The wingspan is from and the wing chord measurement is . The sea eagle's wingspan is one of the largest of any living eagle, at a median of per Ferguson-Lees (2001) or a median of per Saito (2009). The Steller's sea eagle's absolute maximum wingspan is less certain; many sources place it at up to 2.45 m (8 ft 2 in). However, less substantiated records indicate that it may also reach even greater wingspans. Three separate sources claim unverified Steller's sea eagles spanning up to , and , respectively.