How Long is the ASVAB?

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Length of ASVAB Tests: Paper vs. Computer

The computer-based ASVAB takes an average of 1.5 hours to complete, while the paper-based exam takes about three hours to complete. Computer tests are given at Military Entrance Processing Station (MEPS) locations. Paper tests are utilized by most Military Entrance Test sites, which are satellite locations used only for test-takers located too far away from a MEPS facility.

ASVAB Subtests

ASVAB subtests are self-paced when taken on a computer, so it is possible that a student may complete the entire ASVAB faster than the total time allotted. For paper-based exams, however, an instructor paces all test-takers by the time allowed for each subtest.

ASVAB SubtestTest Length: Computer-Based Delivery Test Length: Paper-Based Delivery
General Science 8 minutes for 16 questions 11 minutes for 25 questions
Arithmetic Reasoning 39 minutes for 16 questions 36 minutes for 30 questions
Word Knowledge 8 minutes for 16 questions 11 minutes for 35 questions
Paragraph Comprehension 22 minutes for 11 questions 13 minutes for 15 questions
Mathematics Knowledge 20 minutes for 16 questions 24 minutes for 25 questions
Electronics Information 8 minutes for 16 questions 9 minutes for 20 questions
Auto Information 7 minutes for 11 questions n/a
Shop Information 6 minutes for 11 questions n/a
Auto & Shop Information n/a 11 minutes for 25 questions
Mechanical Comprehension 20 minutes for 16 questions 19 minutes for 25 questions
Assembling Objects 16 minutes for 16 questions 15 minutes for 25 questions
Total 154 minutes for 145 questions 149 minutes for 225 questions

Despite the difference in delivery, paper- and computer-based ASVAB versions are designed to measure the same knowledge so an individual's score typically would not vary if they took the test with a different format.

Test Preparation

Test-takers are advised to prepare ahead of time by reviewing sample questions and reading content descriptions for each subtest. To familiarize themselves with ASVAB concepts and subjects, test-takers may also want to take a prep course, like this course offered by Study.com:

This course helps students brush up on the content of all subtests through short, easy-to-follow videos then tests their knowledge of the material with quick quizzes, and practice exams.

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