**About Discomfort Index Calculator (Formula)**

The Discomfort Index Calculator is a tool that uses a formula to calculate the discomfort index based on two input values: air temperature and relative humidity. The discomfort index, also known as the heat index or the apparent temperature, is a measure of how hot it feels to the human body under certain weather conditions.

**The formula for calculating the discomfort index is as follows:**

**DI = T – .55 * (1-.01*RH) * (T-14.5)**

**where:**

- DI is the discomfort index
- T is the air temperature in Celsius
- RH is the relative humidity as a percentage

The formula uses the air temperature and relative humidity to calculate the discomfort index, which takes into account the effects of humidity on the body’s ability to regulate its temperature. The index is calculated by adjusting the air temperature based on the relative humidity and then subtracting a constant value.

The formula for the discomfort index was first proposed by R.G. Steadman in 1979 and has since become a widely used measure of the effects of heat and humidity on the human body. It is used by meteorologists and health officials to issue warnings about heat-related illnesses and to help people take appropriate precautions during hot and humid weather.

The Discomfort Index Calculator is a simple tool that can be used to quickly calculate the discomfort index based on the air temperature and relative humidity. By providing this information, the calculator can help people determine how hot it feels outside and take appropriate measures to protect themselves from the effects of heat and humidity.