🌍 Kilometer Calculator
Quickly translate kilometer measurements into other distance units.
Perfect for runners, travelers, and engineers who log distances in kilometers but share them in miles, feet, or nautical miles.
How to Use This Calculator
Enter kilometers
Provide the distance measured in kilometers (km).
Review conversions
See the metric, imperial, and nautical equivalents instantly.
Share the results
Copy the unit that suits your audience or documentation.
Formula
Meters = Kilometers × 1,000
Miles ≈ Kilometers × 0.621371
Feet = Kilometers × 3,280.84
Nautical miles ≈ Kilometers ÷ 1.852
Use the formula breakdown to confirm the calculation logic or perform the conversion manually if needed.
Full Description
The kilometer is the base unit for long distances in the metric system. Converting it to other units keeps everyone aligned when sharing travel itineraries, surveying data, or athletic feats.
This calculator uses precise SI relationships to maintain accuracy across a wide range of distances, from short training runs to long road trips.
Need more units? Try the distance converter to explore astronomical units, light years, and more.
Frequently Asked Questions
Does it support fractional kilometers?
Yes. Enter decimals such as 0.75 km for partial distances.
Can I convert miles back to kilometers?
Divide miles by 0.621371, or use the kilometers to miles calculator.
Are results rounded?
Outputs use unit-appropriate precision. Adjust formatting in code if you need more decimals.
What about centimeters?
Centimeter output is included for quick conversions to smaller metric units.