Length Conversion Length Conversion Tool Length Conversion Tool Kilometers (km) Meters (m) Centimeters (cm) Miles (mi) Yards (yd) Feet (ft) Inches (in) Nautical Miles (nmi) Millimeters (mm) Micrometers (μm) Nanometers (nm) Reset All Note: Converted lengths are rounded to 6 decimal places. Actual results may vary slightly due to rounding differences.