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ACT Score Calculator: How ACT Scoring Works in 2026
Your ACT Composite score is the average of your English, Math, and Reading scaled scores (each 1–36), rounded to the nearest whole number — and on the enhanced ACT, the optional Science section is reported separately and does not affect your Composite. Use the calculator below to estimate your scaled scores from a practice test, then read on for how the conversion actually works.
Section, Composite, STEM & percentileBuilt for the enhanced ACTReal scored tests every Sunday
ACT Score Calculator
Enter the number of correct answers from a practice test. Science is optional and does not affect your Composite.
Please enter a valid number of correct answers for English (0–50), Math (0–45), and Reading (0–36).
–English
–Math
–Reading
–Composite
–Percentile
Estimates based on representative conversion tables; exact curves vary slightly by test date.
Key takeaways
- Composite = the rounded average of English, Math, and Reading scaled scores. Science, if taken, is reported separately and feeds the STEM score.
- There is no wrong-answer penalty. A blank scores zero; a guess has positive expected value.
- Raw scores convert to the 1–36 scale with a table that changes by test form — which is why every calculator is an estimate.
- Near the top of the scale one raw point can move a scaled score; mid-scale you have more cushion. Careless errors cost high scorers most.
- Because the Composite rounds, the “cheapest” section point often lifts the reported score by a full point.
How Is the ACT Scored? Step by Step
- Raw scoreOne point per correct answer, no penalty for wrong answers. English is out of 50, Math out of 45, Reading out of 36, and optional Science out of 40.
- Scaled scoreEach section’s raw score converts to a 1–36 scale using that test form’s conversion table, which smooths difficulty differences between dates (a process called equating).
- CompositeThe average of English, Math, and Reading, rounded to the nearest whole number — a .5 average rounds up.
- Science and STEMIf you take optional Science, you receive a Science score (1–36) and a STEM score (the average of Math and Science), reported alongside your Composite, never inside it.
ACT Raw Score to Scaled Score: What Conversion Looks Like
| Scaled score | English raw (of 50) | Math raw (of 45) | Reading raw (of 36) |
|---|---|---|---|
|
36 |
49–50 |
44–45 |
35–36 |
|
32 |
45–46 |
40–41 |
32 |
|
28 |
40–41 |
35–36 |
28–29 |
|
24 |
33–35 |
28–30 |
23–24 |
|
20 |
26–28 |
20–22 |
18–19 |
Approximate — exact tables vary by test form.
The takeaway most families miss: near the top of the scale, one or two raw points can move a scaled score a full point, while mid-scale you have more cushion. This is why careless errors are costliest for high scorers.
Roughly How Many Correct Answers You Need for Common Targets
A different way to read the same tables: the approximate number of questions you can miss in each section and still hit a target scaled score.
| Target section score | English (50 q) — can miss about | Math (45 q) — can miss about | Reading (36 q) — can miss about | Science (40 q) — can miss about |
|---|---|---|---|---|
|
34 |
3 |
3 |
3 |
3 |
|
30 |
7 |
7 |
6 |
7 |
|
26 |
13 |
13 |
10 |
12 |
|
22 |
21 |
21 |
15 |
17 |
|
18 |
28 |
29 |
20 |
24 |
Based on representative conversion tables; treat as a planning range, not a guarantee.
Tutor tip
Notice how the Reading column is the least forgiving — 36 questions means each one is worth more scale. A student who misses six questions in Reading and six in English gives up more scaled points in Reading. That asymmetry should shape which section gets the extra hour each week.
Why Rounding Makes Some Points Free
Because the Composite is a rounded average of three sections, a single-section gain frequently tips the round-up. A student sitting at English 28, Math 27, Reading 29 averages 28.0 — but gaining just two section points anywhere pushes the average to 28.67, which rounds to a 29 Composite. Your tutor should always know exactly which section is the cheapest point.
| Section scores add up to… | Average | Composite | Points to next Composite |
|---|---|---|---|
|
84 (e.g., 28 + 28 + 28) |
28.00 |
28 |
2 |
|
85 (e.g., 28 + 28 + 29) |
28.33 |
28 |
1 |
|
86 (e.g., 28 + 29 + 29) |
28.67 |
29 |
3 |
|
87 (e.g., 29 + 29 + 29) |
29.00 |
29 |
2 |
Rule of thumb: when your three section scores add to a number two more than a multiple of three, you have already rounded up.
What Do ACT Percentiles Mean?
A 20 is roughly the national median; mid-20s put you in the top quarter; 30+ is roughly the top 5–7% of testers; 34+ is the top 1%. Percentiles matter because scholarships and admissions committees think in them.
| Composite | Approx. percentile | Composite | Approx. percentile |
|---|---|---|---|
|
36 |
99+ |
26 |
82 |
|
35 |
99 |
25 |
78 |
|
34 |
99 |
24 |
74 |
|
33 |
98 |
23 |
69 |
|
32 |
97 |
22 |
63 |
|
31 |
95 |
21 |
58 |
|
30 |
93 |
20 |
52 |
|
29 |
91 |
19 |
45 |
|
28 |
88 |
18 |
39 |
|
27 |
85 |
17 |
32 |
National percentiles published by ACT shift slightly each year.
Benchmarks by college tier and scholarship threshold: What Is a Good ACT Score in 2026? · The full prep roadmap: The Complete ACT Prep Guide · ACT Superscoring
How to Read Your ACT Score Report
Composite and section scores
The headline numbers, each 1–36, with the national percentile beside them. The section scores — not the Composite — are what a retake plan is built from.
STEM score
Appears only if you took Science: the average of Math and Science. Useful for engineering and science applications; ignored by the Composite.
Reporting categories
Percent correct by skill area within each section (for example, punctuation vs. organization in English). This is the best raw material for an error log.
Superscore
Once you have two or more test dates on file, ACT reports a superscore built from your best sections. Whether a college uses it is that college’s policy.
Want a real score, not an estimate?Take a full-length proctored ACT at our Kansas City office any Sunday — scored against real conversion tables, free, with results in your student portal.
Register for a Sunday TestACT Scoring Glossary
- Raw score
- The count of correct answers in a section. No deduction for wrong or blank answers.
- Scaled score
- The raw score converted to the 1–36 scale for that test form.
- Conversion table
- The form-specific mapping from raw to scaled scores, published by ACT with each released test.
- Equating
- The statistical process that adjusts conversion tables so a 28 means the same thing on an easier or harder form.
- Composite
- The rounded average of English, Math, and Reading scaled scores.
- STEM score
- The rounded average of Math and Science scaled scores, reported only when Science is taken.
- Percentile
- The share of test-takers at or below your score, published nationally by ACT.
- Superscore
- A Composite recomputed from your best section scores across test dates.
ACT Scoring FAQs
No. Only correct answers count, so you should answer every question — an educated guess has positive expected value, a blank has zero.
No. On the enhanced ACT the Composite is the average of English, Math, and Reading only. Science, if taken, is reported separately and feeds the STEM score.
Good calculators estimate within about a point per section. Exact conversions vary by test form, which is why we score our Sunday practice tests against real conversion tables.
Scores range from 1 to 36 per section and for the Composite. The national average Composite sits near 19–20.
Roughly 43 of 50 in English, 38 of 45 in Math, and 30 of 36 in Reading, give or take a question depending on the form. Hitting 30 in all three produces a 30 Composite; two 30s and a 31 also round to 30.
Yes — it is built for the 2025– format: 50 English, 45 Math, 36 Reading, and optional 40-question Science, with the Composite computed from the three core sections only.
Keep Reading
BenchmarksWhat Is a Good ACT Score in 2026?Percentiles, college-tier ranges, and merit scholarship thresholds.GuideThe Complete ACT Prep GuideStructure, timeline, study plan, and section strategy.ComparisonACT vs SATConvert your estimate to an SAT score and compare percentiles.TimelineWhen to Start ACT PrepThe grade-by-grade timeline built around two test cycles.