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Wind Speed to Pressure Calculator

Easily convert wind speed to pressure with our Wind Speed to Pressure Calculator. Get accurate Pa, kPa, and PSF values instantly. No complex math needed!

kg/m³
Default: 1.225 kg/m³ (at sea level, 15°C)

Ever wondered how wind speed translates into pressure? Whether you're an engineer, builder, or just curious, knowing wind pressure helps in designing safe buildings, predicting weather impacts, and even setting up outdoor events.

To make things easy, we've built a Wind Speed to Pressure Calculator. Just enter the wind speed, and it gives you the pressure in Pascal (Pa), Kilopascal (kPa), and Pounds per Square Foot (PSF). No complex math, just quick and accurate results!

How Wind Speed Turns Into Pressure

Wind is just moving air, but when it hits something, it exerts force. The faster the wind, the more pressure it creates. The basic formula for this is:

P = (1/2) × ρ × V²

Where:

  • P = Wind Pressure (Pa)
  • ρ (rho) = Air Density (kg/m³) (about 1.225 kg/m³ at sea level)
  • V = Wind Speed (m/s)

What This Means in Simple Terms

Think of wind like a strong water hose. A slow trickle doesn’t push much, but a fast jet knocks things over. Wind works the same way speed doubles, pressure quadruples!

Wind Speed to Pressure Conversion Table

Wind Speed (mph)Wind Speed (m/s)Pressure (Pa)Pressure (kPa)Pressure (PSF)
10 mph4.4712.230.01220.255
20 mph8.9448.920.04891.02
30 mph13.41110.030.11002.29
40 mph17.88195.670.19574.08
50 mph22.35305.850.30586.38
60 mph26.82440.550.44059.19
70 mph31.29599.800.599812.52
80 mph35.76783.570.783616.35
90 mph40.23991.880.991920.69
100 mph44.701224.721.224725.53

Quick Facts

  • 100 mph wind creates 1.22 kPa or 25.53 PSF of pressure.
  • 60 mph wind generates 0.44 kPa or 9.19 PSF.
  • Doubling the wind speed quadruples the pressure.

How to Use the Calculator

  1. Enter wind speed in mph, km/h, knots, or m/s.
  2. Adjust air density (if needed, default is 1.225 kg/m³).
  3. Click Calculate to get results in Pa, kPa, and PSF instantly!

The calculator makes it easy for engineers, meteorologists, and DIYers to check wind loads in seconds.

Example: 60 mph Wind Pressure Calculation

Let’s break it down:

P = (1/2) × 1.225 × (26.82)²

P = 440.55 Pa = 0.4405 kPa = 9.19 PSF

In short, a 60 mph wind puts nearly 9.2 PSF of force on walls, roofs, and signs.

Final Thoughts

Wind speed and pressure are connected in a simple but powerful way. With our Wind Speed to Pressure Calculator, you can quickly convert wind speeds into pressure without doing the math yourself. Whether you're planning a construction project or just curious about storm forces, this tool gives you fast, reliable answers.

FAQs

How much pressure does a 100 mph wind create?

A 100 mph wind applies about 1.22 kPa (kilopascal) or 25.53 PSF of pressure.

What is a 20 PSF wind load?

A 20 PSF wind load is roughly equal to a 90 mph wind speed.

How do I convert wind pressure from kPa to km/h?

Use this formula: P (kPa) = (1/2) × 1.225 × (Vₖₘ/ₕ ÷ 3.6)² ÷ 1000

Why is this calculator useful?

It’s great for engineers, architects, and weather experts who need quick, accurate wind pressure values.