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Gross Margin vs. Net Margin: Two Startup Profitability Calculations

Updated: Dec 1, 2023

As your startup progresses through different growth stages, you'll need to regularly assess the financial health and wellbeing of your business. Calculating and tracking your gross margin and net margin will show how your profits track to your revenue over time — think of it as a profitability report card.

Gross Margin vs Net Margin: How to Calculate Your Startup's Profitability

Below, we’ll compare gross margin vs. net margin to show how they differ, how to calculate each of them, and why they're important for a growing successful business.

What is gross margin?

Gross margin, also known as gross profit margin or GPM, is a metric that gives you a general snapshot of how efficiently your business is operating.

When you calculate gross profit margin at regular intervals and look at your numbers over time, you'll gain insight into how well your processes and systems are working. If your margin percentages stay stable, it’s a sign that your business is in good health. If you see your gross profit margin wildly fluctuating or decreasing at every calculation interval, then you need to dig deeper to find and fix any weak spots in your business operations that may be causing instability.

Gross margins vary by industry and business model. Typical SaaS gross margins, for example, range from 70 to 80%. A tech-enabled services business that's more labor-intensive, on the other hand, will have a much lower GPM. The auto and truck industry has one of the lowest average GPMs at 9%.

You can also compare your gross profit margins to your competitors to see if your business is performing at the same levels. If your margins are better than theirs, it means your operations are more efficient. If the margin percentage is lower, then it’s time to look at what you need to change in terms of your sales, pricing, and expenses to get up to speed with the competition.

If you’re an early-stage startup, don’t panic if your gross margins are below the industry average. It can take time to not only get your pricing, sales, and operations in alignment, but also to create the efficient processes needed to give you healthy margins.


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How to calculate gross profit margin (GPM)

The gross profit margin formula is simple to calculate. It’s always expressed as a percentage, and takes into account your net sales revenue minus the cost of goods sold over a set interval, as show in the formula below:

How to calculate gross profit margin (GPM): Picture showing the GPM formula

Gross Margin Example

Say your total revenue from sales is $20,000 for a quarterly period, and your cost of goods sold (or subscription sign ups) is $15,000, factoring in all the necessary direct costs that you incur over this time. Your gross margin would look like this:

$20,000 – $15,000 = $5,000

Your gross profit margin is $5,000 for this quarter in a dollar value. To check how you’re doing in a percentage value, you need to do another quick calculation and divide your gross margin amount by total revenue, then multiply by 100.

$5,000 / $20,000 x 100 = 25%

For most industries, this margin would mean you’re running your business efficiently and have a healthy, stable startup.

If you’re a SaaS startup, your cost of goods sold (COGS) should factor in items like:

  1. Hosting fees

  2. Any third-party apps or software you need to run your business

  3. Customer success costs

  4. Staff costs

You might notice that some companies, even global giants, are running tiny (or even negative) gross margins. This is usually done on purpose as part of their growth strategy. Amazon, for example ran at negative margins for over a decade – compared to 45% for Facebook.

What is net margin?

Net margin, also known as net profit margin, measures how much of a company’s net income, or profit, is generated from revenue. Net profit margin is defined as the percentage of revenue that is turned into profit after all expenses.

Again, this varies by industry, and you can compare your net profit margin percentage to your competitors to gauge how well you’re doing. The higher your net margin is relative to comparable averages, the better it is for your business.

How to calculate net profit margin

How to calculate net profit margin: Picture showing the net margin formula

For this calculation, you'll need your net income:

Net Income = Revenue - (COGS + Expenses + Interest + Taxes)

The formula for net margin is simple once you have that. Divide net income by total revenue and multiply by 100 to get your margin percentage:

Net Profit Margin =

Net Income

x 100

​Total Revenue

Your net margin can be negative or positive, with negative percentages showing where your company failed to be profitable over a certain timeframe.

Net Margin Example

Say your company makes $10,000 in sales for the quarter. Your products cost you $8,000 and you had to factor in costs for overheads and taxes of $1,000.

Your calculations to reach the net margin percentage would look like this:

$10,000 – ($8,000 + $1,000) = $1,000 (this is your net income)

$1,000 ÷ $10,000 = 0.1

0.1 × 100 = 10%

In this example, your net profit margin is 10%, which tells you how much of your total sales revenue is profit.

Some companies opt for sales and pricing strategies like lowering their net profit margin and driving exponentially more sales to increase their total net profits.

This looks great on paper – but unless you’re Walmart, a low cost/high volume tactic can be a risky approach that serves only to damage your brand image and position you as a “cheap” company (also a little like Walmart!).

Gross margin vs. net margin

Much like the difference between gross profit and net profit, comparing gross margin vs. net margin is most easily understood when you think of them as a single metric, where the only difference is whether you want your calculation to consider all business expenses or just the cost of goods sold (COGS).

Net margin differs from gross margin in that it takes into account how much profit you keep after tax for every dollar you generate in revenue, while gross margin only takes into account how much profit you keep after subtracting your COGS.

Analyzing your startup's profit margins

Analyzing your startups margins

Both gross profit margin and net profit margin can tell you a lot about your company’s current profitability and position in the wider marketplace.

Margins should be assessed with regard to the stage of growth of your business. Keep in mind that low and shaky margin percentages for early-stage startups are normal, as it can take time to build and run an efficient operation. More mature businesses should be comparable to industry norms.

As always, these two metrics should not be looked at in isolation. They are part of your essential metrics stack that you need to examine as a whole to give you a clear picture of the growth of your startup.

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