How many inches are in one foot?
One foot contains exactly 12 inches.
Feet to Inches Calculator
Convert length between feet and inches in either direction.
Convert feet and inches
Enter a length and choose the direction.
About this converter
How to use Feet to Inches Calculator, plus the formulas and logic behind the results.
Tool description
Feet and inches are customary length units with exactly 12 inches in each foot.
How to use
- Enter the length value.
- Choose the direction matching the unit you entered.
- Select Calculate to apply the conversion factor.
- Review the result in feet or inches.
Formulas & reference
inches = feet × 12feet = inches ÷ 12
Calculation logic
The value is multiplied or divided by the exact factor 12 according to the selected direction.
Feet to Inches Calculator FAQ
Common questions about this conversion and how to interpret the result.
What is 5 feet in inches?
Five feet equals 60 inches.
What is 18 inches in feet?
Eighteen inches equals 1.5 feet.
Can I enter decimal feet?
Yes. For example, 5.5 feet converts to 66 inches.
Does this show feet and inches notation?
The result reports decimal feet or total inches for the selected direction.
Is the conversion exact?
Yes. The inch-foot relationship is defined exactly.