Which is bigger, bald eagle or domestic cat?

Bald eagle and domestic cat are near enough identical on weight. Both figures are typical values; the full range for each is in the table above.

How do bald eagles and domestic cats compare on length?

Bald eagle: 0.7–1 m. Domestic cat: 0.36–0.55 m. Bald eagle is 1.8× domestic cat on length.

How do bald eagles and domestic cats compare on top speed?

Bald eagle: 56–160 km/h. Domestic cat: 48 km/h. Bald eagle is 3.3× domestic cat on top speed.

Bald eagle vs Domestic cat

Bald eagle vs domestic cat

Near enough equal on weight

Bald eagle and domestic cat are near enough identical on weight.

A bald eagle and a domestic cat can be compared on 4 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.
	Bald eagle	Domestic cat
Weight	3–6.3 kg	3.6–6.8 kg
Length	0.7–1 m	0.36–0.55 m
Top speed	56–160 km/h	48 km/h
Typical lifespan	15–38 yr	12–20 yr

What the numbers say

Bald eagle and domestic cat are near enough identical on weight.
Bald eagle is 1.8× domestic cat on length.
Bald eagle is 3.3× domestic cat on top speed.
Bald eagle is somewhat greater than domestic cat on typical lifespan — about 1.3×.

Weight compared.

Bald eagle 3–6.3 kg

Domestic cat 3.6–6.8 kg

Bald eagle

The national bird of the United States, recovered from about 400 nesting pairs in 1963 to over 70,000 today.

Domestic cat

The domesticated cat, kept worldwide and still an efficient small predator.

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, bald eagle or domestic cat?: Bald eagle and domestic cat are near enough identical on weight. Both figures are typical values; the full range for each is in the table above.
How do bald eagles and domestic cats compare on length?: Bald eagle: 0.7–1 m. Domestic cat: 0.36–0.55 m. Bald eagle is 1.8× domestic cat on length.
How do bald eagles and domestic cats compare on top speed?: Bald eagle: 56–160 km/h. Domestic cat: 48 km/h. Bald eagle is 3.3× domestic cat on top speed.

Sources

Smithsonian National Museum of Natural History — Smithsonian Institution
Typical range compiled from manufacturer specifications — At One Place

How these figures are compiled and checked