Amsterdam is about 4.5 times smaller than Memphis.

Memphis is approximately 750 sq km, while Amsterdam is approximately 166 sq km, making Amsterdam 22.09% the size of Memphis.
Tip: This to-scale comparison of Memphis 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.