What is 4'9" in inches? The answer is that 4 feet and 9 inches equals 57 inches.
The conversion formula for feet to inches is, in = ft × 12. Based on this conversion formula. If you want to convert 4 feet and 9 inches to inches, you need to multiply 4 feet by 12 to convert to inches, and then add 9 inches to this result.
4'9" = (4' × 12) + 9"
= 48" + 9" = 57 inches