Convert metric and imperial units

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Learn it Multiply by the conversion factor when changing to a smaller unit and divide when changing to a larger one. 1 inch = 2.54 cm, 1 foot = 12 inches, 1 mile ≈ 1.609 km.

Example: Convert 5 feet to cm.

5 ft = 5 × 12 = 60 in.
60 × 2.54 = 152.4.
5 ft ≈ 152.4 cm.

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