Apple's operating profit margin = $71,230 / $233,715 = 30.5% Fitbit's operating profit margin = $310.7 / $1,516.6 = 20.5% We now see that, even as a percentage of revenue, Apple is more profitable ...

The formula for calculating net profit margin is: Net Profit Margin = (Net Profit / Revenue) x 100 To calculate the net ... all expenses – including operating expenses, interest and taxes ...

Calculate net profit margin by dividing net income by total ... Next, you'll need to subtract your operating expenses, taxes, and the interest you paid on any business debts in order to determine ...