Weather & Environment Calculators
Calculate or convert weather-related measurements such as temperature, humidity, wind, rainfall, pressure, altitude and solar conditions. These utilities can help interpret readings and compare units in everyday or educational contexts. They are not forecasts or warnings by themselves; use current official weather information for travel, outdoor work and safety decisions.
Temperature & Humidity
8 toolsTemperature Converter
Convert temperatures between Celsius, Fahrenheit and Kelvin.
Heat Index Calculator
Estimate the heat index from air temperature and relative humidity.
Humidex Calculator
Calculate the humidex from air temperature and water vapor conditions.
Feels Like Temperature Calculator
Estimate apparent temperature using temperature, humidity and wind conditions.
Relative Humidity Calculator
Calculate relative humidity from temperature and moisture conditions.
Dew Point Calculator
Calculate dew point from air temperature and relative humidity.
Wet Bulb Temperature Calculator
Estimate wet-bulb temperature from atmospheric conditions.
Vapor Pressure Calculator
Calculate saturation vapor pressure from temperature.
Actual Vapor Pressure Calculator
Calculate actual vapor pressure from temperature and relative humidity.
Wind & Airflow
5 toolsWind Chill Calculator
Calculate apparent cold temperature from air temperature and wind speed.
Wind Speed Converter
Convert wind speed between common global units.
Beaufort Wind Scale Calculator
Convert wind speed to the Beaufort wind force scale.
Wind Speed from Distance & Time
Calculate average wind speed from distance traveled and elapsed time.
Crosswind Calculator
Calculate the crosswind component from wind speed and direction.
Rainfall & Water
4 toolsRainfall Rate Calculator
Calculate rainfall intensity from precipitation and time.
Rainfall Volume Calculator
Calculate rainfall volume over a specified collection area.
Rainwater Collection Calculator
Estimate rainwater harvesting potential from rainfall and catchment area.
Water Runoff Calculator
Estimate runoff volume from rainfall, area and runoff coefficient.
Pressure & Altitude
5 toolsAtmospheric Pressure Converter
Convert atmospheric pressure between common pressure units.
Altitude from Pressure Calculator
Estimate altitude from atmospheric pressure.
Pressure at Altitude Calculator
Calculate standard atmospheric pressure at a given altitude.
Density Altitude Calculator
Estimate density altitude using pressure, temperature and elevation conditions.
Sea-Level Pressure Calculator
Reduce station pressure to estimated sea-level pressure.
Sun & Solar Conditions
2 toolsSolar Elevation Angle Calculator
Calculate the Sun's elevation angle for a location and time.
Peak Sun Hours Calculator
Estimate peak sun hours from solar energy or equivalent sunshine duration.
Weather & Environment reference tools
Use these calculators for quick planning, education and reference estimates. Weather conditions vary by location and time, and professional applications should use appropriate observations, forecasts, standards and instrument data where required.