Free Ceramic Calculators — 50+ Tools for Potters & Engineers
Scientifically accurate ceramic tools covering every stage of the making process — from calculating clay shrinkage and sizing wet pieces, to glaze batch scaling, kiln firing schedules, and studio business math. All calculators are free, run in the browser, and require no account.
All
Production & Business
Clay & Shrinkage
Firing Tools
Glaze Engineering
Slip Casting
Testing & Analysis
Utility
Testing & Analysis
Testing
Water Absorption Calculator
Measure fired ceramic water absorption (porosity) using the standard dry/wet weight test.
Use Calculator
arrow_forward
Testing
Glaze Fit Calculator (COE Mismatch)
Predict crazing or shivering risk by comparing the Coefficient of Thermal Expansion (COE) of your clay body and glaze.
Use Calculator
arrow_forward