ELI5: Explain Like I'm 5

Du Pont Identity

Imagine you have a lemonade stand and you want to know how much profit you're making. But there are different ways to look at profit, like how much money you made compared to how much you spent.

The du Pont Identity is a way to understand the different factors that affect your profit. It breaks down your profit into three parts: how much you're selling, how efficient you are at making the lemonade, and how much money you borrowed to start the stand.

Let's say you sell lemonade for $1 per cup and you sold 100 cups yesterday, so you made $100 in revenue. But you also had to spend money to buy lemons, sugar and cups. You spent $30 on those supplies, so your gross profit (revenue minus expenses) is $70.

Now let's look at the three parts of the du Pont Identity. The first part is how much you sold, which is also called your asset turnover. You sold 100 cups of lemonade, but how many supplies did you use up to make that lemonade? If you used $50 worth of supplies to make 100 cups, that means your asset turnover is 2 (100/50), which is pretty good because you're using your supplies efficiently.

The second part of the du Pont Identity is your profit margin, which is how much of your revenue turns into profit after expenses. In our lemonade stand example, we made $70 in gross profit from $100 in revenue, so our profit margin is 70%. That's also pretty good because it means you're keeping a lot of the money you make.

The third part of the du Pont Identity is your financial leverage or how much money you borrowed to start the stand. If you borrowed $10 from your mom to buy the supplies, then your financial leverage is 10. This number is important because borrowing money can help you make more money, but it also means you have to pay back that money with interest.

Putting it all together, the du Pont Identity equation is:

Profit = Asset Turnover x Profit Margin x Financial Leverage

Example:

Let's plug in the numbers from our lemonade stand example:

Profit = 2 x 0.7 x 10

Profit = 14

So our lemonade stand made a profit of $14.

The du Pont Identity helps you understand how different factors contribute to your profit. By looking at asset turnover, profit margin, and financial leverage, you can see where you're doing well and where you can improve.