Wind Chill Calculator
Wind chill = 35.74 + 0.6215T − 35.75V^0.16 + 0.4275TV^0.1635.74+0.6215×30−35.75×20^0.16+0.4275×30×20^0.16≈17.4°F
Free online tool
Wind Chill Calculator
Enter the air temperature in Fahrenheit and wind speed in mph.
Instant calculation
Wind Chill Calculator
Enter the air temperature in Fahrenheit and wind speed in mph.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter temperature
Type the air temperature in degrees Fahrenheit.
- 02
Enter wind speed
Type the wind speed in miles per hour.
- 03
See wind chill
Calculate to see the effective felt temperature.
The formula
How this calculation works
NOAA wind chill formula. Valid for temperatures at or below 50°F and winds above 3 mph.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
30°F with 20 mph wind — wind chill?
35.74+0.6215×30−35.75×20^0.16+0.4275×30×20^0.16≈17.4°F≈ 17.4°F (feels like)Common questions
Questions about this calculation
What is the Wind Chill Calculator?
The Wind Chill Calculator helps you calculate the felt air temperature considering wind speed. Enter your values and select Calculate to get an instant result.
How is the result calculated?
NOAA wind chill formula. Valid for temperatures at or below 50°F and winds above 3 mph.
Can you show an example?
Example: 30°F with 20 mph wind — wind chill? — ≈ 17.4°F (feels like).
Is my data saved when I use the Wind Chill Calculator?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the Wind Chill Calculator free to use?
Yes. The Wind Chill Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
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