## About This Tool

The online Net Profit Margin Calculator is used to calculate the net profit margin.

## Net Profit Margin Definition

Net profit margin is a measure of profitability. It is calculated as the net profit divided by the net revenue, often expressed as a percentage. It is also called profit margin, net margin or net profit ratio.

## Formula

The net profit margin calculation formula is as following:

Net profit margin = Net profit (after tax) / Revenue