How Much Does an Eagle Weigh?

Most eagle species weigh between 3 to 7 kilograms (6.6 to 15.4 pounds).

Updated June 2026

How Much Does an Eagle Weigh?

The short answer: Most eagle species weigh between 3 and 7 kilograms (about 6.6 to 15.4 pounds), with females generally heavier than males.

Eagle weight by type

Eagle weight varies by species and sex. Here are typical figures.

Type (example)Typical weight
Bald eagleAbout 3 to 6.3 kg (6.6 to 14 lb)
Golden eagleAbout 3 to 6.4 kg (6.6 to 14 lb)
Harpy eagleAbout 4 to 9 kg (8.8 to 20 lb)
Steller's sea eagle (largest)About 5 to 9 kg (11 to 20 lb)

What affects eagle weight

  • Species. Large eagles like the harpy and Steller's are much heavier than smaller species.
  • Sex. Female eagles are usually larger and heavier than males.
  • Region. Birds in colder climates often run heavier.
  • Feeding. A recently fed eagle carries extra weight in its crop.
  • Age. Eagles reach adult weight after fledging but condition still varies.

How eagle weight compares

A large eagle at about 6 kg weighs roughly the same as a small house cat or a large bag of sugar.

Frequently asked questions

How much does a bald eagle weigh?
Bald eagles typically weigh about 3 to 6.3 kilograms, with northern birds and females being the heaviest.

Which eagle is the heaviest?
The Steller's sea eagle and the harpy eagle are among the heaviest, with large individuals reaching about 9 kilograms.

Are female eagles heavier than males?
Yes. Female eagles are typically larger and can weigh noticeably more than males of the same species.