Question

If a weather report gives the atmospheric pressure as 31.5 in. of mercury, what is the pressure in kPa?

Answer 1

just do a google search and put 31.5 in Hg to kpa and you will get the answer. Google has a lot of conversion calculators
31.5 inches of mercury =
106.65900 kilopascals

Answer 2

If you need a more academic answer and why is that value and how do you when you don't have google access, let me know I may be able to help you with that too