Studio utility directory
Practical calculators, printable templates, and studio utilities organized by workflow. Each tool includes formulas, worked examples, and explanations.
Shrinkage calculations, test-bar measurement, lid fitting, and dimensional planning tools for thrown and hand-built work.
Generate a full-scale straight or wrap ruler for your exact shrinkage rate. Export tiled PDF or continuous SVG.
Open tool → Clay & FormingConvert wet and fired dimensions in either direction instantly. Includes a worked formula and link to the ruler generator.
Open tool → Clay & FormingCalculate how large to throw or hand-build a piece to reach your desired fired dimensions.
Open tool → Clay & FormingCalculate wet lid, opening, gallery, and clearance dimensions while accounting for shrinkage and glaze thickness.
Open tool → Clay & FormingRecord wet, bone-dry, bisque, and glaze-fired measurements to calculate staged and total shrinkage.
Open tool → Clay & FormingHandle clay that shrinks differently along length, width, and height — useful for tiles, slabs, and extruded forms.
Open tool → Clay & FormingEstimate how much clay you need for common thrown and hand-built forms based on target dimensions and wall thickness.
Open tool → Clay & FormingGenerate full-scale printable rib and profile templates for bowls, rims, and wall curves.
Open tool →Volume, ratio, and quantity calculators for plaster mold making and slip casting.
Calculate plaster and water quantities for mold making using your chosen ratio and mold-box dimensions.
Open tool → Molds & PlasterEstimate casting slip volume, reserve, and reclaim quantities for single or batch casting runs.
Open tool →Batch rescaling, specific gravity, and glaze preparation tools.
Scale any glaze recipe to a new batch size while keeping base materials, colorants, and additives clearly separated.
Open tool → Glaze & ChemistryCalculate current specific gravity and estimate water additions to reach your target.
Open tool →Firing cost, cone reference, and studio business calculators.
Estimate electricity cost for a firing based on kiln power, firing duration, duty cycle, and local energy rate.
Open tool → Kiln & StudioSearchable cone and heatwork table with temperatures at multiple heating rates, Celsius and Fahrenheit.
Open tool → Kiln & StudioEstimate production cost, break-even price, wholesale, and retail margin for handmade pieces.
Open tool →Browser-generated PDF templates for studio record-keeping and measurement.
Full-scale bowl, rib, and rim profile templates exported as tiled A4/Letter PDF or continuous SVG.
Open tool → Printable Templates & LogsDownload clean vector A4/Letter PDF log sheets for kiln firings, glaze testing, and test bars.
Open tool →Every calculator on this site is built to run entirely in your browser. No account required, no tracking, and no data sent to a server. Results are calculated instantly using established ceramic formulas you can verify yourself.
Whether you are calculating clay shrinkage, sizing lids, mixing plaster, scaling glaze recipes, estimating kiln power costs, or printing studio log sheets, all tools are free for personal and commercial studio use.