Plate nesting & cutting calculator.

Nest rectangular parts onto stock plates with kerf and edge margins: plates required, yield, scrap and a cutting layout.

Stock plate

Thickness (mm)

Material

Cutting process

Kerf + gap (mm)

Edge margin (mm)

PartLength (mm)Width (mm)Qty

Rectangular parts only; profiles are nested by their bounding rectangle. Production nesting software that nests true shapes, common-line cutting and lead-ins will usually do better.

Method

How it's calculated.

Parts are nested with a maximal-rectangles method: the largest parts are placed first, each in the free space that leaves the least waste, rotating them 90° where allowed. Every part is enlarged by the kerf, and the plate is reduced by the edge margin.

Yield = Σ part area ÷ (plates × plate area) · mass = L × W × t × ρ

Scrap mass includes kerf, margins and offcuts. Keep usable offcuts by sequencing the last plate and cutting it only as far as needed.

Estimates for planning and education only. Verify against the applicable code edition, manufacturer data and a competent engineer.

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