Feet to Inches Converter
Feet to inches is the one conversion that is exact and needs no rounding: twelve inches to the foot, by definition.
How the math works
inches = feet x 12. A decimal foot converts the same way: 5.75 feet is 5.75 x 12, which is 69 inches. If your measurement is written as feet and inches already, multiply only the feet part and add the inches back on.
Common questions
- How many inches are in a foot?
- Exactly 12. It is a definition rather than a measurement, so there is no rounding anywhere in this conversion and no version of it that disagrees.
- How do I convert 5 feet 9 inches to inches?
- Multiply the feet and add the inches: 5 x 12 is 60, plus 9, which is 69 inches. Heights are the usual reason to do this, and a height in plain inches is what most medical and fitness formulas expect.
- What is 0.5 feet in inches?
- Six inches. Any decimal foot works the same way: 0.25 feet is 3 inches, 0.75 feet is 9 inches, and 0.1 feet is 1.2 inches, which is the one that surprises people.
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