Unit Converter
Inches to Feet Converter
Convert inches to feet and decimal feet. Essential for construction measurements, lumber dimensions, and blueprint reading.
The Short Answer: Divide inches by 12 to get feet. 42 inches = 3.5 feet. 66 inches = 5.5 feet. For blueprint reading: 3 feet 6 inches = 3.5 decimal feet = 42 inches. Construction calculators typically need decimal feet, not feet-and-inches.
The Bottom Line
Most construction calculators (including ours) accept dimensions in decimal feet — but tape measures read in feet and inches. This converter bridges the gap. Enter 5 feet 7 inches and get 5.583 decimal feet for calculator input. Simple math, but getting it wrong by even half an inch on a 50-foot measurement adds up.