What is 3'7" in inches? The answer is that 3 feet and 7 inches equals 43 inches.
The conversion formula for feet to inches is, in = ft × 12. Based on this conversion formula. If you want to convert 3 feet and 7 inches to inches, you need to multiply 3 feet by 12 to convert to inches, and then add 7 inches to this result.
3'7" = (3' × 12) + 7"
= 36" + 7" = 43 inches