Wind Velocity Calculator

Ever wondered how fast the wind is blowing around you? Wind speed affects many things. It moves ships, planes, and even changes how safe a tall building is. That’s why we built this simple Wind Velocity Calculator. You don’t need to be an engineer. You’ll only enter force, air density, and surface area. The tool gives you the exact wind velocity in seconds.

What is Wind Velocity?

Wind velocity means the speed at which wind moves in one direction. In short, it’s the rate of change of position of air over time. If you’ve felt a strong gust push against your body, that’s wind force. The velocity shows how fast that air is moving.

The Wind Velocity Formula

The calculator uses a formula from NASA’s Beginner’s Guide to Aeronautics. It’s simple:

Vw = √(2 × F / (ρ × A))

Where:

• Vw is wind velocity (m/s)
• F is wind force (N)
• ρ is air density (kg/m³)
• A is surface area (m²)

You take two times the wind force. Divide it by the product of air density and surface area. Then, take the square root. That gives you wind speed in meters per second.

How to Calculate Wind Velocity

Let’s try a real example.

Force = 85 N

Air Density = 1.225 kg/m³

Area = 30 m²

Step 1: Multiply force by 2 → 2 × 85 = 170

Step 2: Multiply density and area → 1.225 × 30 = 36.75

Step 3: Divide → 170 ÷ 36.75 = 4.62

Step 4: Take square root → √4.62 = 2.15 m/s

So the wind is moving at about 2.15 meters per second. That’s a gentle breeze.

How to Use Our Wind Velocity Calculator

1. Enter the wind force.
2. Enter air density. Use 1.225 if you’re unsure.
3. Enter the surface area.
4. Choose the unit for your result (m/s, mph, knots, etc.).
5. Hit calculate. The tool gives instant results with steps.

You don’t need advanced math. The calculator does all the work.

Final Verdict

Wind speed is more than a number. It shows how much power nature carries. With this tool, you’ll see how strong the wind is in your area. Whether you’re checking weather, flying drones, or studying physics, this calculator makes it quick and clear.

FAQs

How to calculate wind velocity?

You’ll use the formula Vw = √(2F / (ρ × A)). Or just use our calculator.

How much force is 70 mph wind?

A 70 mph wind can push with great force, often enough to damage roofs and trees. The exact force depends on the surface area.

How many mph is 50 knots wind?

50 knots equals about 57.5 mph. That’s storm-force wind.

Can I use my phone to measure wind speed?

Yes, some apps use your phone’s microphone or sensors. But for accuracy, you’ll want a proper anemometer.