💧 Humidity Calculator
Calculate relative humidity, absolute humidity, and dew point
📊 Input Values
📊 Results
Relative Humidity
Dew Point
Absolute Humidity
Comfort Level
📚 About Humidity Calculator
What is Humidity?
Humidity is the amount of water vapor present in the air. Relative humidity (RH) is the ratio of the current absolute humidity to the highest possible absolute humidity at that temperature, expressed as a percentage.
Types of Humidity
- Relative Humidity: The percentage of moisture in the air compared to the maximum amount the air can hold at that temperature
- Absolute Humidity: The actual amount of water vapor in the air, measured in grams per cubic meter (g/m³)
- Dew Point: The temperature at which air becomes saturated and water vapor condenses into dew
Comfort Levels
- Too Dry: Below 30% RH - Can cause dry skin, static electricity, and respiratory discomfort
- Comfortable: 30-60% RH - Ideal range for human comfort and health
- Humid: 60-70% RH - May feel sticky and uncomfortable
- Too Humid: Above 70% RH - Can promote mold growth and feel oppressive
Important Notes
- Wind chill only applies to exposed skin and assumes no sun exposure
- Wind chill is only calculated for temperatures at or below 50°F (10°C) and wind speeds above 3 mph
- The formula is based on a human face model at 5 feet above ground
- Proper winter clothing significantly reduces wind chill effects
Frequently Asked Questions
What is a comfortable humidity level?
For most people, a relative humidity between 30% and 60% is comfortable. The ideal range is typically 40-50% RH for indoor environments.
How does temperature affect humidity?
Warm air can hold more moisture than cold air. As temperature increases, the same amount of water vapor results in lower relative humidity. This is why heating indoor air in winter often makes it feel dry.
What is the difference between humidity and dew point?
Humidity is a percentage showing how much moisture is in the air relative to the maximum it can hold. Dew point is the actual temperature at which condensation occurs. Dew point is a more absolute measure of moisture content.