If the ruler you use is marked with millimeters and centimeters, you can say you use metrical measurements.
Of or pertaining to the meter; arranged in meter; consisting of verses;
Adjective S.
the rhythmic arrangement of syllables
Adjective
based on the meter as a standard of measurement; "the metric system"; "metrical equivalents"
a.
Of or pertaining to the meter; arranged in meter;
consisting of verses; as, metrical compositions.
a.
Of or pertaining to measurement; as, the inch, foot,
yard, etc., are metrical terms; esp., of or pertaining to the metric
system.
Metrical
Of or pertaining to the meter; arranged in meter; consisting of verses;
Usage Examples
Metrical, Metrical, etrical, Metrical, Mwetrical, M3etrical, M4etrical, Mretrical, Msetrical, Mdetrical, Mwtrical, M3trical, M4trical, Mrtrical, Mstrical, Mdtrical, Mewtrical, Me3trical, Me4trical, Mertrical, Mestrical, Medtrical, Mertrical, Me5trical, Me6trical, Meytrical, Megtrical, Merrical, Me5rical, Me6rical, Meyrical, Megrical, Metrrical, Met5rical, Met6rical, Metyrical, Metgrical, Meterical, Met4rical, Met5rical, Mettrical, Metfrical, Meteical, Met4ical, Met5ical, Mettical, Metfical, Metreical, Metr4ical, Metr5ical, Metrtical, Metrfical, Metruical, Metr8ical, Metr9ical, Metroical, Metrjical, Metrkical, Metrucal, Metr8cal, Metr9cal, Metrocal, Metrjcal, Metrkcal, Metriucal, Metri8cal, Metri9cal, Metriocal, Metrijcal, Metrikcal, Metrixcal, Metridcal, Metrifcal, Metrivcal, Metri cal, Metrixal, Metridal, Metrifal, Metrival, Metri al, Metricxal, Metricdal, Metricfal, Metricval, Metric al, Metricqal, Metricwal, Metricsal, Metriczal, Metricql, Metricwl, Metricsl, Metriczl, Metricaql, Metricawl, Metricasl, Metricazl, Metricakl, Metricaol, Metricapl, Metrica:l, Metricak, Metricao, Metricap, Metrica:, Metricalk, Metricalo, Metricalp, Metrical:.