Your full guide to getting ready for the ASVAB (Armed Services Vocational Aptitude Battery). Maybe you want a certain military job. Maybe you want the highest AFQT score you can get. Either way, this study guide has all you need to know.
The ASVAB (Armed Services Vocational Aptitude Battery) is a multiple-choice test. The United States Military Entrance Processing Command gives it. It checks your skills in many areas. It decides if you can join the U.S. military.
The ASVAB has two main jobs:
The ASVAB has nine subtests. Each one has its own time limit. Each checks different skills. Each also counts toward composite scores (scores made by adding some subtests together) that decide which jobs you can get.
Tests what you know about science: matter, Earth, and living things.
16 questions | 8 minutes (CAT) | Topics: Living things, chemistry, physics, Earth science
Checks if you can solve word problems with basic math.
16 questions | 39 minutes (CAT) | Topics: Basic math, percents, ratios, time and distance
Tests if you know what words mean.
16 questions | 8 minutes (CAT) | Topics: Words that mean the same, word meanings
Checks if you can understand short texts and figure out what they mean.
11 questions | 22 minutes (CAT) | Topics: Main idea, reading between the lines, clues from the text
Tests math ideas and how to use them.
16 questions | 20 minutes (CAT) | Topics: Algebra, shapes, basic trigonometry (triangle math)
Tests how well you understand electricity and electronics.
16 questions | 8 minutes (CAT) | Topics: Circuits, Ohm's law, electronic parts
Tests what you know about fixing cars and working with wood and metal.
11 questions | 7 minutes (CAT) | Topics: Engines, tools, repair steps
Checks how well you know how machines and forces work.
16 questions | 20 minutes (CAT) | Topics: Levers, pulleys, gears, force, pressure
Tests if you can picture how parts fit together.
16 questions | 16 minutes (CAT) | Topics: Puzzles, joining shapes, picturing shapes in your head
The AFQT (Armed Forces Qualification Test) score is the most important number on your ASVAB results. It decides if you can join the military. Your AFQT score comes from four subtests:
AFQT = AR + MK + (2 × VE)
VE (Verbal Expression) = WK + PC scores added together
Your raw score is turned into a percentile from 1-99. It shows how you did next to a big group of test takers from across the country, ages 18-23.
| Branch | High School Diploma | GED |
|---|---|---|
| Army | 31 | 50 |
| Navy | 31 | 50 |
| Air Force | 36 | 65 |
| Marine Corps | 32 | 50 |
| Coast Guard | 40 | 50 |
| Space Force | 36 | 65 |
These are the lowest scores to join. But many good jobs need much higher scores. Aim for an AFQT of at least 50 to have good job choices. Aim for 65 or more for tech jobs that are hard to get.
How long you should study depends on what you know now and the score you want. Here are some good study plans:
2-4 Weeks
For people who did well in school and just need a quick review.
6-8 Weeks
Best for most people. Gives you time to cover every area well.
10-12 Weeks
For people who have been out of school a while or need to get much better.
Check Your Level & Basics: Take a practice test to find weak spots. Go over basic math. Start learning new words.
Word Skills: Work on Word Knowledge and Paragraph Comprehension. Learn word parts, like the start and end of a word.
Math Focus: Arithmetic Reasoning word problems and Mathematics Knowledge ideas. Practice algebra and shapes.
Job Skill Parts: General Science, Electronics, Mechanical Comprehension. Focus on the parts that matter for the jobs you want.
Practice Tests: Take full practice tests with a timer. Look closely at every wrong answer.
Last Review: Work on spots that are still weak. Take a quick look at your strong spots. Rest the day before the test.
Do not just read notes—test yourself all the time. After you learn an idea, close your books. Try to explain it from memory. Use flashcards and practice questions. Do not just read the same thing again.
Go over things again with more and more time in between. Study something today. Review it tomorrow, then in 3 days, then a week later. This helps you remember for a long time. It works much better than cramming.
It is easy to study what you are already good at. But your score goes up the most when you fix weak spots. Spend 60-70% of your study time on your weakest subtests.
Take practice tests with a strict time limit in a quiet place. This helps you learn a good speed. It also makes you less nervous on test day. Do not pause. Do not use a calculator (for paper test prep). Do not look up answers until you finish.
When you miss a question, do not just look at the right answer. Find out why your answer was wrong. Find out why the right answer is right. This keeps you from making the same mistake again.
Many people waste time on things they already know. Take a practice test first. It shows your real weak spots.
The AFQT decides if you can join. But the other subtests decide which jobs you can get. Do not skip the job skill parts if you want a certain military job.
Last-minute cramming makes you more nervous and hurts your score. Studying a little each day for weeks works much better than one long night.
The ASVAB has a time limit. If you do not practice with a timer, you may run out of time on test day. Then you leave questions blank.
You do not lose points for wrong answers. Always guess if you are not sure—you have at least a 1 in 4 (25%) chance to get it right.
Some practice tests are too easy or too hard. Use ones you can trust that are as hard as the real ASVAB.