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Feet to Inches Converter

Feet to Inches Converter

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This converter changes a length value from feet to inches (1 foot = 12 inches) — and can convert between any pair of length units using the selectors below.

Feet to inches is a within-imperial conversion used constantly for height (converting a "5 feet 8 inches" style height into a single number of inches), furniture and room dimensions, and any US/UK measurement expressed with mixed feet-and-inches notation.

This tool goes beyond feet and inches: use the "From" and "To" dropdowns to convert between any combination of millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.

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  • Conversion factor: 1 foot = exactly 12 inches, by definition — this is the one conversion on this page with no rounding at all.
  • Fully flexible: change either dropdown to convert between any two length units — not just feet and inches.
  • Common use case: converting a height like "5 ft 8 in" into a single inches figure (5 × 12 + 8 = 68 inches) for medical, fitness, or sizing calculators that expect one number.

How many inches are in a foot?

1 foot equals exactly 12 inches. To convert feet to inches, multiply the foot value by 12.

How do I convert a height like 5 feet 8 inches to total inches?

Convert the feet portion to inches (5 × 12 = 60), then add the remaining inches (60 + 8 = 68 inches total). This calculator handles the feet-to-inches part of that math.