화씨 1도의 온도차는 섭씨 0.556 °도의 온도차와 동일하다.

1. Online calculator: Apparent temperature - https://planetcalc.com/2089/
2. What is Apparent Temperature? - https://meteor.geol.iastate.edu/~ckarsten/bufkit/apparent_temperature.html

• Heat Index

where HI = Heat Index, T = Temperature (F), R = Relative Humidity (%),

c1 = -42.38, c2 = 2.049, c3 = 10.14, c4 = -0.2248, c5 = -0.006838, c6 = -0.05482, c7 = 0.001228, c8 = 0.0008528, and c9 = -0.00000199 (Source).

The source states this is accurate to within +/- 1.3 F.

• Wind chill

where Twc = Wind Chill Temperature, Ta = Atmospheric Temperature (F), and V = Air Speed (mph) (Source).

3. 체감온도 계산하는 법?! : 네이버 블로그 - https://m.blog.naver.com/PostView.nhn?blogId=xstonex&logNo=220581561709&proxyReferer=http:%2F%2Fwww.google.com%2F