# What is Protein Density (Protein % by Weight)?

> Protein density is the share of a protein powder's serving weight that is actually protein, calculated by dividing grams of protein by the serving size ...

- **URL**: https://www.best-proteinpowder.com/glossary/protein-density/
- **Publisher**: [Best Protein Powder](https://www.best-proteinpowder.com/)

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Protein density is the share of a protein powder's serving weight that is actually protein, calculated by dividing grams of protein by the serving size in grams.