🌡️ Heat Index Calculator

What is Heat Index Calculator?

Find out what the temperature really feels like with our Heat Index Calculator. Uses the Rothfuss regression equation to compute the heat index from temperature and relative humidity. Features a visual thermometer, danger level categories (Normal to Extreme Danger), health advisory messages, and a comparison bar showing actual vs feels-like temperature. Switch between manual input and live city data.

How to Use

1. Choose Manual mode to enter temperature and humidity, or Live mode to fetch from a city
2. Adjust the sliders to see the heat index update in real-time
3. Check the danger level and health advisory
4. Toggle between °F and °C

Frequently Asked Questions

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