My Nephew has just taken the AFQT. How do I convert the categories into Air Force categories?

MSgt Robert Pellam there seems to be a couple of things going on here. First, the recruiter is going for a hard sell. He's trying to leverage the desire to know the score into a hasty decision and commitment (bad recruiter - no doughnut for you). However, there is a kernel of truth to the job availability /MEPS claim. The AF recruiter doesn't have access to the currently available jobs. That is the role and purview of the MEPS Job Counselor, and they hold them close to the vest. So, in order to know what job is available, it is true that he would have to enter the lions den at MEPS. However, any 1st year recruiter should be able to take the ASVAB scores and show the test score required to qualify for each job. That will allow the applicant to see what he/she has opened up test wise. It is very important to remember that scores are only one part of the puzzle. There is also the medical qualification (MEPS Physical resulting in a PULHES) that must be met for each AFSC as well. A quick interweb search reveals many pages that show the test score needed for AFSCs ... I recommend About.Careers. Rod Powers does an amazing job compiling and moderating that area. You can find a breakdown of the PULHES codes there as well.

If your nephew took the ASVAB at his high school, I am sure the scores are available to the Air Force recruiter responsible for that school. Unless things have changed since my days as an enlisted recruiter, he/she is responsible for contacting all qualified testers. To contact the recruiter, simply visit this website and enter the zip code of the school and for education level choose high school student or graduate. The name, address and phone number and email for the assigned recruiter will pop up on the screen.
Just to let you know. Talking about jobs and being qualified for those jobs are two different things. This is the main reason recruiters want to process people so the applicant(that is ready to join) can see exactly what they are qualified for according to their mental and physical evaluations. Air Force availability of jobs also differs on a week to week basis. This is a fact most people are clueless about. As a recruiter, we are taught to fill the needs of the Air Force with qualified applicants that are READY TO JOIN the Air Force. If a particular job is available prior to attending Basic Training that can be guaranteed to them, that is icing on the cake, otherwise the Mechanical, General and Electronic aptitude areas might be the only options to guaranteed jobs.
Your recruiter should be able to tell you more as well as keep you apprised of any new changes in procedure, qualifications, etc.

Good Luck and Aim High, Air Force!

Original scores should have been in his MEPS packet, and the same test is used for all services. They just use different formulations for the line scores in order to determine eligibility for certain MOSs. He might have it in his personnel jacket. If not, they can be looked up in RCMS.
Any recruiter would have access to look them up as well.
Not sure why this guy is giving the run-around. Methinks he is lazy.
I'd try a different office.