Length Unit Converter

Easily convert between different length units including inches, centimeters, feet, meters, and more.

How to Use This Length Unit Converter

Our calculator instantly converts between different length measurement units. Simply enter a value in either field to see the conversion. You can select different units from the dropdown menus to convert between any supported units.

Common Length Unit Conversions

Here are some of the most common length unit conversions:

  • 1 inch = 2.54 centimeters
  • 1 foot = 12 inches = 30.48 centimeters
  • 1 yard = 3 feet = 36 inches = 91.44 centimeters
  • 1 meter = 100 centimeters = 39.37 inches
  • 1 centimeter = 10 millimeters = 0.3937 inches

When to Use Different Units

Different industries and countries use different measurement systems:

  • Inches/Feet/Yards - Commonly used in the United States for everyday measurements
  • Centimeters/Meters - Standard in most countries and in scientific contexts
  • Millimeters - Often used in engineering and manufacturing for precision

Common Length Conversions

UnitEquivalent
1 inch2.54 cm
1 foot30.48 cm
1 yard91.44 cm
1 cm0.3937 inch
1 m39.37 inch
5 inch12.7 cm
10 inch25.4 cm
12 inch30.48 cm
24 inch60.96 cm
36 inch91.44 cm
100 cm39.37 inch
150 cm59.06 inch
180 cm70.87 inch
1 mm0.03937 inch
10 mm0.3937 inch

Tips for Accurate Conversions

When converting between units:

  • For precise measurements, always use the exact conversion factors
  • Remember that 1 inch is exactly 2.54 centimeters by definition
  • When converting feet to meters, note that 1 foot equals 0.3048 meters exactly
  • For rough estimates, you can use 1 inch ≈ 2.5 cm and 1 foot ≈ 30 cm

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