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the smallest measurement in the us
21mm
346.36 square MM.
Because you haven't told us what the measurement is.
Customary Units
21mm x 21mm = 441 square millimeters
12x1.5 or 21mm 12x1.5 or 21mm
0.021m
the smallest measurement in the us
21mm
21MM
2.1 cm 10mm = 1cm
21mm
21mm
346.36 square MM.
27mm x 21mm
G's