Heat Index Calculator
Calculate the heat index (feels-like temperature) based on temperature and relative humidity.
21.0Kuses
8.5/10(410)
Heat Index (Feels Like)
100°F
38°C
Danger Level
Extreme Caution
Health Effects
Heat cramps and heat exhaustion possible
Features
- NWS Rothfusz regression formula
- Fahrenheit and Celsius support
- Danger level with health effects
- Adjustable humidity slider
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Disclaimer: This tool is provided as-is for informational and educational purposes only.