ASVAB Prep

Your military life starts with a strong ASVAB score. This guide tells you all about ASVAB prep. Learn how the test is set up. Then make a study plan that works and fits your week.

12 min readUpdated January 2025
MR

Written by Michael Reynolds

Education Specialist | Former Military Entrance Processing Station (MEPS) Test Administrator

1What Is the ASVAB?

ASVAB stands for Armed Services Vocational Aptitude Battery. It is a multiple-choice test. All branches of the U.S. military use it. It decides if you can join and which job you get. The Department of Defense gives the test. It checks your skills in school subjects and job skills.

The ASVAB gives you two kinds of scores. The first is the AFQT (Armed Forces Qualification Test) score. It decides if you can join. The second is your line scores. They decide which military jobs you can get. The Army calls these jobs MOS (Military Occupational Specialties).

Key Point

Your ASVAB scores last for two years. If you do not join in that time, you will need to take the test again. That gives you time to look at your choices. It also means your hard work pays off for a long time.

Two Ways to Take the ASVAB

CAT-ASVAB (Computer)

  • • Taken at MEPS (Military Entrance Processing Stations)
  • • Gets harder or easier to match your skill
  • • 145 questions in 10 subtests
  • • Takes about 2-3 hours
  • • You get results the same day

Paper-and-Pencil (P&P)

  • • Taken at schools and MET (Mobile Examination Test) sites
  • • Same questions for everyone
  • • 225 questions in 8 subtests
  • • Takes about 3 hours
  • • Results may take a few days

2Why ASVAB Prep Matters

Many people think they can take the ASVAB without getting ready. After all, it tests things most people know. This is a mistake. You do not need special training for the ASVAB. But getting ready can change a lot. It can decide if you can join and which jobs you can get.

What Your Score Decides

If You Can Join

Each branch has a lowest AFQT score it takes: Army (31), Navy (31), Marines (32), Air Force (36), Coast Guard (36), and Space Force (36). If you score lower, you cannot join that branch.

Which Jobs You Can Get

Higher scores give you more job choices. Many tech, intel, and special jobs need line scores of 100-110 or more. An okay score and a great score can mean the gap between your dream job and just a few choices.

Bonuses for Joining

Higher scores may get you a bonus for joining. This is most true for tech jobs the military needs a lot. Some jobs pay bonuses of $10,000 to $50,000 or more.

Limits on Retesting

You can take the ASVAB again, but there are rules. After your first test, you must wait one month to retest. After a second retest, you must wait six months. So a low first score could make you wait a long time to join. That is one more reason to get ready.

3The Parts of the Test

The ASVAB has many parts, called subtests. Each one checks a different skill. Know what each part tests. Then you can focus your ASVAB prep on the right things.

AFQT Subtests (Decide If You Can Join)

These four subtests make your AFQT score. It is the most important number for joining:

Arithmetic Reasoning (AR)

Math word problems about real life. Topics include percents, ratios, distance, speed, and time, and basic algebra.

CAT: 15 questions, 55 minutes | Paper: 30 questions, 36 minutes

Word Knowledge (WK)

A word test. You pick words that mean the same thing. You also find what a word means in a sentence.

CAT: 15 questions, 8 minutes | Paper: 35 questions, 11 minutes

Paragraph Comprehension (PC)

A reading test. You read short texts. You find the main idea and figure out what the text hints at.

CAT: 10 questions, 22 minutes | Paper: 15 questions, 13 minutes

Mathematics Knowledge (MK)

Plain math questions about algebra, shapes, and general math ideas. They are not word problems.

CAT: 15 questions, 23 minutes | Paper: 25 questions, 24 minutes

Job Skill Subtests (Decide Which Jobs You Get)

These subtests count toward your line scores. Line scores decide which military jobs you can get:

General Science (GS)

Science about Earth, living things, chemistry, and physics.

Electronics Information (EI)

Electricity, circuits, and parts. Important for tech jobs and jobs fixing things.

Auto & Shop Information (AS)

Taking care of and fixing cars, plus shop tools and how to use them.

Mechanical Comprehension (MC)

How machines and forces work, like levers, pulleys, and gears.

Assembling Objects (AO)

Picturing shapes in your head. You figure out how parts will look when put together.

Verbal Expression (VE)

A score made by adding Word Knowledge and Paragraph Comprehension.

Where to Focus

For most people, the best use of ASVAB prep time is the four AFQT subtests (AR, WK, PC, MK). These parts decide if you can join. They also count in many line scores that decide your job.

4Making Your ASVAB Prep Plan

Good ASVAB prep needs a plan. How much time you need depends on your skills now and the score you want. Most people do well with at least 4-8 weeks of steady study.

Step 1: See Where You Start

Before you start to study, take a full practice test. It shows where you are now:

  • Find weak spots: Which subtests were your lowest? These need the most work.
  • Check your time: Did you run out of time on any part?
  • Look at wrong answers: Did you not know it, or did you make a silly mistake?

Step 2: Set Goals You Can Reach

Your goal score should fit the job you want and your skills now:

AFQT 31-40Just Enough to Join

Enough to join most branches. But you will have far fewer jobs to pick from.

AFQT 50-64Average

Gives you many more job choices. You also have more say in the job you get.

AFQT 65+Best Goal

You can get most jobs. You may get a bonus for joining too. Most people who are serious should aim for this.

AFQT 80+Top Scorer

The most job choices. You may also get extra rewards and chances.

Step 3: Make Your Study Schedule

A little each day beats a lot all at once. A daily study habit you can keep works better than cramming now and then:

30-60

min/day

Daily Study Time

This is the best amount to help you remember. Longer study times help less and wear you out.

4-8

weeks total

How Long to Study

This is enough time to get much better. Take up to 12 weeks if your first score is low.

1

test/week

How Often to Take Practice Tests

Take a full practice test each week. It shows your progress. It also keeps you strong for a long test.

5Study Tips That Work

Some ways to study work better than others. Research backs these tips. They help you get the most from your ASVAB prep time.

Quiz Yourself, Do Not Just Reread

Testing yourself works much better than reading your notes again. Make your brain pull up the answer on its own.

  • Use flashcards for new words and math rules
  • Take practice quizzes often, even on things you just learned
  • Explain ideas out loud, like you are teaching someone

Space Out Your Review

Go over things again with more and more time in between. Do not cram. This helps you remember for a long time, not just a day.

  • Go over new things after 1 day, 3 days, 1 week, then 2 weeks
  • Use apps like Anki that plan your review days for you
  • Spend more time on weak spots, but keep up your strong ones

Practice Your Weak Spots

Do not just practice at random. Find your weak spots and work on them on purpose.

  • Look at every wrong answer to see why you missed it
  • Sort your mistakes: did not know it, silly mistake, or ran out of time
  • Spend 70% of study time on weak spots and 30% on keeping your strong spots

Tips for Each Subject

For Math (AR & MK)

Practice math in your head each day. Learn common math rules by heart. Solve problems step by step and write out your work. Practice turning word problems into math.

For Words and Reading (WK & PC)

Learn 10 new words each day with flashcards. Study word parts, like the start and end of a word. Read hard texts and practice finding the main idea fast.

For Job Skill Parts

Try to understand how things work. Do not just learn facts by heart. Use drawings and pictures. Connect ideas to real things you have seen.

6Test Day Tips

All your ASVAB prep leads to test day. These simple tips will help you do your best when it counts.

The Night Before

  • Get enough sleep: Try for 7-8 hours. When you do not sleep enough, your brain works much worse.
  • Get your papers ready: Have your ID and any papers you need ready.
  • Only a quick review: Do not cram. A short look at key math rules is fine. But do not study hard.

Test Day Morning

  • Eat a good breakfast: Protein and whole grains give you energy that lasts. Do not have too much sugar or coffee.
  • Get there early: Give yourself extra time in case something goes wrong. It also helps you calm down.
  • Wear comfy clothes: Wear layers in case the test room is too warm or cold.

During the Test

1

Read questions with care

Many mistakes come from reading too fast. Take an extra second. Make sure you know what the question asks.

2

Watch your time

If you are stuck on a question, make your best guess and move on. On the CAT-ASVAB, you cannot go back. Spending too long on one question hurts your whole score.

3

Cross out wrong answers

Even if you do not know the answer, crossing out wrong choices gives you a much better chance.

4

Never leave a question blank

You do not lose points for guessing. A smart guess gives you a chance. A blank gets you zero points for sure.

CAT-ASVAB Heads-Up

On the computer test, the first questions in each part count more. That is because the test is figuring out your skill level. Take extra care on the first questions. But do not spend so long that you have to rush the rest.

7Common ASVAB Prep Mistakes to Skip

Learn from other people's mistakes. These are the most common ways people hurt their ASVAB prep.

✗

Thinking the Test Is Easy

Many people think the ASVAB is "just stuff everyone knows," so they do not get ready. But the test covers lots of subjects. To score well, you need to know how the test looks and what is on it.

✗

Cramming Instead of Studying Each Day

Last-minute cramming makes you forget things and feel nervous. Spread your study over weeks, not days. Then it will stick.

✗

Skipping Weak Spots

It is normal to practice what you are good at—it feels good. But your score goes up the most when you work on weak spots, not strong ones.

✗

Not Practicing Like It Is the Real Test

Practicing with no time limit or with lots of breaks does not get you ready for the real thing. Take at least some practice tests with a timer, just like the real test.

✗

Using Old Study Books

The ASVAB has changed over the years. Make sure your study tools match the test today, most of all the CAT-ASVAB.

8Common Questions

How long should I study for the ASVAB?

Most people do well with 4-8 weeks of study, for 30-60 minutes a day. Is math or word knowledge hard for you? Then study for 8-12 weeks. The key is to keep at it—daily practice beats weekend cramming.

Is the ASVAB hard?

It depends on what you already know. The test covers things from middle school to early high school. But there are lots of topics, and the time limit can make it hard. If you get ready the right way, most people can get the score they want.

Can I use a calculator on the ASVAB?

No. You cannot use a calculator on the ASVAB. So you must practice math in your head. Practice making quick guesses. Practice common math like percents and fractions.

What happens if I fail the ASVAB?

There is no pass or fail—you get a score. But what if your score is too low for the branch or job you want? Then you can take the test again. Wait one month after your first test. After later retests, wait six months. Use the wait time to study.

Should I take the ASVAB at school or at MEPS?

If your school offers it, take the school test (the ASVAB CEP). It is good practice, and you do not have to sign up for anything. But for your scores to count, you must take the real test at MEPS or a MET site. Many recruiters say to use the school test to find your weak spots. Then study more before the real test.

What's a good ASVAB score?

It depends on your goals. An AFQT of 50 is average. That means you did better than half of the people in the test group. For the most job choices and a chance at bonuses, aim for 65 or more. Scores above 80 are great. They open almost every job.

Are ASVAB practice tests accurate?

Good practice tests look a lot like the real ASVAB. They cover the same things. But the CAT-ASVAB changes to match your skill. So practice tests can only come close to the real thing. Use practice scores as a rough guide, not an exact guess of your real score.

Ready to Start Your ASVAB Prep?

Start with a free quiz. It has 10 questions. You see why each answer is right. When you want more, Pro opens all 52 tests, 5 timed practice exams and 34 math lessons.

Want everything? See Pro plans