Distance Converter
Why Use Our Distance Converter?
9 Distance Units
Convert between mm, cm, m, km, inches, feet, yards, miles, and nautical miles.
Swap Units
Quickly reverse your conversion with one click using the swap button.
Common Distances
Preset distances like marathon length, Mount Everest height, and Earth's circumference.
Visual Comparisons
See how your distance compares to familiar objects for better perspective.
How to Convert Distance
- 1
Enter the Distance Value
Type the distance you want to convert in the input field. Any positive number works.
- 2
Select Source Unit
Choose the unit you're converting from: mm, cm, m, km, inches, feet, yards, miles, or nautical miles.
- 3
Select Target Unit
Choose the unit you want to convert to from the "To Unit" dropdown.
- 4
View Result
Click "Convert" to see the result. Use "Swap Units" to quickly reverse the conversion direction.
Distance Conversion Chart
| Unit | Kilometers | Meters | Feet |
|---|---|---|---|
| 1 mile | 1.609 km | 1,609.34 m | 5,280 ft |
| 1 kilometer | 1 km | 1,000 m | 3,280.84 ft |
| 1 meter | 0.001 km | 1 m | 3.281 ft |
| 1 foot | 0.0003 km | 0.3048 m | 1 ft |
| 1 inch | 0.0000254 km | 0.0254 m | 0.0833 ft |
| 1 yard | 0.0009 km | 0.9144 m | 3 ft |
| 1 nautical mile | 1.852 km | 1,852 m | 6,076.12 ft |
Supported Distance Units
Millimeter (mm)
One thousandth of a meter. Used for small measurements like paper thickness or electronic components.
Centimeter (cm)
One hundredth of a meter. Common for everyday measurements like height and clothing sizes.
Meter (m)
Base SI unit of length. Approximately the length of one large step.
Kilometer (km)
1,000 meters. Used for road distances, running races, and geographic measurements.
Inch (in)
Imperial unit equal to 2.54 cm. Used in the US for everyday measurements.
Foot (ft)
12 inches or 0.3048 meters. Common for height and room dimensions in the US.
Yard (yd)
3 feet or 0.9144 meters. Used in American football and fabric measurements.
Mile (mi)
5,280 feet or 1.609 km. Standard unit for road distances in the US and UK.
Nautical Mile (nmi)
1,852 meters. Used in maritime and aviation navigation, based on Earth's circumference.
Common Uses for Distance Conversion
Travel Planning
Convert distances between metric and imperial for international trips.
Running & Fitness
Convert 5K, 10K, half marathon, and marathon distances.
Construction & DIY
Convert measurements between metric and imperial for building projects.
Navigation
Convert nautical miles for boating or aviation calculations.
Science & Education
Convert units for physics problems, research, and academic work.
Real Estate
Convert property dimensions and lot sizes between measurement systems.
Frequently Asked Questions
How many kilometers are in a mile?▼
One mile equals approximately 1.60934 kilometers. To convert miles to km, multiply the miles by 1.60934. For example, 5 miles = 8.047 km, and 10 miles = 16.09 km.
How many feet are in a meter?▼
One meter equals approximately 3.28084 feet. Conversely, one foot equals exactly 0.3048 meters. To convert meters to feet, multiply by 3.28084.
How do I convert inches to centimeters?▼
One inch equals exactly 2.54 centimeters (this is a defined relationship). Multiply inches by 2.54 to get centimeters. For example, 10 inches = 25.4 cm, and 12 inches (1 foot) = 30.48 cm.
What is a nautical mile and when is it used?▼
A nautical mile is a unit used in maritime and aviation navigation. One nautical mile equals exactly 1,852 meters or about 1.151 statute miles. It's based on the Earth's circumference - one nautical mile is one minute of latitude.
How do I convert kilometers to miles?▼
Divide kilometers by 1.60934 to get miles, or multiply by 0.621371. For example, 10 km = 6.21 miles, and 100 km = 62.14 miles. A quick mental estimate: multiply km by 0.6.
What's the difference between a statute mile and a nautical mile?▼
A statute mile (regular mile) is 5,280 feet or 1,609.34 meters. A nautical mile is longer at 6,076 feet or 1,852 meters. Nautical miles are used for air and sea navigation.