Pizza dough hydration percentages explained
The fundamentals guide on this site introduces hydration in three bands and a sensible starting point. This guide goes the rest of the way: what physically changes as the number climbs, why the style tables published online disagree with each other, and how to move a recipe from one level to another on purpose instead of by accident. Hydration is the single most powerful dial in a dough recipe — more water changes the mixing, the shaping, the launch, and the bake — and it is also the dial most often turned without knowing what it is attached to.
Hydration is a percentage of flour, not of dough
Baker's percentage expresses every ingredient as a share of the flour weight, and flour is always 100%. Hydration is simply the water's share: 60% hydration means 60 grams of water for every 100 grams of flour — 300 grams of water in a 500-gram-flour recipe. The formula runs both directions: hydration = (water ÷ flour) × 100, so 325 grams of water over 500 grams of flour is exactly 65%. The rest of the formula uses the same system: salt typically sits at 2% of flour weight (published range 1.5–3%), instant yeast at about 0.3%, active dry yeast at about 0.5%, and olive oil, when used, at 2–3%. Two consequences matter. First, percentages scale perfectly — double the flour and every other number doubles. Second, the math only works by weight: a cup of flour varies too much by scooping method for a percentage to mean anything, which is why every serious dough recipe is in grams.
The four bands: what actually changes
Published guides divide hydration into four levels. The bands below reconcile the two most complete sources, and the handling notes are the part calculators leave out.
| Band | Hydration | Handling | Baked result |
|---|---|---|---|
| Low | 50–57% | Firm, dry to the touch, kneads and shapes easily, very forgiving on the peel | Denser crumb, small bubbles, crisp crust, less chew |
| Medium | 58–65% | Supple and elastic; the beginner-friendly working range | Balanced crispness and chew, moderate air bubbles |
| High | 65–75% | Wet and sticky; needs folds instead of kneading, wet hands, and quick, confident shaping | Open, airy crumb with large pockets; light, soft crust; stronger oven spring |
| Very high | 75–80%+ | Almost a batter at mixing; lives in a pan or tray, never shaped by hand in the air | Very open, holey crumb; crisp base from the pan, cloud-soft interior |
The mechanism is consistent across sources: water activates the flour proteins that form gluten and feeds the yeast, and in the oven the extra water turns to steam, inflating the crumb. More water therefore means a stretchier dough, a lighter and airier crust with larger pockets, and better oven spring — at the cost of stickiness at every step. Wetter doughs also hold their moisture through the bake, staying softer and chewier inside, and may need a longer bake to drive the extra water out; drier doughs crisp faster and stale faster.
Hydration by style — and why the tables disagree
| Style | Published range | Typical point |
|---|---|---|
| Neapolitan | 55–70% (sources split — see below) | 60–65% |
| New York | 58–65% | 62% |
| Sicilian / pan | 50–75% depending on the source's definition | — |
| Detroit | 70–80% | 75% |
| Roman al taglio | 70–80% | 75% |
| Focaccia | 75–85%+ | 80–85% |
The disagreement is real and specific: one major explainer puts Neapolitan at 55–65% while a major calculator's table puts it at 65–70%, and Detroit appears at both 70–75% and 70–80%. The tables are not sloppy — they are assuming different contexts. The lower Neapolitan range describes dough for very hot ovens, where a drier dough survives the short, fierce bake; the higher range describes wetter doughs that need the steam to stay tender. Home ovens change the answer again: a published home-oven recommendation lands at 58–62%, slightly drier than pizzeria practice, because a slower bake at lower temperature gives a wet dough time to turn soggy before it crisps. Treat any single table as a claim about one context, and pick the context that matches the oven actually in the kitchen.
Your flour sets the ceiling
Water has to go somewhere: it is absorbed by the flour, and how much a flour can absorb tracks its protein content. Published flour tables converge on the same ladder — all-purpose flour at 10–12% protein handles roughly 60–65% hydration; bread flour at 11–13% protein handles 65–70%; Tipo 00 sits at 11–12.5% protein; whole wheat, at 13–14% protein, absorbs the most and can carry 70–80%, though its bran works against the gluten at the same time. Push a low-protein flour past its ceiling and the dough turns slack and tear-prone no matter how well it is mixed — the fix is a stronger flour, not more kneading. This is also why a recipe developed on bread flour misbehaves when made with all-purpose at the same percentage: the percentage survived the swap, the absorption did not.
Technique changes with the band
Low and medium bands knead conventionally — mix, knead until smooth, ball, proof. High band dough punishes the same approach. The documented technique adjustments: hold back part of the water and add the rest slowly once the flour has absorbed the first portion; rest the mixed dough about 20 minutes so absorption finishes before working it; build strength with folds — stretch-and-fold in the bowl — instead of bench kneading; and handle it with wet hands, which stick far less than floured ones on a wet dough. Very high band dough skips shaping altogether: it is mixed, folded in its container, and tipped or poured into an oiled pan, which is why the very-high styles in the table are all pan styles. Launching follows the same gradient — the wetter the dough, the less time it can spend sitting on a peel before it bonds to it.
Moving a recipe: the worked math
To adjust a recipe deliberately, change only the water and recompute from the flour. Example, using the formula above: a 500-gram-flour recipe at 62% carries 310 grams of water. Moving it to 68% means 500 × 0.68 = 340 grams — a difference of just 30 grams, which is why small percentage steps (2–3 points at a time) are the sane unit of experimentation. Ball size is the other half of scaling: published dough-weight guidance puts a 10–12 inch Neapolitan-style pizza at 250–280 grams of dough, a 14-inch New York-style at 300–350 grams, and a Detroit-style in a standard 10×14 pan at 500–600 grams — divide total dough weight by ball weight to know how much flour a batch needs at any hydration. One adjustment rides along with fermentation plans rather than hydration: for a cold ferment of 24–72 hours, reduce the yeast — published calculator guidance says by half or more — so the dough does not over-proof before bake day. Sourdough changes the accounting once more (the starter brings its own flour and water); the site's sourdough guide handles that version.
Choosing your level: a decision framework
First doughs, or a new flour: 60–62% — the published beginner point, firm enough that shaping teaches the basics instead of fighting them. Home oven, round pizzas, bread flour, some experience: 63–67% — the working sweet spot for a home oven, open enough to feel like progress, dry enough to launch reliably. Pan pizzas (Detroit, Sicilian-style, focaccia): 70–80%, because the pan does the shaping and the water becomes the open crumb that defines the styles. Chasing a very open, airy rim on a steel: 68–72% with bread flour, the fold-based technique above, and a fast launch — attempted after the 63–67% range is boring, not before. In every case the rule is one variable at a time: raise hydration 2–3 points, bake, judge the crumb and the handling, then decide.
Troubleshooting: too wet, too dry
Dough sticks to everything and will not hold a shape: it is past its flour's ceiling or simply past the intended band — work in a little flour, or accept the batch and reduce hydration 2–3 points next time; wet hands and folds rescue the current one. Dough tears when stretched and feels stiff: too dry for the flour — add water a spoonful at a time and rest it, or lower expectations for this batch and raise the percentage next time. Crust bakes up dense despite high hydration: check the proof before the water — under-proofed dough stays dense at any percentage, and hydration cannot substitute for fermentation time.
FAQ
What hydration is best for a home oven? Published home-oven guidance centres on 58–62% for reliability, with most experienced home bakers working at 63–67% on bread flour. The styles decide the extremes, not the oven alone.
Does higher hydration always mean better pizza? No. It means a more open crumb and a harder dough to handle. Past the flour's absorption ceiling, or past the baker's shaping skill, extra water subtracts quality instead of adding it.
Can water be added after mixing? Yes — a little at a time, folded in, with a rest afterwards. That is exactly the hold-back technique in reverse, and it is far easier than removing water from an over-wet dough.