Maximum Range Altitude Calculator

The Maximum Range Altitude is the optimal flying altitude for an aircraft to achieve its maximum horizontal distance (range) on a single fuel load. At this altitude, the lift-to-drag ratio is typically maximized, allowing the aircraft to cover the greatest distance with the available fuel. The formula for the Maximum range altitude  as follows:

Where:

  • is the weight of the aircraft in Newtons (N).
  • is the air density in kilograms per cubic meter (kg/m3).
  • is the wing reference area in square meters (m2).
  • is the zero-lift drag coefficient, which is dimensionless.

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