Resin Mold Volume Calculator

Calculate how much resin you need to fill any mold shape.

Mold Shape

Units

Length

Width

Height

Diameter

Height

Diameter

Base Diameter

Height

Fill Factor

Rectangle: V = L × W × H

Cylinder: V = π × (d/2)² × h

Sphere: V = (4/3) × π × (d/2)³

Half-Sphere: V = (2/3) × π × (d/2)³

Cone: V = (1/3) × π × (d/2)² × h

Unit conversion: 1 cubic inch = 16.387 ml. The fill factor accounts for bubbles, overpour or underfill preference.