Feet (ft) to Inches (in)

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Feet (ft) to Inches (in) conversion table

Here are the most common conversions for Feet (ft) to Inches (in) at a glance.

Feet (ft) Inches (in)
0.001 0.01200000
0.01 0.12000000
0.1 1.20000000
1 12.00000000
2 24.00000000
3 36.00000000
5 60
10 120
20 240
30 360
50 600
100 1,200
1000 12,000.00000000

Feet (ft) to Inches (in) conversion guide

Feet (ft) to Inches (in) expresses the same length in a different unit. The direction matters: a value given in Feet (ft) is multiplied by the source-to-target factor to obtain Inches (in). Keep the original measurement and its unit together when copying a result into a calculation.

Conversion formula

Value in Inches (in) = value in Feet (ft) × (12). The factor is approximately 12. Derive it by dividing the source unit value in the base unit by the destination unit value in the same base unit.

About these units

Feet (ft): The international customary definition is used. A historical survey-unit definition can differ. One source unit equals 0.3048 meters.

Inches (in): The international customary definition is used. A historical survey-unit definition can differ. One destination unit equals 0.0254 meters.

Worked examples

  • 1 Feet (ft) = approximately 12 Inches (in)
  • 2.5 Feet (ft) = approximately 30 Inches (in)
  • 10 Feet (ft) = approximately 120 Inches (in)

Precision and interpretation

Examples are rounded for display. Keep the unrounded factor for intermediate calculations and round the final answer to match the precision of the original measurement. Extra decimal places do not make a measured quantity more accurate.

Keep length separate from area and volume. A single length conversion factor must not be reused for square or cubic measurements.

Common questions

How do I reverse this conversion?

Divide the target-unit value by the forward factor, or use the inverse converter. Multiplying by the same factor again is not the inverse operation.

Why can the displayed answer differ slightly?

Display rounding and numerical precision can produce a small difference from an exact fractional calculation. For technical work, retain sufficient precision and confirm the unit convention required by the source.

Related conversions

Length unit converters, Area unit converters, Volume unit converters.

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Inches (in) to Feet (ft)

Inches (in) to Feet (ft): find the conversion factor, formula, worked examples, and precision guidance. Compare the inverse and related unit conversions.

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