Dough Calculator

The Science Behind Your Dough Numbers

Every pizza starts with a ratio. Professional pizzaioli call it baker's percentages — a system where every ingredient is expressed as a percentage of the flour weight. Flour is always 100%. Water at 70% means 70 grams of water for every 100 grams of flour. It sounds simple, but this framework is the single most important concept separating consistent pizza from guesswork.

The reason baker's percentages matter more than volume measurements is precision. A cup of flour can weigh anywhere from 120 to 160 grams depending on how you scoop it. That 30% variation cascades through the entire dough — your hydration is off, your salt ratio is wrong, your fermentation timeline shifts. Weight-based baker's percentages eliminate this noise entirely.

Hydration is where most home bakers go wrong, because the right number depends on your oven. There is an inverse relationship between ideal dough hydration and baking temperature. A wood-fired oven at 900 degrees bakes a pizza in 60 to 90 seconds — barely enough time for moisture to escape the crust. That same dough at 70% hydration baked for 7 minutes in a home oven at 550 degrees produces a stiff, dry cracker. The longer bake drives off far more water, so home oven doughs need higher hydration to compensate. Conversely, launching a 70% hydration dough into a portable oven means the center stays soupy because there is not enough time for the water to cook out. This is why the calculator adjusts hydration based on your oven selection — it is not cosmetic, it is thermodynamics.

Flour selection follows the same logic. Italian 00 flour with a W value around 260 was engineered for 800-degree-plus ovens where the bake finishes before the gluten network needs to bear structural load for very long. In a 7-minute home oven bake, that same flour produces a weaker, paler crust because its gluten gives out and it lacks the malt needed for Maillard browning at lower temperatures. Bread flour at W300-plus or a malted 00 like Caputo Americana outperforms in home ovens. The calculator pairs flour to your oven because the physics demand it.

Fermentation is time working as an ingredient. Yeast does not just inflate dough — it produces organic acids, esters, and alcohols that build flavor complexity. The Neapolitan tradition favors tiny amounts of yeast with long fermentation times: as little as 0.1 grams of instant dry yeast fermenting for 24 to 48 hours. Cutting this short produces bland, dense crust. Extending it develops depth. Gemignani's 24-plus-24 cold ferment method — bulk fermenting 24 hours, then balling and refrigerating another 24 — consistently outperforms a single 48-hour bulk ferment in side-by-side tests, producing lighter, crispier results with better structural integrity.

Salt plays a dual role that most recipes underexplain. It enhances flavor, but it also regulates fermentation speed. Neapolitan pizzerias working at room temperature all day use up to 3% salt to prevent dough from blowing out during a long evening of service. Home bakers using cold retardation can safely sit at 2.2 to 2.8%. Salt also affects gluten quality directly — chloride ions make gliadin less soluble, encouraging it to participate more actively in the gluten network, producing a more compact, less sticky dough.

The ball weight and count settings let you scale for your session. A standard Neapolitan ball is 250 to 280 grams for a 12-inch pizza; New York style runs 370 grams for a 14 to 16-inch pie. The math is straightforward but easy to miscalculate by hand, especially when adjusting for non-standard ball sizes or feeding a crowd. The calculator does the arithmetic so you can focus on technique.