Weather calculators
The weather in numbers: formulas from the US National Weather Service and Environment Canada, checked at the source.
Weather
- Wind chillHow cold the wind makes it feel
- HumidexCanada's heat and humidity index
- Heat indexHow hot it feels with humidity
- Dew point and humidityDew point, relative humidity
- Storm distanceLightning, thunder, miles
- Beaufort scaleWind force from 0 to 12
- Rainwater harvestingGallons of rain from a roof
- Cloud baseCumulus height from temperature and dew point
- Temperature by altitudeHow cold is it higher up?
- Degree daysHeating, cooling and growing
- Snow to waterHow much water is in the snow?
Other calculators
- MathScientific, percentages, fractions
- Dates & timeAge, days between dates
- HealthBMI, BMR, calories, running pace
- CookingBread dough, cups to grams, servings
- Home & DIYConcrete, paint, floors, walls, garden
- EverydayFuel cost, unit price, grades
- MoneySales, tips, salary
- TechColors, passwords, binary…
- Random & gamesCoin flip, dice, name picker