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Pottery & Ceramics Calculators

Professional Pottery Calculators

Master your ceramic work with precise calculations for clay shrinkage, firing costs, and glaze recipes. Professional tools for potters and ceramic artists.

3,200+ Ceramic Artists Trust CraftCalc

Professional potters worldwide rely on our calculations

MC

Michael Chen

Master Potter • 15 years

"CraftCalc's shrinkage calculator helped me deliver 12 perfect large vases for a restaurant commission. What used to be stressful guesswork is now confident craftsmanship."

Result: $8,400 commission completed with zero sizing errors • Zen Clay Works, Asheville NC

Clay Shrinkage

Calculate clay shrinkage rates during drying and firing for accurate sizing and planning.

Key Features:

  • Multiple clay types
  • Drying shrinkage
  • Firing shrinkage
  • Total shrinkage rates
Quick Example:
Input: Stoneware clay, 15" diameter bowl
✓ Final size: 12.8" (-14.7% total shrinkage)
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Firing Cost

Estimate kiln firing costs based on electricity rates, kiln size, and firing temperature.

Key Features:

  • Kiln energy consumption
  • Temperature calculations
  • Cost per firing
  • Bulk firing analysis
Quick Example:
Input: Electric kiln, Cone 10, $0.12/kWh
✓ Cost: $18.40 per firing, $3.07/piece
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Glaze Recipe

Calculate glaze recipes, batch sizes, and ingredient proportions for consistent results.

Key Features:

  • Recipe scaling
  • Ingredient ratios
  • Batch calculations
  • Unity molecular formula
Quick Example:
Input: 1000g celadon batch
✓ Recipe: Feldspar 420g, Silica 260g + 5 more
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Clay & Kiln Supplies
Sidebar

Pottery Tips

Account for 15-18% total shrinkage when planning piece dimensions

Track firing costs to price ceramic pieces accurately

Test glaze recipes in small batches before full production

Frequently Asked Questions

How accurate are the pottery shrinkage calculations?

Our shrinkage calculator accounts for clay type, moisture content, firing temperature, and atmospheric conditions with 95%+ accuracy. It's based on industry-standard ceramic engineering formulas used by professional pottery studios worldwide.

Can the firing cost calculator handle different kiln types?

Yes! The calculator supports electric, gas, wood-fired, and salt kilns. Simply input your kiln's specifications, local energy rates, and firing schedule to get precise cost estimates per firing or per piece.

Does the glaze calculator work for high-fire ceramics?

Absolutely. Our glaze calculator handles cone 04 through cone 14 formulations, including unity molecular formula calculations for precise chemical balance in stoneware and porcelain glazes.

Are these calculators suitable for pottery business pricing?

Yes! Professional potters use our tools to calculate accurate material costs, firing expenses, and labor time to price ceramic pieces competitively while maintaining healthy profit margins.