Weather Tools

Convert rainfall between mm, cm, inches, and feet. Calculate rainwater volume in liters, cubic meters, and gallons for any surface area.

Calculate feels-like temperature using air temperature and humidity. Get instant heat index results in Celsius and Fahrenheit with heat risk levels.

Calculate wind chill and feels-like temperature using air temperature and wind speed. Supports Celsius, Fahrenheit, km/h, mph, m/s, and knots.

Calculate dew point from air temperature and relative humidity. Get instant results in Celsius and Fahrenheit with moisture comfort and condensation insights.

Estimate how far away lightning is using the time between a flash and thunder. Includes a stopwatch, seconds-to-distance conversion, kilometers, miles, and storm safety tips.

Calculate relative humidity, absolute humidity, and water vapor pressure from temperature and dew point. Includes Celsius, Fahrenheit, and interactive moisture indicators.

Instantly convert wind speed between km/h, mph, m/s, knots, and ft/s. Includes a Beaufort wind scale indicator, conversion formulas, and presets.

Instantly convert atmospheric and barometric pressure between hPa, mb, inHg, mmHg, Pa, kPa, atm, and psi. Includes weather references, formulas, and presets.

Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.

Estimate snowfall from liquid precipitation using customizable snow-to-liquid ratios. Compare wet, average, and fluffy snow, with inches, centimeters, feet, and millimeters.

Check UV Index risk levels from Low to Extreme, explore sun exposure guidance, and learn how to protect your skin with an interactive UV scale.