5 Feet to Centimeters. Multiply The Feet Value (5 ft) by 30.48 to convert Feet into Centimeters. For example: 5 feet = 5 x 30.48 = 152.4 cm. Learn more about 5 ft in cm. 8 Inches to Centimeters. Multiply The Inches (8 in) by 2.54 to convert Inches into Centimeters. For example: 8 inch = 8 x 2.54 = 20.32 cm. Read more about 8 inches in cm. 5 5 Feet to Centimeters. Multiply The Feet Value (5 ft) by 30.48 to convert Feet into Centimeters. For example: 5 feet = 5 x 30.48 = 152.4 cm. Learn more about 5 ft in cm. 2 Inches to Centimeters. Multiply The Inches (2 in) by 2.54 to convert Inches into Centimeters. For example: 2 inch = 2 x 2.54 = 5.08 cm. Read more about 2 inches in cm. 5 Feet Explanation of 3.5ft to Centimeters Conversion. Feet to Centimeters Conversion Formula: cm = ft × 30.48. According to 'feet to cm' conversion formula if you want to convert 3.5 Feet to Centimeters you have to multiply 3.5 by 30.48. Here is the complete solution: 3.5′ × 30.48. =. 106.68 cm. (one hundred six point six eight centimeters) To convert a measurement in inches to one in centimeters, you can use a simple formula. Since one inch is equal to 2.54 centimeters, the formula used to convert inches to centimeters is: centimeters = inches × 2.54. The length in centimeters is equal to the length in inches multiplied by 2.54. For example, here's how to convert 5 inches to u32s9.