Question

If you know the ratio of inches to centimeters is 1 to 2.54, how can you find the number of centimeters equivalent to 9 inches? What is the relationship between centimeters and inches?

Answer 1

Centimeters  = inches * 2.54

9 inches is equivalent to 9*2.54 = 22.86 centimeters

Answer 2

If its 1 inch to 2.54 cm then you just have to multiply 2.54 by 9 to find how many cm is in 9 inches. 2.45 x 9= 22.86.