Grains & Sourdough8 min read| Published 2025-04-09

Sourdough Starter & Bread Hydration: Why Gram Precision Is Non-Negotiable

"Understanding hydration percentage (65% vs 75% vs 80% hydration sourdough) through gram measurements."

D
Dr. Marcus Vance, Culinary ScientistVerified Culinary Specialist
Sourdough hydration is total water divided by total flour. 350g water / 500g flour = 70% hydration.
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125 grams
grams
Calculated Volume
1.00 cups
approx 1.00 cups
1 Cup3/41/21/4
Tablespoons16.0 tbsp
Teaspoons48.0 tsp
Ounces4.41 oz
💡 Measuring Advice:USDA

Spoon into measuring cup and level off with a straight knife edge.