measurement

the act or process of assigning numbers to phenomena according to a rule; "the measurements were carefully done"; "his mental measurings proved remarkably accurate"

हर पिंजरे की ऊंचाई 45 सेण्टीमीटर, चौड़ाई 45 सेण्टीमीटर और लम्बाई 35 से 40 सेण्टीमीटर होनी चाहिए.

the measurements were carefully done