ACT Score Calculator
Enter your four ACT subject scores to get your composite score out of 36, plus the SAT total it compares to on the official concordance.
Accurate calculation • Based on official scoring methodology
ACT Subject Scores
Enter your 4 section scores (1 to 36) to calculate your composite.
Composite Score
28 / 36
Concordant SAT Total ≈ 1310
English
28
Math
27
Reading
29
Science
26
About ACT Scoring
Composite is the arithmetic mean of the four subjects rounded to the nearest whole number (.5 rounds up).
How Scoring Works
Verified algorithms calibrated directly to published official scoring criteria and test guidelines.
Official Scoring Scale
Calibrated to official percentile ranks, CEFR frameworks, and university cutoff requirements.
Score Validity & Policies
Up-to-date guidelines on test validity periods (2–5 years) and multi-attempt superscore acceptance.
University & Visa Acceptance
Recognized by top global institutions across the US, UK, Canada, Australia, and Germany.
How the ACT Score Calculator Works
Scoring Methodology: Composite = round(mean of English, Math, Reading and Science), each scored 1–36
- The ACT reports four subject scores — English, Math, Reading and Science — each on a 1–36 scale.
- The composite score is the average of the four subjects rounded to the nearest whole number.
- Averages ending in .5 round up (for example, a mean of 26.5 reports as 27).
- ACT scores are valid for five years and widely used for US undergraduate admissions.
Example ACT calculation
- English
- 28
- Math
- 27
- Reading
- 29
- Science
- 26
- Mean
- (28 + 27 + 29 + 26) ÷ 4 = 27.5
- Composite
- rounds to 28
A composite of 28 is well above the national average (around 19–20) and matches an SAT total of roughly 1300–1320 on the concordance.
What your ACT composite means
The national average composite hovers around 19–20; 24+ clears most public university bars, 28+ is competitive, and 32+ is strong for selective institutions.
Because the composite is a rounded average, one strong subject can lift it — a 30 in Math can absorb a 26 in Science.
Averages ending in .5 round up, so a 27.5 mean reports as 28.
ACT scores are valid for five years and many colleges superscore across attempts.
Frequently Asked Questions
How is the ACT composite score calculated?
Average your four subject scores — English, Math, Reading and Science, each from 1 to 36 — and round to the nearest whole number. A mean of 27.5 rounds up to 28.
Is the ACT Science section a science test?
No. It measures scientific reasoning — reading graphs, evaluating experiments and drawing conclusions. It requires no subject-matter memorisation.
What is a good ACT score?
24+ is above average and meets most state university requirements; 28+ is competitive for selective schools and 32+ for the most selective ones.
How does the ACT compare to the SAT?
The official SAT–ACT concordance table links the two. A 28 composite matches roughly a 1300–1320 SAT total — try the SAT to ACT converter for the full table.
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