Queensland is about 4.5 times smaller than Australia.

Australia is approximately 7,741,220 sq km, while Queensland is approximately 1,729,742 km² (667,857 sq mi), making Queensland 22.34% the size of Australia.
Tip: This to-scale comparison of Australia vs. Queensland uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.