What is 3'10" in inches? The answer is that 3 feet and 10 inches equal 46 inches.
The conversion formula for feet to inches is in = ft × 12. Based on this conversion formula, to convert 3 feet and 10 inches to inches, you need to multiply 3 feet by 12 to convert to inches, and then add 10 inches to this result.
3'10" = (3' × 12) + 10"
= 36" + 10" = 46 inches