Calculator – hbmaterial

Upload a JPG or PNG to show it here.
Draw lines or curves with a mouse or finger.

Drag on the canvas to draw a straight line. Release to add the segment.

Segments

No segments yet. Draw a line or curve to get started.

Use a drawn segment as a scale reference, or skip the image and type a known length below.

Select a drawn segment to set a photo reference (optional).

Or enter known length

If you already know the measured length, enter it here — no image required.

Divides total real length by the Packer coverage length.

(1 recommended per 1.75 m)

Length ÷ 1.75 m

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Minimum Packers required: —