Animals

Sei whale — body length

≈ 50 ft

The selected body length for Sei whale is 50 ft (chosen range midpoint).

Chosen midpoint of a documented range · Catalogue uniruler-preview-2026-10-19-r4

What is being measured?

Comparison uses the midpoint of NOAA’s published 40–60 ft length range. 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
body length
Reference value
50 ft
Evidence
Chosen midpoint of a documented range
In metres
15.24 m
Source range
40–60 ft
What the range means
NOAA Quick Facts length range; not a confidence interval.

Put the length in perspective

One Sei whale represents approximately 178 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.

Sei whale · 15.24 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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