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Drag Coefficient

Reference data and engineering information about drag coefficient for fluid mechanics applications.

dragcoefficientCalculator

Overview

The drag coefficient (CDC_D) is a dimensionless number quantifying the drag or resistance of an object in a fluid environment. It depends on the object's shape, orientation, and surface roughness.

Data Table

9 rows
Drag coefficients for common shapes at high Reynolds numbers
shape
Sphere
Half-sphere
Cube
Long cylinder (perpendicular)
Flat plate (perpendicular)
Streamlined body
Airfoil (at best L/D)
Automobile
Sphere (smooth, Re=10⁵)

Source: engineeringtoolbox.com

Notes

  • Values are at standard conditions unless otherwise noted
  • Always verify values for critical applications

References