🌡️ Heat Index Calculator

Calculate the "feels like" temperature from heat and humidity.

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📘 How to Use This Tool

Calculate the "feels like" temperature from heat and humidity — useful for hot, humid days.

  1. Enter the current air temperature in °C.
  2. Enter the current relative humidity (%).
  3. Click Calculate to see the heat index — how hot it actually feels.
  4. Try different humidity levels to see how much hotter it feels as humidity rises.

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