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Wind Chill
The cooling effect of wind blowing on a surface (i.e. skin)
Formula - Imperial Units (Fahrenheit)
WC = 35.74 + 0.6215T – 35.75(W
0.16
) + 0.4275T(W
0.16
)
Formula - SI Units (Celsius)
WC = 13.12 + 0.6215T
a
– 11.37(V
0.16
) + 0.3965T
a
(V
0.16
)
Variable
Imperial
SI
Temperature
T (°F)
T
a
(°C)
Wind Velocity
W (mph)
V (km/h)
Close
Wind Chill
Imperial Units (°F)
WC = 35.74 + 0.6215T – 35.75(W
0.16
) + 0.4275T(W
0.16
)
WC
= 35.74 + (0.6215 *
T
) – 35.75(
W
0.16
) + (0.4275 *
T
*
W
0.16
)
SI Units (°C)
WC = 13.12 + 0.6215T
a
– 11.37(V
0.16
) + 0.3965T
a
(V
0.16
)
WC
= 13.12 + (0.6215 *
T
a
) – 11.37(
V
0.16
) + (0.3965 *
T
a
*
V
0.16
)
Digits of Precision:
0
.0
.00
.000
.0000
Unit System:
Imperial (°F, mph)
SI (°C, km/h)
Temperature :
°F
Wind Velocity :
mph
Calculate
