Special Diets GF

Gluten-Free Flour Blend Calculator

What's a good gluten-free flour blend? 2 cups rice flour, ⅔ cup potato starch, ⅓ cup tapioca and 1 tsp xanthan gum makes 3 cups.

Mix your own gluten-free flour blend from a University Extension recipe, scaled to the amount you need, with the xanthan gum for what you're baking.

How to use it

  1. Enter how many cups of blend to make.
  2. Pick a blend and what you're baking.
  3. Whisk everything together and store it airtight.

How it works

Blends are the University of Arkansas Extension's all-purpose blend and the University of Maine Extension's mix.

Xanthan gum follows Colorado State University Extension: ½ tsp per cup for quick breads and cakes, ¾ tsp for yeast breads.

Weights appear only where USDA gives a cup weight; the others are cups only.

Assumptions and limits

  • Flours spooned and leveled.
  • Flours labeled gluten-free.
  • Recipes with 2 cups of flour or less adapt best.

Sources reviewed October 23, 2026.

Tips

  • Use flours and starches labeled gluten-free.
  • Rest gluten-free batters 20 minutes so the flours hydrate.
  • Keep the blend in the fridge or freezer.

Recipes to try it with

Questions

What's a good gluten-free flour blend?

2 cups rice flour, ⅔ cup potato starch, ⅓ cup tapioca and 1 tsp xanthan gum makes 3 cups.

How much xanthan gum per cup of gluten-free flour?

½ teaspoon for cakes and quick breads, ¾ teaspoon for yeast breads.

Is this safe for celiac disease?

Use flours labeled gluten-free and avoid cross-contact. Ask your doctor or dietitian about your own needs.