When measuring lengths, it is sometimes necessary to convert between inches and centimeters. Centimeters are a metric length unit used around the world except in the United States, Liberia and Myanmar. One centimeter equals 0.3937 inches. Inches are often used for larger measurements, while centimeters are used for shorter items and in cases where accuracy is very important. Centimeters provide a more precise measurement, as the increments within a centimeter (millimeters) are smaller than the increments within an inch.
Instructions
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1
Measure an item in inches.
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2
Multiply the number of inches by 0.3937. The product is the measurement in centimeters.
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3
Round the product to the nearest centimeter for an approximate measurement. For a precise measurement, do not round.