AHP Smart Tools · Hygiene Products Trade Tools

Unit Converter

General units + AHP-specific (absorbency / roll stock / packaging chain) · Free · no login

① General unit conversion

Type

Value

From

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Length: mm / cm / m / inch / ft · Weight: g / kg / lb / oz · Area weight: gsm / oz·yd² · Volume: ml / L / fl·oz / gal

Absorbency (ml)

Absorption ratio (ml per g of SAP)

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SAP (super absorbent polymer) typically absorbs 30–60× its own weight. Always defer to your supplier's lab report.

Roll outer diameter (mm)

Core diameter (mm)

Web width (mm)

Basis weight (gsm)

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Spiral approximation: length = π × (OD² − ID²) / (4 × web width); weight = length × width × basis weight.

Packs per carton

Cartons per pallet

Pallets per container

Total packs

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