How big is a golden retriever?

About a meter from nose to rump. That is 1 m (3.3 ft) long.

1 m long · 3.3 ft

About a meter from nose to rump.

Smartphone 15 cm

Golden retriever 1 m

Golden retriever next to smartphone, drawn to scale.

Compared with things you know

A golden retriever is about 30× the length of a paperclip Paperclip: 3.3 cm
A golden retriever is about 17× the length of a house key House key: 6 cm
A golden retriever is about 6.7× the height of a Smartphone Smartphone: 15 cm
A golden retriever is about 1/1.7 the height of an average person Average person: 1.7 m

Think you could size it by eye? A golden retriever is one of the objects in Sizedle.