Rĩĩthi

Mahinda ma ndagĩkaframelesstacoometer ya ngari ĩna njano ciganona cia kwonia marũngũ ngiri ĩmwe o ndagĩkaŨhoro wa mũingĩKĩhũngĩro kĩa Gĩthima gĩa kũgarũrũka, gĩtara kĩa kũgarũrũkaRĩĩtwarpm, r/min (maita o ndagĩka)GũkongoaIthimi cia kabirũ  1 min−1    Ciĩga cia SI   1/6 Hz = 0,016 Hz   Ciĩga cia kĩhumo cia SI   0.016 s−1    
Rĩĩthi  ('RPM', RPM, rev/min, r/min, kana r⋅min−1) nĩ kĩo kĩa ũbĩrĩrĩki wa mĩro ĩrabĩrĩrĩka o ndagĩka. Rĩthi ĩmwe na kĩmonimoni nĩ HERTZ ngorio mĩrongo ĩtandatũ kana 1/60 hertz.