How to use this converter
Enter a value in miles to calculate kilometers. Results update as you type. You can swap the direction and choose the displayed precision.
Conversion formula
value × 1.609344 = result
Here the starting unit is Miles (mi) and the result is in Kilometers (km). The calculator uses the catalog’s full factors before rounding the displayed result.
Worked examples
- 1 mi ≈ 1.609344 km
- 10 mi ≈ 16.09344 km
- 100 mi ≈ 160.9344 km
Available length options
Meters (m) · Feet (ft) · Kilometers (km) · Miles (mi) · Centimeters (cm) · Inches (in) · Millimeters (mm) · Yards (yd) · Nautical miles (nmi) · Micrometers (µm) · Nanometers (nm) · Angstroms (Å) · Astronomical units (au) · Light-years (Julian) (ly) · Fathoms (fathom) · Chains (ch) · Furlongs (fur) · Mils (mil)
Frequently asked questions
Why can displayed results differ slightly?
Numeric results are rounded for display. Increase the precision setting to see more digits. Different unit conventions can also produce different results; check the complete unit label.
Can I convert in the opposite direction?
Use the swap control to reverse the selected units or bases.
Related tools
All length units · Browse all converters · cm to inches · mm to inches · meters to feet · km to miles · cm to feet · inches to feet · meters to yards · inches to cm · inches to mm · feet to meters · feet to cm · feet to inches · yards to meters