Paperweight Weight Calculator

Free Paperweight Weight Calculator that estimates a paperweight's weight from shape, dimensions and material density in g, kg, oz or lb.

984.0K uses Updated · 2026-05-13 Runs locally · zero upload
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How to Use Paperweight Weight Calculator

The Paperweight Weight Calculator turns paperweight design specs into a real-world weight estimate without machine shop guesswork.

  1. Pick a shape — Rectangular block, cylinder puck or sphere.
  2. Enter dimensions in mm — Length / width / height, or diameter / height, or diameter only.
  3. Choose a material — Glass, crystal, steel, brass, stone, wood, resin or custom density.
  4. Pick the weight unit — g, kg, oz or lb.

Formula & Theory - Paperweight Weight Calculator

The Paperweight Weight Calculator uses standard volume formulas multiplied by density:

Box      V = L × W × H
Cylinder V = π × (D/2)² × H
Sphere   V = 4/3 × π × (D/2)³
Weight   m = V × ρ
SymbolMeaning
VVolume in cm³
L, W, H, DDimensions in centimetres
ρMaterial density in g/cm³
mMass in grams

Notes

  • The Paperweight Weight Calculator assumes a solid object. Hollow paperweights will weigh much less.
  • Built-in densities are typical averages; specific glass formulas or alloys can vary by 5–15%.

Use Cases for Paperweight Weight Calculator

The Paperweight Weight Calculator is helpful for:

  • Crafters and resin artists — Estimate finished weight before pouring.
  • Manufacturers — Quote shipping cost based on per-unit weight.
  • Designers — Compare materials when iterating on paperweight designs.
  • Students — Learn how shape and density combine to define mass.

By combining geometry and material data in one place, the Paperweight Weight Calculator gives a fast, reliable weight estimate.

Frequently asked questions about Paperweight Weight Calculator

What does the Paperweight Weight Calculator do?

It computes the volume of a rectangular block, cylinder or sphere and multiplies by material density to estimate the paperweight's weight.

What densities are built in?

Glass, lead crystal, steel, brass, stone, hardwood and resin. The Paperweight Weight Calculator also accepts a custom density.

What weight feels right for a paperweight?

Most desk paperweights are 200–500 g. The Paperweight Weight Calculator helps you check whether a planned design will hold paper down comfortably.

Is my data stored?

No. All calculations happen in your browser; nothing is sent to a server.