What is 4'3.5" in inches? The answer is that 4 feet and 3.5 inches equal 51.5 inches.
The conversion formula for feet to inches is in = ft × 12. Based on this conversion formula, to convert 4 feet and 3.5 inches to inches, you need to multiply 4 feet by 12 to convert to inches, and then add 3.5 inches to this result.
4'3.5" = (4' × 12) + 3.5"
= 48" + 3.5" = 51.5 inches