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Convert 21 cm to mm

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21 cm = 210 mm
Reverse: mm to cm
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1 cm 2 cm 2.54 cm 5 cm 10 cm 12 cm 18 cm 19 cm 20 cm 22 cm
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26 cm 30 cm 36 cm 40 cm 50 cm 60 cm 74 cm 90 cm 100 cm 200 cm 1000 cm