> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/ladybug-primer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ladybug.tools/ladybug-primer/components/1_analyzedata/relative_humidity_from_dew_point.md).

# Relative Humidity from Dew Point

![](/files/-MihiktnrDZZ05bHkoaq)

![](/files/-Mihiktos3AGCDhK8w9q) - [\[source code\]](https://github.com/ladybug-tools/ladybug-grasshopper/blob/master/ladybug_grasshopper/src//LB%20Relative%20Humidity%20from%20Dew%20Point.py)

Calculate relative humidity from Dry Bulb Temperature and Dew Point Temperature.

### Inputs

* **dry\_bulb \[Required]**

A value or data collection representing dry bulb temperature \[C]

* **dew\_point \[Required]**

A value or data collection representing dew point temperature \[C]

### Outputs

* **rel\_humid**

A data collection or value indicating the relative humidity \[%]