It is an imperial converter, and lacks most modern American units such as Libraries of Congress. A benefit is that it has some local units: Area (nanoWales - nW), Force (Norris - No), Length (linguine - lg), Temperature (Hilton - Hn) etcetera.
By volume of the building I guess (I'm not sure if the standard LoC unit of volume has ever been clarified).
ChatGPT says (and thus it must be true!), approximately 27 Olympic swimming pools could fit inside the Library of Congress by volume. GP comment had converted to 6.3 olympic swimming pools, so that means just over 1/4 of a Library of Congress (by volume!).
It is an imperial converter, and lacks most modern American units such as Libraries of Congress. A benefit is that it has some local units: Area (nanoWales - nW), Force (Norris - No), Length (linguine - lg), Temperature (Hilton - Hn) etcetera.