The best-tasting coffee is dependent on personal preferences, water, type of beans used and grinding level of beans. However, the following is the most commonly used guidance: To brew 12 Cups, use 9 tbsp. of grounds. To brew 10 Cups, use 7.5 tbsp. of grounds. To brew 8 Cups, use 6.5 tbsp. of grounds. To brew 6 Cups, use 4.5 tbsp. of grounds. To brew 4 Cups, use 3 tbsp. of grounds.