Burn Multiple: The One Number Investors Watch on Growth

You know the usual numbers used to measure startup growth—revenue, customers, market share and how fast a company could scale.

Today, investors are looking just as closely at another metric: the burn multiple.

It’s a simple idea. How much cash does a startup need to spend to generate each new dollar of recurring revenue?

What the Burn Multiple Really Measures

The burn multiple is a measure of capital efficiency. It connects a company's cash consumption with the amount of new recurring revenue it generates.

The formula is: Burn Multiple = Net Burn ÷ Net New ARR

• Net burn is the cash a company consumes over a given period.
• Net new ARR is the increase in annual recurring revenue over that same period.

A burn multiple of 2 means a company is spending $ 2 to generate $ 1 of new ARR.

Popularized by David Sacks, an entrepreneur and co-founder of Craft Ventures, the burn multiple gives investors a quick way to assess whether growth is being generated efficiently, or if the company is spending heavily without seeing enough revenue growth in return.

The Formula in Plain Terms (Net Burn ÷ Net New ARR)

Imagine a startup burns $ 4.5 million over a quarter and generates $ 3 million in net new ARR during the same period.

Its burn multiple is 1.5.

In general, the lower the multiple, the more efficiently the company is turning cash into recurring revenue. But the number does need context: a startup investing heavily in product development or entering a new market may have a higher burn multiple for a period of time.

Why This Number Rose to the Top of Investor Dashboards

The burn multiple gained prominence as the startup funding environment changed.

When capital was cheap and plentiful, startups could prioritize rapid growth and worry about efficiency later. Now, with investors paying closer attention to profitability, runway and sustainable growth, the relationship between spending and revenue has become harder to ignore.

A high burn multiple doesn’t automatically mean a startup is in trouble. Early-stage companies often need to invest ahead of revenue. But if a company continues to consume significant amounts of cash without improving its growth, investors will want to understand what that cash is buying.

How to Calculate Your Burn Multiple

The calculation is easy. The harder part is making sure the underlying numbers give a meaningful comparison.

The Two Inputs You Need

You need two figures covering the same period:

• Net burn: how much cash the company has consumed.
• Net new ARR: the increase in annual recurring revenue during that period, taking into account new business, expansion and churn.

Using the same time period for both figures is important. A quarterly calculation can provide a useful snapshot, while a longer period can be more informative for businesses with long sales cycles or significant investments that take time to generate revenue.

A Worked Example, Step by Step

Say a SaaS startup begins the quarter with $ 10 million in ARR.

Three months later, it’s added $ 1.5 million in new and expansion revenue but lost $ 500,000 through churn. This makes its net new ARR equal to $ 1 million.

During the same quarter, the company consumed $ 2 million in net cash.

The calculation is: $ 2 million (Net Burn) ÷ $ 1 million (Net New ARR) = 2

The company's burn multiple is 2. That means it spent $ 2 in net cash for every $ 1 of additional recurring revenue.

What Counts as a Good Burn Multiple

For venture-stage startups, David Sacks’ original framework offers a rule of thumb:

• “Amazing” = a burn multiple below 1
• “Great” = 1 to 1.5
• “Good” = 1.5 to 2
• “Suspect” = 2 to 3
• “Bad” = above 3

Sacks argues that expectations should tighten as a company matures: a seed-stage startup might have a burn multiple around 3 as it begins selling, but that figure should fall toward 2 after a Series A and continue improving as the startup scales.

The goal is for the burn multiple to approach zero as a company reaches profitability.

The Benchmark Ranges Investors Use

Different investors and analysts use different benchmarks, but as a general guide:

• Early-stage companies could have burn multiples around 3.
• Mid-stage businesses can target a range of 1 to 3.
• Mature companies should increasingly move below 1 as they approach profitability and positive cash flow.

Keep in mind, these are reference points, not universal rules. Often the direction the burn multiple is heading is more important than the number itself. A startup with a burn multiple of 2 that is improving can be more attractive to investors than one with a multiple of 1.5 that is getting worse.

How Expectations Shift by Stage

For an early-stage startup, spending heavily is often part of the plan.

Building a product, hiring engineers, establishing a sales operation and finding product-market fit all require investment. It’s normal for revenue to lag behind spending for a while.

As the company grows investors expect those investments to begin producing operating leverage.

That is where the burn multiple becomes particularly revealing.

Why Investors Lead With the Burn Multiple

Revenue growth alone doesn't tell the whole story.

One Number That Ties Growth to Capital Efficiency

Two startups could each add $ 5 million in ARR in a year. But if one spends $ 5 million to achieve that growth while the other spends $ 15 million, they have very different capital requirements.

The burn multiple brings those two sides of the equation together. It helps investors understand how much additional capital is required to generate growth, and whether that equation is improving as the company scales.

What a Low Multiple Signals in Today's Market

A low and improving burn multiple can signal that a company's financial performance is getting stronger. It could reflect more efficient sales and marketing, stronger customer retention, better expansion revenue or the operating leverage that comes with scale.

But efficiency shouldn’t be chased for its own sake. A company could cut marketing, freeze hiring and reduce product investment and temporarily improve its burn multiple. But that doesn’t necessarily make it a better business.

Efficiency is valuable when it supports sustainable growth, not when it replaces growth.

How to Improve Your Burn Multiple as You Scale

There are two basic ways to improve your burn multiple:

1. Generate more revenue from the money being spent.
2. Reduce the amount of cash required to generate that revenue.

Sharpening Revenue Growth Before Cutting Costs

The instinctive response to a high burn multiple is often to cut costs.

But there are other levers. Improving pricing, reducing churn, increasing expansion revenue and making sales and marketing more efficient can all improve the ratio without shrinking the business.

For recurring-revenue companies, retention can be particularly important to their burn multiple. Keeping an existing customer and expanding their account can generate additional revenue without the same acquisition costs associated with winning a new customer.

Building Efficient Habits Into Every Funding Round

The burn multiple can also change how founders think about fundraising.

Instead of only asking how much money the company needs, founders should think about what that capital is expected to achieve. Will it fund a new market? Build a product? Expand the sales team? Generate a specific amount of additional ARR?

The clearer the link between investment and outcomes, the easier it becomes to demonstrate why more capital is needed.

Putting the Burn Multiple to Work

The burn multiple is most useful when viewed as part of a bigger picture—not a single number founders obsess over.

Reading It Alongside Runway and Growth Rate

A startup with strong revenue growth and a high burn multiple can have a very different risk profile from a slow-growing company with the same multiple.

Investors will typically consider the metric alongside growth rate, runway, gross margin, customer acquisition cost, lifetime value and retention.

The trend can also be more revealing than a single snapshot. If a company's burn multiple falls from 3 to 2 to 1.5 as it scales, that suggests its capital efficiency is improving.

If it moves in the opposite direction, investors will want to know why.

Turning Capital Efficiency Into a Fundraising Advantage

For founders, the burn multiple is ultimately about demonstrating control.

Investors know that building a startup costs money. They also know that some investments take time to pay off. What they want to understand is whether the company knows where its money is going, what it’s buying and when those investments should translate into growth.

That makes the burn multiple a useful bridge between two sides of the startup equation: risk and growth. The startups that stand out to investors in today’s market are the ones that can show they know how to turn every dollar of capital into sustainable growth.

For more on the metrics that capture investor attention, check out this article: Investment Checklist for Startups: What Investors Want to See