway-how-to-calculate-them-and-forecast-what-happens-next](mailto:https%3A%2F%2Fblog.ursaconsultants.com%2Fblog%2Fburn-rate-runway-how-to-calculate-them-and-forecast-what-happens-next) ## Keep reading ### [![](https://blog.ursaconsultants.com/hs-fs/hubfs/05-direct-vs-indirect-cash-flow.png?width=1200&height=630&name=05-direct-vs-indirect-cash-flow.png) Direct vs. Indirect Cash Flow: Which One Your Startup Actually Needs](https://blog.ursaconsultants.com/blog/direct-vs-indirect-cash-flow) ### [![](https://blog.ursaconsultants.com/hs-fs/hubfs/13-sustainable-business-people-first.png?width=1200&height=630&name=13-sustainable-business-people-first.png) How to Build a Sustainable Business with a People-First Approach — Ursa Consultants Inc](https://blog.ursaconsultants.com/blog/blog/how-to-build-a-sustainable-business-with-a-people-first-approach) [![Ursa Consultants](https://blog.ursaconsultants.com/hs-fs/hubfs/Ursa%20Logo%20Lockup%2007-2023.png?width=1776&height=594&name=Ursa%20Logo%20Lockup%2007-2023.png "Ursa Consultants")](http://ursaconsultants.com) - Home - Products - Pricing - Blog - Company --- Privacy Policy · Legal · © 2026 Ursa Consultants. 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