Free Online Unit Length Conversions Length ↔ Popular Length Unit Conversions Foot to MileMile to FootYard to FootFoot to YardInch to MeterMeter to InchCentimeter to InchInch to CentimeterMeter to YardYard to MeterKilometer to MeterMeter to KilometerMillimeter to CentimeterCentimeter to MillimeterMile to KilometerKilometer to MileNautical Mile to FootFoot to Nautical Mile ReferencesNIST (US Government)Encyclopaedia Britannica