How this compares to the real test: the CAT-ASVAB is adaptive and is scored with item statistics, not by counting right answers. This practice form uses the real subtest order, question counts and time limits, but every student sees the same questions, so your AFQT here is an estimate shown as a range.
ASVAB Full Practice Exam
A full-length ASVAB practice test built like the computer version given at MEPS (the CAT-ASVAB): all 10 subtests in the official order, with the official number of scored questions and time limit for each (135 questions, 197 minutes). The real CAT-ASVAB is adaptive: it picks harder or easier questions based on your answers and does not let you go back. This fixed form gives every test taker the same questions, easy to hard within each subtest, and lets you review within a subtest. Your results show percent correct for each subtest and an estimated AFQT range, not an official score.
Exam Structure
General Science — GS
15 questions · 12 minutes
Life science, earth and space science, chemistry and physics. 15 questions, 12 minutes.
Arithmetic Reasoning — AR
15 questions · 55 minutes
Word problems: rates, fractions, percents, ratios, averages and probability. No calculator. 15 questions, 55 minutes. Counts toward the AFQT.
Word Knowledge — WK
15 questions · 9 minutes
Choose the word closest in meaning, alone or in a sentence. 15 questions, 9 minutes. Counts toward the AFQT.
Paragraph Comprehension — PC
10 questions · 27 minutes
Read short passages and answer questions about main idea, details and inferences. 10 questions, 27 minutes. Counts toward the AFQT.
Mathematics Knowledge — MK
15 questions · 31 minutes
Number properties, algebra and geometry. No calculator. 15 questions, 31 minutes. Counts toward the AFQT.
Electronics Information — EI
15 questions · 10 minutes
Current, voltage, resistance, circuits and components. 15 questions, 10 minutes.
Auto Information — AI
10 questions · 7 minutes
Engines, drivetrain, brakes and vehicle systems. 10 questions, 7 minutes.
Shop Information — SI
10 questions · 6 minutes
Tools, fasteners, materials and shop practices. 10 questions, 6 minutes.
Mechanical Comprehension — MC
15 questions · 22 minutes
Forces, levers, pulleys, gears and fluids. 15 questions, 22 minutes.
Assembling Objects — AO
15 questions · 18 minutes
Picture how shapes connect or fit together. On this practice test, shapes may be turned but never flipped, which is how the official sample questions behave. 15 questions, 18 minutes.
Total time: 3h 17m. Each section has its own timer and is completed back-to-back.
Exam tools: a question navigator and review screen, flags, answer strike-through, a highlighter for stimuli. Your progress saves on this device, so you can refresh or come back later; the clock keeps running while you are away, as on test day.
About the CAT-ASVAB
Real Test Structure
- • 10 subtests, 135 scored questions, 197 minutes of subtest time
- • Taken on a computer at MEPS and most MET sites
- • Adaptive: a right answer usually leads to a harder question
- • You cannot go back to a question once you answer it
- • Some questions may be unscored tryout items; treat every question as scored
- • No calculator; scratch paper is provided
Scoring
- • Each subtest is reported as a standard score (mean 50, SD 10)
- • AFQT = AR + MK + 2 × VE (a weighted blend of WK and PC), as a 1–99 percentile
- • The AFQT is a percentile, not percent correct
- • CAT scores depend on which questions you answer correctly, so any practice-test AFQT is an estimate
- • Line scores for jobs combine other subtests; minimums vary by service, so confirm with a recruiter
This full-length practice exam mirrors the real test’s sections, timing, and question mix so you can rehearse pacing and stamina before exam day. Every question is scored instantly with an explanation, and your results feed into your score prediction. For the most realistic read on where you stand, take it in one timed sitting.
About the ASVAB exam
The Armed Services Vocational Aptitude Battery (ASVAB) is the test every U.S. military applicant takes, and roughly a million people a year sit for it, including high school students in the Career Exploration Program. At a Military Entrance Processing Station it is given as the CAT-ASVAB, a computer-adaptive test of ten subtests: General Science, Arithmetic Reasoning, Word Knowledge, Paragraph Comprehension, Mathematics Knowledge, Electronics Information, Auto Information, Shop Information, Mechanical Comprehension and Assembling Objects. The test adapts as you go: a correct answer usually leads to a harder question and a miss to an easier one, and you cannot go back to a question once you have answered it. Four subtests matter most. Arithmetic Reasoning, Mathematics Knowledge, Word Knowledge and Paragraph Comprehension make up the Armed Forces Qualification Test (AFQT), the percentile score that decides whether you can enlist; verbal skills count twice in it. The other subtests feed the line scores (composites) each service uses to match you to jobs, such as the Army GT score or the Air Force Mechanical, Administrative, General and Electronics scores. No calculator is allowed, which is where many test-takers lose points: fractions, percents, rates and basic algebra all have to be done by hand. Others struggle with vocabulary they have not seen since school, or with the technical subtests if they have never worked on engines, circuits or tools. Strong preparation starts with the AFQT four, builds hand-calculation speed and vocabulary, then targets the technical subtests that matter for the jobs you want.
Exam structure
CAT-ASVAB: 10 subtests and 135 scored questions in this order: General Science (15 questions, 12 min), Arithmetic Reasoning (15, 55 min), Word Knowledge (15, 9 min), Paragraph Comprehension (10, 27 min), Mathematics Knowledge (15, 31 min), Electronics Information (15, 10 min), Auto Information (10, 7 min), Shop Information (10, 6 min), Mechanical Comprehension (15, 22 min) and Assembling Objects (15, 18 min). Most people finish in about 2 hours. Some questions are unscored tryout items, and every question has four answer choices.
Scoring
Each subtest gets a standard score (average 50, SD 10). The AFQT percentile (1-99) comes from AR + MK + 2 x VE, where VE is a weighted blend of WK and PC, converted with the official 1997-scale table; the published minimum for most branches is 31 with a high school diploma. Services also compute job line scores from other subtest combinations.
Common mistakes
- Leaning on a calculator in practice: none is allowed on the ASVAB, so fraction, percent and rate arithmetic must be fast by hand.
- Guessing wildly when time runs short on the CAT-ASVAB, which penalizes a string of wrong answers late in a subtest; keep reading and answering for real.
- Treating the AFQT as percent correct: it is a percentile compared with a national sample of 18- to 23-year-olds.
- Ignoring Word Knowledge and Paragraph Comprehension, even though verbal skills count twice in the AFQT.
- Skipping the technical subtests entirely when the jobs you want depend on line scores such as mechanical or electronics composites.