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Free studio planning tool for ceramic artists: enter wet clay volume in cubic centimeters, cubic inches, or liters, pick a typical bulk-density band (earthenware, stoneware, porcelain) or enter your own grams per cubic centimeter. Output is estimated mass in grams, kilograms, and pounds for batching, shipping, and classroom demos.
Last updated: April 8, 2026
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Grams
4,200 g
Kilograms
4.2 kg
Pounds
9.26 lb
Bulk-density estimate for plastic clay—moisture, grog, and supplier batch change real weight. Weigh finished pieces on a scale for shipping and firing records.
in³ & L
→ cm³
Standard inch-to-cm conversion for volume.
g/cm³
Earth / stone / porcelain
Replace with supplier specs when available.
Your clay
Lab or sheet
Best accuracy for repeat bodies.
Scale-ready
One screen
Match your scale or shipping form.
Bulk density
Not fired
Fired density and shrink differ.
Batching
Quick check
Cross-check weigh-slip against geometry.
2,000 cm³ stoneware preset (~2.1 g/cm³)
Grams
4,200
Kilograms
4.20
Pounds
9.26
We convert your measured volume to cubic centimeters, multiply by bulk density in grams per cubic centimeter, and report mass in grams, kilograms, and pounds. Presets are typical planning values for common clay families—your supplier’s measured density always wins for production work.
mass [g] = volume [cm³] × density [g/cm³]kg = g ÷ 1,000 · lb = g ÷ 453.59237Other material weights? Try glass weight and concrete stepping stone.
Get a Custom Calculator for Your SiteEnter 2 in the volume field and choose liters for roughly 2,000 cm³—same as the default cubic centimeter example, useful when you think in bucket sizes.
Share it with your studio or school kiln room
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