Operator supports multiple units of measure:
You can switch your temperature scale between Celsius and Fahrenheit
You can switch your wind velocity scale between feet per second, kilometers per hour, knots, meters per second, and miles per hour
You can switch between air pressures and vapour pressures in pascals, bars, and pounds per square inch.
You can switch between metric (liters and milliliters) and imperial (US gallons, US ounces) units.
You can change these units under 'Preferences'. You can view and set your preferences by selecting 'User account' (user icon in the top right of your screen) and 'Preferences'.