Budapest is about 31 times smaller than Beijing.

Beijing is approximately 16,411 sq km, while Budapest is approximately 525 sq km, making Budapest 3.2% the size of Beijing.
Tip: This to-scale comparison of Beijing vs. Budapest 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.