Length Converter

Convert between different length units instantly. From millimeters to light-years, our comprehensive converter handles all your measurement needs. Free, fast, and privacy-friendly.

Quick Conversion

All Units (Real-time Conversion)

Enter a value in any field to see instant conversions in all other units. Click any result to copy it.

Metric System

Imperial System

Special & Scientific Units

What is Length Converter?

TextLap's Length Converter is a powerful yet simple tool that helps you convert between different units of length and distance. Whether you're working with construction measurements, scientific calculations, or everyday conversions, our tool provides instant and accurate results across all major unit systems.

Supported Units

Metric System

  • Millimeters (mm)
  • Centimeters (cm)
  • Meters (m)
  • Kilometers (km)

Imperial/US System

  • Inches (in)
  • Feet (ft)
  • Yards (yd)
  • Miles (mi)

Special Units

  • Nautical Miles (nmi)
  • Light Years (ly)
  • Astronomical Units (AU)
  • Micrometers (μm)

Who is this tool for?

  • Engineers and construction professionals
  • Students and academics
  • Scientists and researchers
  • International travelers
  • Hobbyists working on DIY projects
  • Anyone dealing with different measurement systems

How to use Length Converter

  1. Enter a value in any input field
  2. All other units will be automatically calculated in real-time
  3. Use the "From" and "To" dropdowns for specific conversions
  4. Click on any result to copy it to your clipboard
  5. Use "Clear All" to reset all fields

Key Features

  • Real-time conversion as you type
  • Support for 12+ different length units
  • Both metric and imperial systems
  • Astronomical and scientific units included
  • One-click copy to clipboard
  • Mobile-friendly responsive design
  • Privacy-friendly (all processing happens in your browser)
  • No registration or download required

Common Length Conversions

Everyday Conversions

  • 1 meter = 3.28 feet
  • 1 inch = 2.54 centimeters
  • 1 foot = 12 inches
  • 1 yard = 3 feet
  • 1 mile = 1.609 kilometers

Scientific Conversions

  • 1 light year = 9.46 trillion km
  • 1 AU = 149.6 million km
  • 1 nautical mile = 1.852 km
  • 1 micrometer = 0.001 mm

Why choose TextLap's Length Converter?

  • Most comprehensive unit selection available
  • Instant conversion with no waiting time
  • Highest precision calculations
  • Clean, distraction-free interface
  • Works perfectly on all devices
  • Privacy-friendly with no data collection
  • Completely free with no limits

Frequently Asked Questions

How accurate are the conversions?

Our Length Converter uses precise mathematical formulas and international standard conversion factors. Results are accurate to 10 decimal places for maximum precision in scientific and engineering applications.

Can I convert between any units?

Yes! Our tool supports conversions between all included units, from the smallest (micrometers) to the largest (light years). You can convert between metric, imperial, and special units seamlessly.

Is my data safe?

Absolutely! All conversions happen directly in your browser. No data is sent to our servers, ensuring complete privacy and security for your calculations.

Can I use this tool offline?

Once the page loads, the tool works entirely in your browser and can function without an internet connection. However, you'll need to be online to initially load the page.

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