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Length Converter

Convert length and distance between different units including meters, feet, miles, kilometers, and more.

Quick Examples

Enter the length value you want to convert
Select the unit you want to convert from
Select the unit you want to convert to

About This Calculator

This length and distance converter makes it easy to convert between all common units of measurement: • Metric units: kilometers (km), meters (m), centimeters (cm), millimeters (mm) • Imperial/US units: miles (mi), yards (yd), feet (ft), inches (in) • Nautical units: nautical miles (nmi) Perfect for construction projects, travel distance calculations, international recipe conversions, scientific work, or any situation where you need to switch between measurement systems. Simply enter your value, select the original unit and the unit you want to convert to, and get accurate conversions with detailed explanations.

Frequently Asked Questions

How do I convert meters to feet?

To convert meters to feet, multiply the meter value by 3.28084. For example, 5 meters × 3.28084 = 16.4042 feet. Our calculator will perform this conversion precisely and instantly.

How do I convert feet to meters?

To convert feet to meters, multiply the feet value by 0.3048. For example, 10 feet × 0.3048 = 3.048 meters. You can use our calculator for an exact conversion with any value.

What is the difference between a mile and a kilometer?

A mile is an imperial unit equal to 5,280 feet or 1,609.344 meters. A kilometer is a metric unit equal to 1,000 meters or about 0.621371 miles. This means a mile is approximately 1.6 times longer than a kilometer.

What is a nautical mile and when is it used?

A nautical mile is a unit of measurement used in air and marine navigation, and for defining territorial waters. One nautical mile equals 1.852 kilometers or about 1.15078 statute (regular) miles. It is based on the circumference of the Earth, with one nautical mile approximately equal to one minute of latitude.

How do I convert inches to centimeters?

To convert inches to centimeters, multiply the inch value by 2.54. For example, 10 inches × 2.54 = 25.4 centimeters. This is an exact conversion as the inch is defined precisely as 2.54 centimeters in modern measurement systems.

Why do different countries use different measurement systems?

Different measurement systems evolved historically in different regions. The metric system (meters, kilometers) was developed in France during the 1790s as a decimal-based standardized system. The imperial system (feet, miles) evolved from earlier Roman and English measurements. Most countries adopted the metric system during the 19th and 20th centuries due to its simplicity and consistency, but the United States still commonly uses imperial units.