1 mm - Width of a hair, 2.5 cm - One inch, 10 cm - 0.1 Metre, 100 cm - 1 Metre, 1.83 Metre - Mikeys' Height, 1 cm - 0.01 Metres, 10 mm - 1 cm, 18 cm - Length of a Pencil, 200 cm - Height of a door,

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