Restaurant · Guide Updated July 2026

How to Forecast Your Restaurant Revenue Using Square Footage

The single most common question I get from aspiring restaurant owners is: how much money should I actually be making? Before you can answer that, you need a revenue range. This guide walks you through the exact formula I teach in the Profitable Restaurant Owner Academy, using a real example so you can plug in your own numbers today.

What Is a Revenue Range, and Why Do You Need One?

A revenue range is a projection of your restaurant’s monthly revenue based on one variable: the size of your physical location in square feet.

That’s it. One variable.

This number is not a precise forecast. It does not account for your concept, your neighborhood, your experience level, your food offerings, or your operations. A bubble tea shop and a full-service burger restaurant sitting in identical 700 sq ft spaces will produce very different results in real life. This formula does not care about any of that, and that is the point.

You need a starting benchmark. Without one, you are guessing in the dark when you try to figure out how much to invest in your build-out, how much cash to hold in reserve, or whether a lease even makes sense. The revenue range gives you that benchmark. Everything else in your financial model builds on top of it.

What Is the Formula for Projecting Monthly Restaurant Revenue?

The formula is straightforward:

For every 100 square feet of your location, project $3,000 to $4,500 in monthly revenue.

Pick a number within that range based on how realistic you want to be about your own situation. If you are new to the industry or cautious about the location, start at $3,000. If you have solid operational experience and strong confidence in the site, move toward $4,000 or $4,500. If your restaurant is genuinely firing on all cylinders, $6,000 per 100 sq ft per month is considered super-successful.

Here is the full formula written out:

(Your location’s total square footage ÷ 100) × your chosen per-100-sq-ft rate = projected monthly revenue

How Does This Work With a Real Example?

Let’s use Ben’s Burger, the example I build out across this entire module.

The owner of Ben’s Burger decides he is not at the $4,500 level yet, but he is not the most conservative operator either. He settles on $3,500 per 100 sq ft as his projection rate.

His location is 700 square feet.

700 sq ft ÷ 100 = 7 units of 100 sq ft.

7 × $3,500 = $24,500 projected monthly revenue.

Visualize it as seven identical boxes side by side, each generating $3,500 a month. Add them up and you have $24,500. That is the number Ben’s Burger uses as the foundation for every other financial decision in the business plan.

If the owner had chosen $3,000 per unit, his projection would be $21,000 a month. At $4,500, it would be $31,500. The range is wide on purpose. This is your first pass, not your final answer.

What Rate Should You Choose?

Pick honestly. The rate you choose is a statement about what you believe you can achieve from that specific location.

Use $3,000 if you are conservative, new to the industry, or unsure about the location’s foot traffic. Use $3,500 if you have some experience and moderate confidence in the site. Use $4,000 to $4,500 if you have a proven concept, strong operations, and a high-demand location. Reserve $6,000 for benchmarking what elite performance looks like, not for your opening-year projection.

The goal is not to be aggressive. The goal is to have a number you can build a real financial model around. An over-inflated projection leads to an under-funded build-out, which leads to a restaurant that runs out of cash before it finds its footing.

How Does Your Revenue Range Connect to Your Investment Budget?

This is why the revenue range matters beyond the revenue itself.

Once you know your projected monthly revenue, you can start projecting how much capital you should budget for your build-out and your pre-opening reserves. Investment and revenue are linked. A 700 sq ft location projecting $24,500 a month needs a different capital plan than a 2,000 sq ft location projecting $70,000 a month.

For context on current opening costs, a full restaurant in the US runs roughly $727,000 to $1,211,500 to open as of 2026, with a planning target around $969,000. Before you sign any lease, you should have approximately 1.4 times your total build cost in accessible cash. Your revenue range is the first number you calculate so that every subsequent investment number has something real to anchor it.

This is the sequence: revenue range first, investment budget second. Not the other way around.

How Do You Actually Run the Calculation?

Take your location’s square footage. Divide by 100. Multiply by your chosen rate. The result is your projected monthly revenue.

Write that number down. It is the first line of your financial model. In the lessons that follow, you layer in variables like food cost, labor, rent as a percentage of revenue, and concept-specific adjustments. Each layer makes the projection more accurate. But none of that works without the starting point this formula provides.

The Bottom Line

Your revenue range is not a guarantee. It is a direction. Pick an honest rate between $3,000 and $4,500 per 100 sq ft, multiply it against your location size, and you have a monthly revenue benchmark grounded in real industry data. That one number makes every other planning decision faster, clearer, and harder to fudge. As I tell every operator I work with: you cannot plan an investment you have not projected.

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