Know the basic relationship

A simple revenue break-even estimate is fixed operating overhead divided by gross margin percentage. For example, if monthly overhead is $75,000 and gross margin is 30%, the business needs roughly $250,000 of revenue at that margin to generate $75,000 of gross profit and cover that overhead.

The margin assumption matters

If gross margin falls, break-even revenue rises. Using the same $75,000 of overhead, a 25% gross margin requires about $300,000 of revenue to cover it. That is why a small margin change can materially affect the sales target.

Define overhead consistently

Office payroll, rent, software, general insurance, marketing, administrative vehicles, professional fees, and other operating costs may belong in overhead. The exact classification should be consistent with the company’s accounting and job-costing system.

Use break-even for decisions

Break-even can help evaluate hiring, advertising, new locations, equipment, or additional management. If an expense permanently raises monthly overhead, determine how much additional gross profit—and therefore revenue at the expected margin—is needed to support it.

Add a profit target

Break-even is survival, not the goal. Once the company understands the revenue required to cover overhead, add the desired operating profit and calculate the revenue required to support both.

What this means for the owner

Break-even gives owners a financial floor. It turns “we need more sales” into a more useful question: how much gross profit must the company generate to support its cost structure and profit goal?

Educational note: These resources provide general business information and are not tax, legal, lending, or investment advice. The right decision depends on your company’s records, contracts, cash position, and circumstances.
Frequently asked questions

Questions owners ask

How much does my roofing company need to sell just to cover overhead?

A revenue goal means more when you know the gross profit required to support the business. Break-even analysis connects overhead to gross margin so an owner can estimate the sales volume needed before the company begins producing operating profit. Break-even gives owners a financial floor. It turns “we need more sales” into a more useful question: how much gross profit must the company generate to support its cost structure and profit goal?

What should I review first?

Start with reliable financial records and the operating data connected to the issue. Review trends and timing, not just one isolated number, and reconcile the analysis to the underlying books where practical.

Can a fractional CFO help with this?

A fractional CFO can help connect financial reporting, forecasts, job economics, and operating decisions. The appropriate scope depends on the underlying problem, the quality of the data, and what the business is trying to accomplish.