Pottery & Ceramics
Clay moves as it dries and fires, so the numbers have to move with it. Measure your body's shrinkage, size pieces wet so they finish right, estimate glaze and clay, and compare cone temperatures before you load the kiln.
Available now
5 live
Available
Clay Shrinkage
Shrinkage percentage and scaling factor from a measured test bar.
AvailableWet-to-Fired Dimension
Build size for a target fired dimension, or the fired size of a wet piece.
AvailableMug Capacity
Usable beverage volume from interior dimensions and headspace.
AvailableGlaze Coverage
Glaze volume from surface area, coats, and your measured coverage rate.
AvailableCone Temperature Converter
Approximate cone temperatures in °F and °C at two heating rates.
All 32 calculators
linked tools are live; the rest are on the build list- Clay Shrinkage CalculatorShrinkage percentage from wet, dry, bisque, or fired measurements.Live
- Wet-to-Fired Dimension CalculatorEnlarges a target finished size by your clay's measured shrinkage.Live
- Mug Capacity CalculatorUsable beverage volume from interior dimensions and headspace.Live
- Glaze Coverage CalculatorGlaze volume from surface area, coats, and measured coverage.Live
- Pyrometric Cone Temperature ConverterCone numbers and approximate temperatures by firing rate.Live
- Thrown Cylinder Volume CalculatorInternal or external volume for cups, mugs, and vases.Soon
- Ceramic Planter Volume CalculatorSoil capacity and internal volume after wall thickness.Soon
- Clay Weight by Form CalculatorClay mass for cylinders, bowls, slabs, and solid forms.Soon
- Slab Clay Weight CalculatorClay weight from slab area, thickness, and measured density.Soon
- Coil Length CalculatorCoil length for a vessel circumference and course count.Soon
- Pottery Handle Length CalculatorStarting handle length with shrinkage allowance.Soon
- Slip Casting Fill Volume CalculatorLiquid slip needed to fill one or more molds.Soon
- Plaster Mold Volume CalculatorMold-box volume and plaster slurry from your ratio.Soon
- Ceramic Tile Layout and Shrinkage CalculatorWet tile size, joint layout, and finished coverage.Soon
- Bowl Capacity CalculatorBowl capacity from rim diameter, base diameter, and depth.Soon
- Plate Shrinkage CalculatorWet diameter required for a target fired plate size.Soon
- Glaze Recipe Percentage CalculatorIngredient weights to percentages, or scale a formula to a batch.Soon
- Clay Reclaim Yield CalculatorRecovered clay percentage from scrap and finished reclaim.Soon
- Ceramic Decal Scale CalculatorScales artwork to the wet size required after shrinkage.Soon
- Kiln Firing Electricity Cost CalculatorEnergy cost from kiln power, firing time, and utility rate.Soon
- Wedging Batch Size CalculatorDivides a clay batch into equal balls or project portions.Soon
- Kiln Cost per Piece CalculatorAllocates energy, elements, furniture, and labor across a load.Soon
- Glaze Batch Scaling CalculatorScales a glaze recipe by total dry batch weight.Soon
- Glaze Specific Gravity CalculatorSpecific gravity from container, glaze, and water weights.Soon
- Kiln Shelf Layout CalculatorHow many round or rectangular pieces fit with spacing.Soon
- Pottery Piece Cost CalculatorClay, glaze, firing, studio time, packaging, and overhead.Soon
- Kiln Load Utilization CalculatorUsed shelf area and vertical stacking utilization.Soon
- Clay Body Blend CalculatorWeights for a user-defined blend of two or more clay bodies.Soon
- Pottery Retail Price CalculatorRetail price from cost, labor, markup, and target margin.Soon
- Pottery Wholesale Price CalculatorWholesale and retail pricing from cost and margin targets.Soon
- Ceramic Shipping Weight CalculatorPacked weight from piece, box, and cushioning inputs.Soon
- Studio Clay Inventory CalculatorProjects or weeks remaining from clay stock and average use.Soon
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