For wind speeds: 1 knot = 1.15 mph. A knot is also known as a nautical mile-per-hour.
To convert barometric pressure from millibars (metric) to inches of mercury (what's usually seen on air), take the millibar reading and divide by 33.863. So 1015 mb = 29.97 inches of mercury.
And of course, for those that missed our earlier article, to convert Celsius to Fahrenheit, multiply C by 1.8, then add 32.
For More Information: