How much space does this amount of coffee take up?

It has a volume of 2.54 tbsp (37.5 mL), which is 7.61 teaspoons, 2.54 tablespoons, or 0.159 cups.

What are the physical dimensions of the pile?

When poured into a loose pile, the coffee is 2.69 in (6.83 cm) wide and 1.21 in (3.07 cm) tall.

The weight is 0.529 oz (15 g), with a typical density of 0.4 g/mL, though this can range from 0.35 to 0.48 g/mL depending on packing.

15 grams of ground coffee is a standard amount for brewing a single cup. It is about the size of a golf ball when poured into a loose pile.

In kitchen measures

2.54 tablespoons

7.61 tsp · 2.54 tbsp · 0.159 cups

about the size of a golf ball

Ground coffee typically ranges 0.35–0.48 g/mL depending on how it's packed. A firmly packed scoop weighs more.

How much space does this amount of coffee take up?: It has a volume of 2.54 tbsp (37.5 mL), which is 7.61 teaspoons, 2.54 tablespoons, or 0.159 cups.
What are the physical dimensions of the pile?: When poured into a loose pile, the coffee is 2.69 in (6.83 cm) wide and 1.21 in (3.07 cm) tall.
How does the weight compare to the volume?: The weight is 0.529 oz (15 g), with a typical density of 0.4 g/mL, though this can range from 0.35 to 0.48 g/mL depending on packing.