Wind chill
Used on the ASP and CHST. The worked example below is computed by code and checked against the source.
WC = 35.74 + 0.6215T − 35.75V^0.16 + 0.4275T × V^0.16
T = air temperature in °F; V = wind speed in mph.
Worked example
T = 20°F, V = 15 mph.
35.74 + 12.43 − 55.14 + 13.19 = 6°F
Where it appears on the exam
ASP: ASP11 Domain 1, Mathematical Calculations
Blueprint: ASP11 Domain 1, task 6: climate and environmental conditions (wind chill)
CHST: CHST5 Domain 1, Hazard and Risk Identification and Control
Blueprint: CHST5 Domain 1, knowledge 22: working in extreme climates
Practice: Heat Index, WBGT and Wind Chill
Source
The formula comes from
NOAA/National Weather Service: Wind Chill calculation(opens weather.gov in a new tab)“WindChill = 35.74 + (0.6215 × T) − (35.75 × Wind sfc^0.16) + (0.4275 × T × Wind sfc^0.16) [T in °F, wind speed in mph]”
Questions
- What is the formula for wind chill?
- WC = 35.74 + 0.6215T − 35.75V^0.16 + 0.4275T × V^0.16. T = air temperature in °F; V = wind speed in mph.
- Will this formula be given on the BCSP exam?
- BCSP says the formula is included in the question whenever one is needed, unless the question is testing whether you know the formula. You can't bring a formula sheet into the exam, so learn what each formula does and when to use it.
BCSP on formulas at the exam
BCSP, What to Expect When Sitting for a BCSP Exam (item 7)(opens bcsp.org in a new tab)“For any question requiring a mathematical formula, the formula will be included within the exam question (unless the question is specifically testing your knowledge of a formula). You will not be provided or permitted to bring a formula sheet.”
Related
- NIOSH recommended weight limit (U.S. units)
- Wet bulb globe temperature (WBGT)
- ASP formula sheet
- CHST formula sheet
Checked 2026-10-16. Spot a problem? Email hello@passcited.com.