Weather tools
Wet Bulb Globe Temperature (WBGT) Calculator
Calculates the WBGT index, a measure of heat stress that considers temperature, humidity, wind speed, and solar radiation.
Before you use this tool
Use this if
- Calculates the WBGT index, a measure of heat stress that considers temperature, humidity, wind speed, and solar radiation.
- You want a calculation that exposes its formula: WBGT (Outdoors) = 0.7 * Natural Wet-Bulb Temperature + 0.2 * Globe Temperature + 0.1 * Dry-Bulb Temperature (Shade)
- You already have Natural Wet-Bulb Temperature, Globe Temperature, Dry-Bulb Temperature (Shade) values to enter.
Skip this if
- You need an official emergency alert or life-safety instruction.
- You need a certified professional forecast instead of a calculator estimate.
When to use or skip it
Use this if
- Calculates the WBGT index, a measure of heat stress that considers temperature, humidity, wind speed, and solar radiation.
- You want a calculation that exposes its formula: WBGT (Outdoors) = 0.7 * Natural Wet-Bulb Temperature + 0.2 * Globe Temperature + 0.1 * Dry-Bulb Temperature (Shade)
- You already have Natural Wet-Bulb Temperature, Globe Temperature, Dry-Bulb Temperature (Shade) values to enter.
Skip this if
- You need an official emergency alert or life-safety instruction.
- You need a certified professional forecast instead of a calculator estimate.