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Baker's calculators and tools

Four calculators we use ourselves and reach for constantly while teaching. Free, no sign-up, and they work on a phone with flour on your hands.

  • Hydration & baker's percentage calculator Work out water, salt and starter from your flour weight and target hydration. Free baker's percentage calculator from the Maru Expert pastry academy.
  • Dough temperature calculator Calculate the water temperature you need to hit your desired dough temperature. Free tool from the Maru Expert pastry academy.
  • Pan size converter Convert a recipe between pan sizes and shapes. Free scaling calculator from the Maru Expert pastry academy.
  • Starter feeding calculator Work out how much starter, flour and water to use for any feeding ratio. Free sourdough tool from the Maru Expert pastry academy.
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Sourdough bread course

We're starting on September 7! Learn how to bake your first loaf of homemade bread.

Enroll now
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