The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. In the first example the result is 1.5 hours.
The calculator is not a workplace WBGT limit and not a heat-stroke diagnosis. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours.
Enter data and click Calculate.
The calculator uses the numbers you enter. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. In the first example the result is 1.5 hours.
The five form fields are Feels-like heat index, Outdoor exertion minutes, Resting HR after cooling, Age, and Diuretic or beta-blocker use. Hours outdoors means: This is the main result on this page. In the first example it is 1.5 hours. Feels-like heat index means: The first form field. It enters the formula or sits beside the result. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. Outdoor exertion minutes means: The second form field. The calculator is not a workplace WBGT limit and not a heat-stroke diagnosis.
The second example gives 3.0 hours. The third example gives 0.5 hours. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. In the first example the result is 1.5 hours.
The calculator is not a workplace WBGT limit and not a heat-stroke diagnosis.
Enter 28, 90, 72, 42, 0, then click Calculate. A comma in 12.5 is read the same way as a period. Fields on a 0-10 scale are notes and are not the primary result unless this page formula says so.
The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours.
In the first example the result is 1.5 hours. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours.
1.5 hours
The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. In the first example the result is 1.5 hours.
3.0 hours
The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. In the second example the result is 3.0 hours.
0.5 hours
The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. In the third example the result is 0.5 hours.
In the first example the result is 1.5 hours. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours.
With the second set of fields the result is 3.0 hours.
With the third set of fields the result is 0.5 hours.
The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours.
The calculator is not a workplace WBGT limit and not a heat-stroke diagnosis.
This is the main result on this page. In the first example it is 1.5 hours. The first form field. It enters the formula or sits beside the result. The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. The second form field. The calculator is not a workplace WBGT limit and not a heat-stroke diagnosis.
Yes. 12.5 and 12,5 are read the same way.
Outdoor work or exertion minutes divided by 60, so hours. Heat index and heart rate after cooling sit beside that number.
No. The calculator is not a WBGT limit and not a heat-stroke diagnosis.
No. Heat index sits beside the hours. The main result is minutes divided by 60.
Type 90 in the minutes field. The result is 1.5 hours outdoors.
It is a number beside the hours. It does not subtract exertion minutes.
The result is outdoor work or exertion minutes divided by 60. Heat index and heart rate after cooling sit beside those hours. The calculator is not a workplace WBGT limit and not a heat-stroke diagnosis.
Page updated in 2026.
