Animals

Common octopus — length including arms

≈ 2 ft

The selected length including arms for Common octopus is 2 ft (chosen range midpoint).

Chosen midpoint of a documented range · Catalogue uniruler-preview-2026-10-20-r5

What is being measured?

Comparison uses the midpoint of the published 1–3 ft range. Published total length including arms, rather than mantle length. This is a range midpoint, not a measured population mean.

The comparison uses the midpoint of the stated range. That midpoint is a chosen reference, not a measured population mean.

Dimension
length including arms
Reference value
2 ft
Evidence
Chosen midpoint of a documented range
In metres
0.6096 m
Source range
1–3 ft
What the range means
Published total length including arms, rather than mantle length.

Put the length in perspective

One Common octopus represents approximately 7.12 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.

Common octopus · 0.6096 m

Metre · 1 m

Foot (international) · 0.3048 m

One of each reference, on the same linear scale. Very small lengths may not be visible. This compares length, not area or physical fit.
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