Physics

Bernoulli Equation Calculator

Find downstream pressure using Bernoulli's equation.

Pressure 1 (Pa)

Velocity 1

Velocity 2

Fluid density (kg/m³)

Calculated Output

Pressure 2 (Pa) 85,325

Formula: P₂ = P₁ + ½ρ(v₁² − v₂²)

Step-by-Step Breakdown

1. Values used:

2. Pressure 1 = 101,325 Pa

3. Velocity 1 = 2

4. Velocity 2 = 6

5. Fluid density = 1,000 kg/m³

7. Pressure 2 = 85,325Pa

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The math behind it

P + ½ρv² is constant along a streamline, so faster flow means lower pressure.

Speeding from 2 to 6 m/s in water drops pressure by 16 kPa.

How does this explain lift?

Faster air over a wing has lower pressure, producing upward force.