**Related Resources: fluid flow**

### Air Flow Drag Coefficient Equations and Calculator

**Hydraulic & Pneumatics
**

**Fluids Design and Engineering Data**

Air Flow Drag, Drag Coefficient Equation and Calculators for various shapes and bodies

The drag coefficient (non-dimensional drag) is equal to the drag force divided by the product of velocity pressure and frontal area. The velocity may be that of the object through the air (or any other gas) or the air velocity past a stationary object. Coefficients are given for a number of geometrical shapes and also for cars, airships and struts.

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