Rochester is about 1.8 times smaller than Amsterdam.

Amsterdam is approximately 166 sq km, while Rochester is approximately 93 sq km, making Rochester 55.88% the size of Amsterdam.
Tip: This to-scale comparison of Amsterdam vs. Rochester 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.