Material Calculator

This calculator will estimate the amount of material for making a pour mold of a simple cubic model. Click here for detailed Material Estimators and Advanced Calculators ›

Cubic Dimension of Model:
in × in × in
Cubic Dimension of Mold Box:
in × in × in
Specific Volume of the Material: in3/lb
This mold will require approximately  lbs () of material.

This calculator will estimate the amount of casting material for a simple cubic part. Click here for detailed Material Estimators and Advanced Calculators ›

Cubic Dimension of Mold Cavity:
in × in × in
Specific Volume of the Material: in3/lb
This casting will require approximately  lbs () of material.
Please note: We do our best to ensure that this material estimator is accurate. However, Smooth-On offers no warranty either expressed or implied regarding the accuracy/reliability of this information. Smooth-On assumes no liability for loss or damage associated with use of material estimators. If this is a critical project, we encourage you to verify estimator results using the long-hand method of correlating the volumetric yield of the material with mold cavity. You can also contact us for assistance.

Urethane Resins

A wide variety of liquid plastic casting resins used for hundreds of different applications. Good for industrial, art-related and hobbyist projects, they are available as rigids or semi-rigids. These plastics are used for making detailed models & prototypes, props and industrial parts. Colors and/or fillers can be added for an infinite variety of casting effects.
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  1. Smooth-Cast® 61D ›

    Smooth-Cast® 61D

    The Smooth-Cast® Semi-Rigid line of low-cost semi-rigid urethane casting resins cure quickly to semi-rigid plastics that offer excellent impact resistance.

    Starting at: $29.03

    Learn More 
  2. Smooth-Cast® 60D ›

    Smooth-Cast® 60D

    The Smooth-Cast® Semi-Rigid line of low-cost semi-rigid urethane casting resins cure quickly to semi-rigid plastics that offer excellent impact resistance.

    Starting at: $29.03

    Learn More 
  3. Smooth-Cast® 57D ›

    Smooth-Cast® 57D

    Smooth-Cast® 57D is a semi-rigid urethane plastic that offers a gradual cure profile (does not snap cure), making it suitable for machine or hand rotational casting.

    Starting at: $29.03

    Learn More 
  4. Smooth-Cast® 45D ›

    Smooth-Cast® 45D

    The Smooth-Cast® Semi-Rigid line of low-cost semi-rigid urethane casting resins cure quickly to semi-rigid plastics that offer excellent impact resistance.

    Starting at: $29.03

    Learn More 
  5. Smooth-Cast® 385 ›

    Smooth-Cast® 385

    Smooth-Cast® 385 is a mineral filled urethane casting resin that is very hard and durable.

    Starting at: $34.08

    Learn More 
  6. Smooth-Cast® 380 ›

    Smooth-Cast® 380

    Smooth-Cast® 380 is a filled, high density casting resin formulated for a variety of tooling applications.

    Starting at: $18.32

    Learn More 
  7. Smooth-Cast® 327 ›

    Smooth-Cast® 327

    The Smooth-Cast® 325, 326 & 327 ColorMatch® Series plastics are fast-cast resins that were developed specifically for adding color pigments and fillers to achieve true color representation or filler effect.

    Starting at: $27.78

    Learn More 
  8. Smooth-Cast® 326 ›

    Smooth-Cast® 326

    The Smooth-Cast® 325, 326 & 327 ColorMatch® Series plastics are fast-cast resins that were developed specifically for adding color pigments and fillers to achieve true color representation or filler effect.

    Starting at: $27.78

    Learn More 
  9. Smooth-Cast® 325 ›

    Smooth-Cast® 325

    The Smooth-Cast® 325, 326 & 327 ColorMatch® Series plastics are fast-cast resins that were developed specifically for adding color pigments and fillers to achieve true color representation or filler effect.

    Starting at: $27.78

    Learn More 
  10. Smooth-Cast® 322 ›

    Smooth-Cast® 322

    The Smooth-Cast® 320 Series consists of ultra-low viscosity casting resins that yield virtually bubble-free off-white castings.

    Starting at: $27.78

    Learn More 
  11. Smooth-Cast® 321 ›

    Smooth-Cast® 321

    The Smooth-Cast® 320 Series consists of ultra-low viscosity casting resins that yield virtually bubble-free off-white castings.

    Starting at: $27.78

    Learn More 
  12. Smooth-Cast® 320 ›

    Smooth-Cast® 320

    The Smooth-Cast® 320 Series consists of ultra-low viscosity casting resins that yield virtually bubble-free off-white castings.

    Starting at: $27.78

    Learn More 

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