New Haven is about 3.4 times smaller than Amsterdam.

Amsterdam is approximately 166 sq km, while New Haven is approximately 48 sq km, making New Haven 29.2% the size of Amsterdam.
Tip: This to-scale comparison of Amsterdam vs. New Haven 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.