Amsterdam is about 1.3 times smaller than Madison.

Madison (map shows its 124 named neighbourhoods; the area covers the whole city) is approximately 217 sq km, while Amsterdam is approximately 166 sq km, making Amsterdam 76.54% the size of Madison.
Tip: This to-scale comparison of Madison vs. Amsterdam 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.