Miles Per Hour To Knots This conversion of speed (or distance) is made using the formula (Knots (or nautical miles) = MPH (or miles) * 0.86897624)

Enter   MPH or Statute Miles

Calculated Knots Or Nautical Miles =

Knots to Miles Per Hour This conversion of speed (or distance) is made using the formula (MPH (or statute miles) = Knots (or nautical miles) * 1.15077945)

Enter   Knots or Nautical Miles

Calculated MPH or Statute Miles =

True Airspeed (TAS or KTAS) Result can be either Knots or MPH based on consistent entry of the same designation. The formula is (IAS) + (.02 x MSL / 1000).

Enter  Indicated Airspeed

Enter   MSL Altitude

Calculated True Airpeed =