📏 Length Conversion Table
Comprehensive reference table for converting between metric and imperial length units. Find precise conversion factors for meters, feet, inches, kilometers, miles, and more.
| Unit | Symbol | Meters (m) | Feet (ft) | Inches (in) | Kilometers (km) | Miles (mi) |
|---|---|---|---|---|---|---|
| Millimeter | mm | 1.000e-3 | 3.281e-3 | 3.937e-2 | 1.000e-6 | 6.214e-7 |
| Centimeter | cm | 1.000e-2 | 3.281e-2 | 3.937e-1 | 1.000e-5 | 6.214e-6 |
| Meter | m | 1.0000 | 3.2808 | 39.3701 | 1.000e-3 | 6.214e-4 |
| Kilometer | km | 1,000 | 3,280.84 | 39,370.1 | 1.0000 | 6.214e-1 |
| Inch | in | 2.540e-2 | 8.333e-2 | 1.0000 | 2.540e-5 | 1.578e-5 |
| Foot | ft | 3.048e-1 | 1.0000 | 12.0000 | 3.048e-4 | 1.894e-4 |
| Yard | yd | 9.144e-1 | 3.0000 | 36.0000 | 9.144e-4 | 5.682e-4 |
| Mile | mi | 1,609.34 | 5,280 | 63,360 | 1.6093 | 1.0000 |
| Nautical Mile | nmi | 1,852 | 6,076.12 | 72,913.4 | 1.8520 | 1.1508 |
Millimeter (mm)
Centimeter (cm)
Meter (m)
Kilometer (km)
Inch (in)
Foot (ft)
Yard (yd)
Mile (mi)
Nautical Mile (nmi)
How to Use This Length Conversion Table
Find Your Source Unit
Locate the unit you want to convert from in the leftmost column. Use the search function to quickly find specific units.
Read Across for Conversions
Read across the row to find the equivalent values in other units. All conversion factors are mathematically precise and based on international standards.
Common Length Conversions
Meter to Feet
Multiply by 3.28084
1 m = 3.28084 ft
Kilometer to Miles
Multiply by 0.621371
1 km = 0.621371 mi
Inch to Centimeter
Multiply by 2.54
1 in = 2.54 cm
Use Cases for Length Conversions
🏗️ Construction & Engineering
Convert between architectural plans using different measurement systems. Essential for international construction projects and engineering specifications.
🧵 Textiles & Fashion
Convert fabric measurements, clothing sizes, and pattern dimensions between metric and imperial systems for global fashion industry.
✈️ Aviation & Navigation
Convert distances for flight planning, runway lengths, and navigation coordinates. Critical for international aviation safety.
🔬 Scientific Research
Convert measurements in scientific experiments, research data, and laboratory equipment specifications across different unit systems.
Length Conversion FAQ
What is the most accurate way to convert meters to feet?
Multiply the meter value by 3.28084. This conversion factor is based on the international definition where 1 meter = 3.28084 feet exactly.
How do I convert between metric and imperial length units?
Use the conversion factors in this table. For metric to imperial: multiply by the appropriate factor. For imperial to metric: divide by the factor or use the reverse conversion.
Are nautical miles different from regular miles?
Yes, a nautical mile (1,852 meters) is longer than a statute mile (1,609.34 meters). Nautical miles are used in maritime and aviation for navigation.