Magnet Designer / Calculator

Calculate pull force, surface gauss and weight for neodymium discs, blocks, rings, arcs and countersunk magnets, then request a quote for custom sizes.

Unit of measure

Shape

disc Disc / Rod
block Block
ring Ring
arc Arc
csring Countersunk Ring
csblock Countersunk Block

Dimensions

mm
mm (axial)

Material & Grade

Working Conditions

mm (0 = touching)

Calculated Results

Max Pull Force (vs. mild steel)
—kg
Surface Gauss
—Gs
Surface Field
—T
Est. Weight
—g
Volume
—cm³
⚠ Guide Only — Calculated Estimates Theoretical estimates only. Real performance varies by coating, steel grade, temperature & air gaps. Not for safety-critical use without independent testing. Aussie Magnets accepts no liability for decisions based solely on these values.
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