What is 6'6" in inches? The answer is that 6 feet and 6 inches equals 78 inches.
The conversion formula for feet to inches is, in = ft × 12. Based on this conversion formula. If you want to convert 6 feet and 6 inches to inches, you need to multiply 6 feet by 12 to convert to inches, and then add 6 inches to this result.
6'6" = (6' × 12) + 6"
= 72" + 6" = 78 inches