Length Converter
Type in any field — all others update live
Metric Units
Nanometer (nm)
Micrometer (µm)
Millimeter (mm)
Centimeter (cm)
Meter (m)
Kilometer (km)
Imperial & Special
Inch (in)
Foot (ft)
Yard (yd)
Mile (mi)
Nautical Mile (nmi)
Light Year (ly)
Active Unit
Meters
Centimeters
Feet
Inches
Visual Comparison
Type in any field to start converting.
How it works
Conversion formula: All units are first converted to meters (the base SI unit), then converted to the target unit using the formula:
target_value = input_value × (input_factor / target_factor)