What Is Pizza Dough Baker’s Math? (Formula Chart)

Baker’s math, or baker’s percentage, uses the total flour weight as a fixed 100% reference. Each other ingredient is listed as a percentage of that flour weight, so you can compare recipes and scale batches by weight. Divide a target dough weight by the formula’s total percentage to find how much flour to use.

If a recipe’s percentages look as though they add up to more than 100%, that is normal. Flour is the reference, not the whole dough. Once that distinction is clear, the numbers help you adjust a batch without guessing or converting each ingredient to cups.

I use the same calculation whether I am checking a small batch or scaling dough for several pizzas: add the ingredient percentages, then match the total dough weight to the number and size of dough balls I need. The method does not dictate a pizza style or fermentation schedule. It gives you a consistent way to measure and scale a formula.

Formula Basis, Flour Choice & Equipment Preparation

Baker’s math is a way to express a dough formula by weight, with all flour set to 100%. Water, salt, yeast, oil, and other ingredients are measured against that flour weight. This makes the recipe easier to scale, while flour choice and baking equipment still affect the result.

The formula is:

Ingredient percentage = ingredient weight ÷ total flour weight × 100

For example, if a dough has 650 g of water and 1,000 g of flour, its hydration is 65%. Hydration means the water weight as a percentage of flour weight. It does not mean that water is 65% of the finished dough.

Here is a worked formula chart. It is an example, not a rule for every pizza style:

To calculate an ingredient weight, multiply the flour weight by the ingredient percentage written as a decimal. For 1,000 g of flour, salt at 2% is 1,000 × 0.02, or 20 g. The sum of all percentages, including flour, is the total dough percentage.

If you use more than one flour, add their weights together for the 100% flour basis. For example, a blend of bread flour and whole-wheat flour is still 100% in total, not 100% for each flour. Keep that same basis when calculating water, salt, and yeast.

Flour type and even flour lots can absorb water differently. Treat a listed hydration as a starting point, then judge the dough as you mix it. For baking, use an oven-rated steel, stone, or pan and follow the maker’s temperature limits. Do not assume every surface can safely handle the same heat.

Scaling, Mixing, Fermentation & Baking

Scaling means changing the batch size while keeping the ingredient percentages the same. First choose the number and weight of dough balls, then calculate the flour needed. Weigh ingredients rather than relying on cups when precision matters, since flour packing can make volume measures vary.

To calculate total dough from a known flour weight:

Total dough weight = flour weight × (sum of formula percentages ÷ 100)

For the chart above, the total is 168.2%. With 1,000 g flour, the calculation is 1,000 × 1.682 = 1,682 g dough.

To work backward from a target dough weight:

Flour weight = target dough weight ÷ (sum of formula percentages ÷ 100)

Suppose you want one 250 g dough ball using the example formula. Divide 250 by 1.682 to get about 148.63 g flour. Then multiply that flour weight by each ingredient percentage:

These numbers are rounded. Small amounts of yeast may require a scale with finer resolution than a typical kitchen scale. Avoid rounding each ingredient too early; calculate first, then round to the scale you have.

For four 250 g balls, target 1,000 g of dough. The flour calculation is 1,000 ÷ 1.682, or about 594.53 g. Calculate each other ingredient from that flour weight. This approach keeps the formula consistent as the batch grows.

Once weighed, mix the ingredients and develop the dough as the recipe directs. Yeast percentage is tied to time and temperature: a rate that suits one fermentation schedule may not suit another. Follow a tested recipe’s fermentation guidance rather than assuming that one yeast percentage works for every schedule.

After fermentation, divide the dough by weight, shape without tearing it, and add toppings. Bake on a prepared surface within its rated limits. A dry peel sized for the pizza can help transfer it. Avoid putting cold or wet dough directly on a hot stone if the manufacturer warns against it.

Dough Handling, Surface Care & Cleaning

Accurate percentages do not replace careful handling. Weigh each dough portion, use the recipe’s fermentation cues, and prepare the baking surface as its maker directs. Stones and ceramic surfaces can crack after abrupt temperature changes, so follow their heating and cooling instructions.

A useful check is to compare the dough you mixed with the batch weight you calculated. Small differences may come from rounding or dough left on the bowl and tools. If the gap is large, check that you used flour weight as the basis and entered each percentage as a decimal in the calculation.

Keep these points in mind while working:

• Weigh ingredients, especially salt and yeast, rather than measuring by volume.
• Count every flour in the total flour basis, including flour in a preferment.
• Calculate preferment ingredients consistently and do not count the same flour twice.
• Use a baking surface rated for your oven and intended temperature.
• Let stone or ceramic equipment change temperature as its maker instructs.
• Clean the surface according to its care directions; avoid methods the manufacturer does not allow.

When scaling a recipe that includes a preferment, make sure the preferment’s flour and water are included in the total formula. If the preferment already contains some of the flour, subtract that flour from the final dough’s remaining flour rather than adding it again. The same principle applies to its water and other ingredients.

Portioning, Topping & Serving Presentation

A dough ball’s target weight is the weight of the dough portion before toppings are added. Set the number and weight of portions first, then use the reverse-scaling formula to find the flour required. This links your ingredient chart to the portions you plan to shape and bake.

Here is a practical sequence:

• Choose a target dough-ball weight and count.
• Multiply them to find total dough weight.
• Add the formula percentages, including flour, to find the total percentage.
• Divide target dough weight by that percentage expressed as a decimal.
• Calculate each ingredient from the resulting flour weight.
• Weigh and divide the dough, then shape and top each portion.

For example, four portions of 250 g require 1,000 g of dough. With the 168.2% example formula, use about 594.53 g flour. The toppings are not included in that dough weight or in the formula unless you are separately calculating a topping recipe.

This method helps prevent a common mismatch: making enough dough by total weight but ending up with portions that are too large or too small. Confirm your dough-ball weights before shaping, and adjust the flour calculation if the count or target weight changes.

Baker’s Math FAQ

Baker’s math is most useful when you want to understand a formula, scale it, or compare two recipes. These answers focus on the calculation itself; they do not set a universal hydration, yeast rate, fermentation time, or oven temperature.

Is flour always 100% in baker’s math?
Yes. The total flour weight is the reference and is written as 100%.

Does 65% hydration mean water is 65% of the dough?
No. It means water weighs 65% of the flour weight. Other ingredients contribute to total dough weight.

Why do the percentages add up to more than 100%?
Because the formula includes flour at 100%, plus water, salt, yeast, oil, and any other listed ingredients.

How do I calculate water at 65% hydration?
Multiply total flour weight by 0.65. With 1,000 g flour, that is 650 g water.

How do I scale a recipe to a target dough weight?
Add all formula percentages, divide the target dough weight by that total written as a decimal, then calculate each ingredient from the flour weight.

How do I calculate total dough weight?
Multiply flour weight by the sum of all ingredient percentages written as a decimal.

Are baker’s percentages based on volume or weight?
They are based on weight. Weighing is more consistent than measuring flour by cups.

How should I handle multiple types of flour?
Add their weights together. Their combined weight is the 100% flour basis.

Do toppings count in the dough formula?
No. A dough formula covers the dough ingredients. Toppings are separate unless you are calculating a separate topping formula.

Can I use any baking stone or steel at any oven temperature?
No. Check the product’s oven rating and care instructions, and do not exceed its stated limits.

(This article was written by one of our staff writers, Julian R. Hayes. Visit our Meet the Team page.)