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Fin whale vs Sperm whale

Fin whale vs sperm whale
Fin whale is larger on weight
Fin whale is 1.8× sperm whale on weight.

A fin whale and a sperm whale can be compared on 3 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

Side by side

Larger value in bold. Ranges reflect genuine variation, not uncertainty.
Fin whale Sperm whale
Weight 40–80 t 15–57 t
Length 18–27 m 11–20.5 m
Typical lifespan 80–114 yr 60–70 yr

What the numbers say

  • Fin whale is 1.8× sperm whale on weight.
  • Fin whale is somewhat greater than sperm whale on length — about 1.3×.
  • Fin whale is 1.5× sperm whale on typical lifespan.

Weight compared.

Fin whale 40–80 t
Sperm whale 15–57 t

Fin whale

The second-largest animal on Earth, and among the fastest of the great whales.

Sperm whale

The largest toothed predator, diving to 2,000 m for squid and producing the loudest sound of any animal.

This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

Common questions

Which is bigger, fin whale or sperm whale?
Fin whale is 1.8× sperm whale on weight. Both figures are typical values; the full range for each is in the table above.
How do fin whales and sperm whales compare on length?
Fin whale: 18–27 m. Sperm whale: 11–20.5 m. Fin whale is somewhat greater than sperm whale on length — about 1.3×.
How do fin whales and sperm whales compare on typical lifespan?
Fin whale: 80–114 yr. Sperm whale: 60–70 yr. Fin whale is 1.5× sperm whale on typical lifespan.

Related pages

Sources

  1. National Oceanic and Atmospheric Administration — NOAA (Public domain (US Government))

How these figures are compiled and checked