Converting feet and inches to decimal feet is a straightforward process essential in various fields like construction and engineering. To perform this conversion, first convert the inches into a decimal by dividing the number of inches by 12, since there are 12 inches in a foot. Then, add this decimal to the number of whole feet to obtain the total in decimal feet. For example, to convert 5 feet 7 inches into decimal feet: divide 7 by 12 to get approximately 0.583, and then add this to 5, resulting in 5.583 feet. This method ensures precise measurements, facilitating accurate calculations in projects requiring exact dimensions.