What Is the Feet to Inches Calculator?
The Feet to Inches Calculator is a simple, universal unit conversion tool that turns a length measured in feet into its equivalent in inches. Both feet and inches are imperial units of length used widely in the United States and the United Kingdom for measuring height, room dimensions, fabric, and more. Because one foot is defined as exactly 12 inches, the conversion is exact and applies anywhere in the world.
How to Use It
Enter the length in feet in the input box. Decimals are allowed, so you can convert values like 5.5 feet. Click calculate and the tool instantly returns the equivalent number of inches. No rounding error is introduced because the multiplier is a whole number.
The Formula Explained
The conversion uses one constant relationship:
$$\text{inches} = \text{feet} \times 12$$
Since each foot contains exactly 12 inches, you simply multiply the number of feet by 12. To go the other direction, divide inches by 12 to get feet.
Worked Example
Suppose you have a board that is 6 feet long and want to know its length in inches. Multiply: $$6 \times 12 = 72 \text{ inches}.$$ For a height of 5.5 feet: $$5.5 \times 12 = 66 \text{ inches}.$$
FAQ
How many inches are in a foot? Exactly 12 inches make up one foot.
How do I convert inches back to feet? Divide the number of inches by 12. For example, \(36 \div 12 = 3\) feet.
Can I enter decimal feet? Yes. The calculator accepts decimal values, so 7.25 feet correctly converts to 87 inches.
