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Wind Chill Calculator

How cold does it feel with this wind?

Single calculationv1.0.0Verified 2026-11-01Runs in your browser

Spec sheet

nws_wind_chill_2001 · v1.0.0

Method

NWS wind chill (2001)

01WC = 35.74 + 0.6215T − 35.75V^0.16 + 0.4275T·V^0.16
02T in °F (≤ 50), V in mph (≥ 3)

Limits — read before relying on it

Defined for temperatures at or below 50 °F (10 °C) and winds of at least 3 mph (4.8 km/h).

Sources

NWS — Wind Chill Chart and formula (2001) ↗standard

Worked example

computed by the same formula

0 °F with 15 mph wind

Inputs

Air temperature: 0
Unit: °F / mph
Wind speed: 15

Result

Wind chill: -19 °F
Wind chill: -28.6 °C

Questions

How is the wind chill calculated?

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NWS wind chill (2001). WC = 35.74 + 0.6215T − 35.75V^0.16 + 0.4275T·V^0.16 · T in °F (≤ 50), V in mph (≥ 3)

Example: 0 °F with 15 mph wind?

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Wind chill: -19 °F; wind chill: -28.6 °C.

What does this calculator not cover?

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Defined for temperatures at or below 50 °F (10 °C) and winds of at least 3 mph (4.8 km/h).

Where do the numbers come from?

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Sources: NWS — Wind Chill Chart and formula (2001). The formula is versioned (nws_wind_chill_2001 v1.0.0) and covered by automated tests.

Is my data stored?

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No. The calculation runs in your browser and nothing is sent unless you choose to save a shareable link.

Also searched aswind chill calculator · wind chill chart · feels like cold · wind chill formula · how cold does it feel with wind

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