What Is The 80/20 Rule For Coffee?

The 80/20 rule for coffee states that 20% of the brewing variables contribute to 80% of the final flavour quality. Focus on water temperature and grind size because these primary factors dictate the success of your extraction process.

The rule also applies to café operations since 20% of regular customers typically generate 80% of total revenue. Businesses prioritise customer loyalty programmes because retaining frequent drinkers ensures long-term financial stability.

Home enthusiasts apply this Pareto principle by investing in a high-quality burr grinder rather than expensive accessories. A consistent particle size improves taste more than any other minor adjustment since it prevents over-extraction.