Take the number in centimeters and multiply it by .39. (For example, a 60cm long baby x .39 = about 23 inches long).
Find the number in centimeters when you know the number of inches by multiplying that by 2.54. (For example, a 24 inch baby x 2.54 = about 61 centimeters)
Know that the conversion rate is 2.54cm to 1 inch. With this rule, 5.08cm are equal to 2 inches, 7.62cm equal 3 inches. This can be a quick and efficient way to measure common distances.
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