What is Dough Hydration Calculation?

Understanding dough hydration calculation is key to baking consistent bread and rolls. It's the percentage of water relative to the flour weight. For example, a focaccia recipe might call for 1000g of flour and 800g of water. This means your dough is 80% hydrated. Higher hydration doughs, like ciabatta at 90% or more, create a more open crumb structure but can be trickier to handle. Lower hydration doughs, such as a baguette at 65%, are easier to shape but yield a denser crumb. Let's look at a simple sourdough boule. You use 500g of bread flour, which costs you $0.80/kg, so that's $0.40 for the flour. You add 350g of water, which is practically free. Your dough hydration is (350g water / 500g flour) * 100 = 70%. The total ingredient cost for this batch, excluding starter, salt, and any additions, is just $0.40. If you increase the water to 400g for a more open crumb, your hydration jumps to 80%, and your cost for flour and water remains the same. However, a higher hydration dough might bake off a little more weight, potentially affecting your final yield and portion cost. Knowing your hydration percentage allows you to troubleshoot. If your rolls are consistently dense, you might experiment with increasing hydration by 2-3%. For a 1000g flour batch, that's an extra 20-30g of water. This tiny adjustment can cost you pennies but dramatically change your crumb structure. It also helps you manage your ingredient inventory effectively. If you know you're making 50kg of 75% hydrated dough this week, you can calculate precisely how much water and flour you'll need, preventing last-minute runs to the store.