• Heidelberg Materials AG average net profit margin for 2018 was 5.8%, a 17.17% increase from 2017.
• Heidelberg Materials AG average net profit margin for 2017 was 4.95%, a 12.5% increase from 2016.
• Heidelberg Materials AG average net profit margin for 2016 was 4.4%, a 11.65% increase from 2015.

Net profit margin can be defined as net Income as a portion of total sales revenue.