Tributary line load

Most used

• µmMicrometre (micron)
• mmMillimetre
• cmCentimetre
• mMetre
• kmKilometre
• nmiNautical mile (international)
• inInch
• ftFoot
• ydYard
• miMile (statute)

More: SI

• dmDecimetre

More: US customary and imperial

• µinMicroinch
• milMil (thou)
• ftmFathom
• shackle (15 ftm)Shackle of chain (15 fathoms, 90 ft)
• chChain (Gunter's, international foot)

More: US customary

• ft (US survey)US survey foot
• mi (US survey)US survey mile
• cable (US)Cable's length (US, 120 fathoms)
• ch (US survey)Chain (US survey)

More: Industry units

• cable (0.1 nmi)Cable (international, 0.1 nmi)
• shackle (27.5 m)Shackle of chain (metric, 27.5 m)