1 cup of gluten-free flour is 5.26 oz (149 g) in weight. It is about the size of a coffee mug when poured into a loose pile.

In kitchen measures
16 tablespoons
48 tsp · 16 tbsp · 1 cups
about the size of a coffee mug
Density estimated by AI from typical values. Gluten-free flour typically ranges 0.55–0.7 g/mL depending on how it's packed. A firmly packed scoop weighs more.