Unit Converter

Convert length, weight, temperature, speed, and CSS units (px ↔ em ↔ rem).

Unit Converter

Result

0.001 km

All conversions

  • km0.001
  • m1
  • cm100
  • mm1000
  • mi0.000621
  • yd1.094
  • ft3.281
  • in39.37

Note: temperature uses exact formulas; other categories use SI base unit factors.