Well I know 30 cm is 12". 12" * 2 = 24"so 24"=60cm, 12" in half is 6" so it would be 15 cm, 24" + 6" is 30" so 60cm + 15cm is 75cm
30" is 75cm
I just checked, It's 76.2cm
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30
12 Inches in a 'feet'.2.5 cm in an inch.2.5 x 12 = 30 cm
pi*30 cm
30 feet = 914.4 cm
I do not understand why I appear in the question! Anyway, 30 cm / 1 m = 30 cm/100 cm = 3/10