Ceramics & Pottery

Ceramics and pottery calculators for glaze recipes, kiln loading, shrinkage rate, firing schedules, and clay body recipes.

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Calculate ingredient weights for a custom clay body from batch size and percentage breakdown of clay, feldspar, silica, and flux.

Calculate total coil length and clay weight needed for a coil-built pot based on dimensions and coil diameter.

Convert pyrometric cone numbers to temperatures in Fahrenheit and Celsius for oxidation and reduction atmospheres.

Calculate ingredient weights in grams from a total batch weight and percentage breakdown of silica, alumina, flux, and colorant.

Calculate recommended dip time and number of brush coats to achieve a target glaze thickness based on specific gravity and viscosity.

Calculate energy consumption in kWh and electricity cost per kiln firing based on kiln wattage, firing duration, and your electricity rate.

Estimate remaining kiln element firings and months of life based on usage rate, max cone fired, and total firings completed.

Calculate total firing time, peak temperature, and cooling time based on target cone, ramp rate, hold time, and kiln size.

Estimate how many pieces fit per firing and how many shelves you need based on kiln interior volume and piece size.

Calculate the final fired size and total shrinkage percentage from wet dimensions, wet-to-dry and dry-to-fired shrinkage rates.