ACT Score Calculator

Calculate your ACT composite score from section scores or raw correct answers — includes percentile rankings, college admissions benchmarks, and a complete ACT scoring guide.

The ACT is a standardized college admissions test scored 1–36 composite, administered by ACT Inc., and taken by approximately 1.4 million students per year. It is accepted by all accredited US colleges and universities alongside the SAT. The ACT has four sections — English, Mathematics, Reading, and Science — and an optional Writing essay. The composite score is the average of the four section scores rounded to the nearest whole number. This calculator helps you compute your composite from section scores or raw correct answers, look up your percentile, check college benchmarks, and estimate your superscore across multiple sittings. To compare the ACT with the SAT see our SAT vs ACT comparison.

ACT Score Calculator

Enter Section Scores (1–36)

English

Mathematics

Reading

Science

Enter your scores and click Calculate

ACT Superscore Calculator

Attempt 1

english

math

reading

science

Attempt 2

english

math

reading

science

What Does Your ACT Score Mean?

The ACT composite score is a whole number between 1 and 36. Below is the complete percentile and performance reference. For SAT equivalents see our ACT to SAT Conversion concordance table.

Composite	Percentile	Performance	Admissions Tier
36	99+th	Exceptional	Top Ivy / MIT / Stanford
35	99th	Exceptional	Ivy League / Top 10
34	99th	Exceptional	Ivy League / Top 10
33	98th	Exceptional	Top 15 Universities
32	97th	Excellent	Top 20 Universities
31	96th	Excellent	Top 25 Universities
30	95th	Excellent	Top 30 Universities
29	93th	Very Good	Selective Universities
28	91th	Very Good	Selective Universities
27	88th	Very Good	Competitive Universities
26	85th	Good	Competitive Universities
25	81th	Good	Competitive Universities
24	77th	Good	Many 4-Year Colleges
23	72th	Above Average	Many 4-Year Colleges
22	67th	Above Average	Most 4-Year Colleges
21	61th	Above Average	Most 4-Year Colleges
20	54th	Average	Most 4-Year Colleges
19	47th	Average	National Average
18	40th	Below Average	2-Year / Open Enrollment
17	33th	Below Average	2-Year / Open Enrollment
16	26th	Below Average	2-Year / Open Enrollment

Understanding Your ACT Section Scores

English (75 questions, 45 min)

Tests: Tests grammar, punctuation, usage, and rhetorical skills across 5 prose passages.

High score means: Strong command of standard written English and ability to improve existing text.

Low score tip: Focus on comma rules, apostrophes, transitions, and subject-verb agreement — the most commonly missed areas.

Mathematics (60 questions, 60 min)

Tests: Tests pre-algebra, algebra, geometry, trigonometry, and some pre-calculus. Calculator allowed throughout.

High score means: Mathematical reasoning across a broad range of topics including geometry (≈35–45% of questions) and trigonometry.

Low score tip: Geometry and trigonometry are the most differentiated sections — prioritize these for improvement above 24.

Reading (40 questions, 35 min)

Tests: Tests comprehension of 4 passages (literary narrative, social science, humanities, natural science) with 10 questions each.

High score means: Ability to read closely and quickly under significant time pressure — less than 9 minutes per passage.

Low score tip: The most time-pressured ACT section. Students who struggle often run out of time rather than lack comprehension ability.

Science (40 questions, 35 min)

Tests: Tests data interpretation and scientific reasoning using charts, graphs, tables, and research summaries — NOT science knowledge.

High score means: Ability to interpret scientific data quickly and accurately. All information needed is provided in the passages.

Low score tip: Do not study biology, chemistry, or physics for ACT Science. Practice reading graphs and experimental designs instead.

How ACT Composite Score is Calculated

The ACT composite is the simple arithmetic mean of the four section scores, rounded to the nearest whole number. A 0.5 rounds up.

Formula

Composite = (English + Math + Reading + Science) ÷ 4, rounded to nearest whole number

E:30M:28R:26S:24

108 ÷ 4 = 27.00

Composite: 27

E:32M:30R:28S:26

116 ÷ 4 = 29.00

Composite: 29

E:35M:33R:31S:29

128 ÷ 4 = 32.00

Composite: 32

E:28M:26R:26S:24

104 ÷ 4 = 26.00

Composite: 26

E:30M:28R:27S:24

109 ÷ 4 = 27.25 → 109÷4 = 27.25 → rounds to 27

Composite: 27

E:30M:29R:27S:26

112 ÷ 4 = 28.00

Composite: 28

Additional Scores Reported

STEM Score

(Math + Science) ÷ 2, rounded

Highlights performance in quantitative and scientific reasoning. Used by some STEM-focused programs.

ELA Score

(English + Reading [+ Writing if taken]) ÷ 2–3

Combines English language arts performance. Writing score does not affect composite.

Writing Score

2–12 from 4 domain scores

Optional. Scored separately from composite. Most colleges do not require it. Does NOT affect composite.

ACT Raw Score to Scaled Score Conversion Tables

These conversions are based on official ACT released test forms. Actual conversion tables vary by test form due to difficulty equating. Your actual scaled score may differ by approximately 1–2 scale points. For exact conversion use the score report provided by ACT Inc.

English (75 questions)

Raw Correct	Scaled (1–36)
75	36
72–74	35
70–71	34
67–69	33
65–66	32
62–64	31
60–61	30
57–59	29
54–56	28
52–53	27
49–51	26
46–48	25
44–45	24
41–43	23
38–40	22
35–37	21
33–34	20
30–32	19

Mathematics (60 questions)

Raw Correct	Scaled (1–36)
60	36
58–59	35
56–57	34
54–55	33
52–53	32
50–51	31
48–49	30
46–47	29
44–45	28
42–43	27
40–41	26
38–39	25
36–37	24
33–35	23
31–32	22
29–30	21
27–28	20
24–26	19

Reading (40 questions)

Raw Correct	Scaled (1–36)
40	36
39	35
38	34
37	33
35–36	32
34	31
32–33	30
31	29
29–30	28
28	27
26–27	26
25	25
23–24	24
22	23
20–21	22
19	21
17–18	20
16	19

Science (40 questions)

Raw Correct	Scaled (1–36)
40	36
39	35
38	34
36–37	33
34–35	32
33	31
31–32	30
29–30	29
27–28	28
26	27
24–25	26
22–23	25
21	24
19–20	23
17–18	22
16	21
14–15	20
13	19

Worked Raw Score Example

Section	Raw Correct	Estimated Scaled
English	58	28
Mathematics	45	28
Reading	30	28
Science	28	28
Composite = (28+28+28+28) ÷ 4		28

ACT Score Requirements at Top US Colleges

Middle 50% ranges show where the middle half of admitted students scored — 25% scored below the lower number and 25% scored above the upper number. Meeting the upper number makes ACT a strength in your application. For SAT equivalents and a side-by-side comparison visit our SAT Score Calculator.

Middle 50% ranges change each year based on the admitted class. Always verify current data on each university's Common Data Set or admissions page.

College	Middle 50% ACT Range	Notes
Harvard	34–36	Class of 2027 middle 50%
MIT	34–36	—
Princeton	34–36	—
Yale	34–36	—
Stanford	34–36	—
Columbia	34–36	—
Penn (UPenn)	34–36	—
Duke	34–36	—
Brown	33–36	—
Northwestern	33–35	—
Cornell	33–35	—
Dartmouth	33–35	—
Vanderbilt	34–36	—
Rice	34–36	—
WashU (St. Louis)	34–36	—
Georgetown	32–35	—
UCLA	27–35	Wide range — high GPA also weighted
UC Berkeley	27–35	—
University of Michigan	32–35	—
UVA	31–35	—
UNC Chapel Hill	28–34	—
Boston College	33–35	—
NYU	30–34	—
Purdue	24–32	—
Ohio State	27–33	—
Penn State	26–31	—
University of Florida	28–33	—
UT Austin	26–33	—

ACT Scores for Merit Scholarships

University of Alabama

32+

Presidential Scholarship (full tuition)

Ole Miss

30+

Significant merit aid

University of Tennessee

32+

Full scholarship consideration

Clemson University

29+

Merit consideration

University of South Carolina

29+

Capstone Scholar

Many regional universities

25+

Partial merit awards

Merit scholarship thresholds change annually. Always verify current thresholds directly with the university financial aid office.

How to Improve Your ACT Score — By Section

English Improvement

Focus on comma rules, apostrophes, semicolons, and colons — these appear most frequently.
Master transitions (however, therefore, furthermore) as rhetorical questions are very common.
Practice 'no change' options — the correct answer is often to leave text as written.
Work through official ACT English passages identifying the specific grammar rule in every question.

Mathematics Improvement

Master pre-algebra and elementary algebra first — these are the most numerous question types.
Geometry and trigonometry (≈35–45% of questions) are critical for scores above 24.
Trigonometry (≈4–6 questions) is essential for targeting 30+.
Calculator is allowed — use it strategically but avoid over-reliance on simple calculations.

Reading Improvement

Manage time aggressively — less than 9 minutes per passage including reading and answering.
Consider skipping your weakest passage type and returning to it last.
Active reading: annotate key ideas and paragraph shifts as you read.
Avoid answering from memory — always find evidence in the passage for every answer.

Science Improvement

Do NOT study biology, chemistry, or physics for ACT Science.
Practice reading graphs, tables, and experimental designs quickly.
Data Representation passages (graphs/charts) are the easiest — answer these first.
Conflicting Viewpoints passages require close reading of two or more scientists' positions.

Score Improvement Targets by Starting Level

Starting Composite	Realistic Target	Key Focus Areas	Estimated Prep Time
Below 18	20–22	Core grammar rules, pre-algebra mastery, reading pace	60–80 hours
18–21	23–26	Geometry, transition questions, Science data practice	40–60 hours
22–25	27–29	Trig basics, close reading evidence, conflicting viewpoints	30–50 hours
26–28	30–32	Trigonometry, rhetorical skills, Math error analysis	25–40 hours
29–31	33–35	High-difficulty Math, passage-level English strategy, timing optimization	20–35 hours
32–33	34–36	Test-specific error patterns, official forms only, perfect accuracy on known content	15–25 hours

ACT Writing — Optional Essay Scoring and Strategy

The ACT Writing score does not affect your composite score. The vast majority of US colleges do not require it. Check your specific target college requirements before registering.

Writing Score Structure

Final Writing score: 2–12

Four domain scores (each 2–12):

Ideas and Analysis
Development and Support
Organization
Language Use and Conventions

Each domain scored by two raters 1–6. The four domain scores are averaged and rounded for the final Writing score.

ELA score = (English + Reading + Writing) ÷ 3, reported separately as 1–36.

Essay Strategy (if required)

Take a clear, specific position in your opening paragraph — do not hedge.

Analyze all three given perspectives in relation to your own argument.

Use specific, concrete examples to support your claims in each body paragraph.

Organizational clarity (transitions, topic sentences) is heavily weighted.

Avoid trying to 'agree with all sides equally' — this is the most common scoring mistake.

A clear, well-supported position scores significantly higher than an unfocused balanced response.

Frequently Asked Questions

ACT to SAT Conversion

Convert ACT scores to SAT equivalents using official concordance tables.

SAT Score Calculator

Calculate SAT composite, superscore, and raw-to-scaled conversions.

SAT vs ACT Comparison

Personalized recommendation tool for choosing between SAT and ACT.

What is a Good SAT Score?

Understand SAT benchmarks for colleges, majors, and scholarships.

Average SAT Score

National SAT averages by year, major, and state.

All Calculators

Browse all academic calculators on SmartCGPA.