Distance Converter
Convert between kilometers, miles, and other distance units
Quick Conversions
How to Use
- âĸ Enter the distance value you want to convert
- âĸ Select the unit you are converting from
- âĸ Select the unit you want to convert to
- âĸ Use the swap button to quickly reverse the conversion
- âĸ Click quick conversions for common distance measurements
Privacy & Security
All distance conversions are performed locally in your browser. No measurements, location data, or usage information are stored or transmitted. Your conversions remain completely private.
About the Distance Converter
Our distance converter makes it easy to convert between metric and imperial distance units. Whether planning international travel, comparing maps from different countries, calculating running distances, or working on projects requiring unit conversions, this tool handles it all. Convert between kilometers, miles, meters, feet, yards, centimeters, inches, nautical miles, and millimeters instantly. See all conversions simultaneously or focus on specific units. Perfect for travelers, athletes, students, and professionals needing quick, accurate distance conversions.
Key Features
9 Distance Units
Kilometers, miles, meters, feet, yards, nautical miles, cm, inches, mm
Instant Conversion
Real-time conversion as you type
Bi-Directional
Convert from any unit to any other unit seamlessly
High Precision
Accurate to 6 decimal places for precise measurements
Common Conversions
Quick access to frequently needed conversions like km to miles
Multiple Results
See your distance in all available units at once
Scientific Notation
Handles very large and very small distances
Copy Results
One-click copy of any converted value
How to Convert Distances
Enter Distance
Type the distance value you want to convert
Select From Unit
Choose the unit you're converting from (km, miles, meters, etc.)
Select To Unit
Choose the unit you want to convert to (or view all units)
View Results
See instant conversion results with high precision
Distance Conversion Tips
- Kilometer to Miles: Quick approximation: 1 km â 0.62 miles (or multiply km by 0.6 for rough estimate)
- Miles to Kilometers: Multiply miles by 1.6 for quick estimate (exact: 1.609344 km per mile)
- Nautical Miles: Used in aviation/maritime - 1 nautical mile = 1.852 km = 1.15078 statute miles
- Marathon Distance: 26.2 miles = 42.195 km = 42,195 meters (remember for race training)
- Meter to Feet: 1 meter â 3.28 feet (useful for altitude, building heights)
- Travel Planning: European road signs show km - convert to miles to estimate travel time
Frequently Asked Questions
How many kilometers are in a mile?
One mile equals 1.609344 kilometers (exact). For quick mental math, you can approximate 1 mile â 1.6 km. To convert miles to kilometers, multiply by 1.609344. To convert kilometers to miles, multiply by 0.621371 (or divide by 1.609344).
What's the difference between a mile and a nautical mile?
A statute mile (regular mile) is 5,280 feet or 1.609 km. A nautical mile is 6,076 feet or 1.852 km, about 15% longer. Nautical miles are used in aviation and maritime navigation because one nautical mile equals one minute of latitude, making map calculations easier.
Why does the US use miles while most countries use kilometers?
The US uses the imperial system (miles, feet, inches) for historical reasons, while most countries adopted the metric system (kilometers, meters, centimeters) for its decimal simplicity. The US officially recognizes metric but hasn't fully transitioned. This is why travelers need conversion tools.
How accurate are the conversions?
Our converter uses official conversion factors accurate to 6+ decimal places. For example, 1 mile = 1.609344 km (exact by international agreement). For most practical purposes (travel, athletics, construction), even 2-3 decimal places is sufficient accuracy.
What's 100 km in miles?
100 kilometers equals 62.1371 miles. This is a common speed limit comparison - 100 km/h is approximately 62 mph. Many European highways have 120-130 km/h limits, which equals roughly 75-80 mph.
How do I convert meters to feet?
Multiply meters by 3.28084 to get feet. For example, 10 meters = 32.8084 feet. This conversion is useful for altitude (Mount Everest: 8,849m = 29,032 feet), building heights, and diving depths.
Why Use a Distance Converter?
In our globalized world, you'll frequently encounter different measurement systems. GPS shows km but your odometer shows miles. Running apps use meters but your treadmill uses miles. International flights give altitude in feet but runway lengths in meters. Rather than memorizing conversion factors or doing mental math, a distance converter provides instant, accurate results. Essential for international travel planning, understanding foreign speed limits, training for races measured in different units, academic or professional work requiring unit conversion, and everyday situations where you encounter unfamiliar distance measurements.