NWS Weather Calculator
weather.govWeather quantities with linked formulas
SI 80/100
Details
Weather quantities with linked formulas
Desktop unit conversion with custom conversion definitions
Metric and imperial conversion with reference charts
Mechanical engineering training online and in virtual classrooms.
Draw on a phone or tablet with brush tools and translucent photo reference
Draw layered mobile illustrations and short frame animations
Unit conversion across everyday and specialist dimensions
UK forecasts, warning advice and weather maps