ACT Score Calculator
Calculate your ACT composite score from raw scores. Get accurate score conversion with percentiles and detailed section breakdowns for college admissions planning.
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What is the ACT?
The ACT (American College Testing) is a standardized test used for college admissions in the United States. It measures high school students' general educational development and their ability to complete college-level work.
The ACT consists of four multiple-choice sections: English, Mathematics, Reading, and Science. Each section is scored on a scale of 1-36, and the composite score is the average of these four section scores, rounded to the nearest whole number.
Unlike the SAT, the ACT includes a Science section and focuses more on curriculum-based knowledge. The test takes approximately 3 hours and 35 minutes to complete, including the optional Writing section.
How is the ACT scored?
Each section of the ACT is scored from 1 to 36. The tests and their maximum raw scores are divided into 4 sections:
- • English — 75 questions;
- • Math — 60 questions;
- • Reading — 40 questions; and
- • Science — 40 questions.
Your raw score is the number of questions you got right in each section. These are converted to scaled scores between 1 and 36 using the official ACT chart. The composite ACT score, which is your total ACT score, is the average of your scaled scores from all sections, rounded to the nearest whole number.
Important: There's no penalty for incorrect answers, so it's always better to guess than to leave questions blank. The conversion tables can vary slightly between test administrations due to differences in question difficulty.
ACT Score Percentiles
ACT percentiles show how your score compares to other test-takers. A percentile rank indicates the percentage of students who scored lower than you.
Top Performers
- • 36: 99th percentile
- • 35: 99th percentile
- • 34: 99th percentile
- • 33: 99th percentile
- • 32: 98th percentile
Strong Scores
- • 30: 95th percentile
- • 28: 90th percentile
- • 26: 82nd percentile
- • 24: 73rd percentile
- • 22: 62nd percentile
Average Scores
- • 20: 50th percentile
- • 18: 38th percentile
- • 16: 26th percentile
- • 14: 16th percentile
- • 12: 9th percentile
Below Average
- • 10: 4th percentile
- • 8: 1st percentile
- • 6: 1st percentile
- • 4: 1st percentile
- • 1: 1st percentile
Understanding percentiles helps you gauge your competitiveness for college admissions. Most colleges publish the 25th and 75th percentile ACT scores of their admitted students, which can help you determine if you're a competitive applicant.
ACT vs SAT: Key Differences
Both the ACT and SAT are accepted by colleges, but they have different formats and focus areas. Understanding these differences can help you choose the right test for your strengths.
| Aspect | ACT | SAT |
|---|---|---|
| Sections | English, Math, Reading, Science | Reading, Writing, Math |
| Time | 2 hours 55 minutes | 3 hours |
| Scoring | 1-36 per section | 200-800 per section |
| Science Section | Yes | No |
| Math Focus | Algebra, Geometry, Trigonometry | Algebra, Problem Solving |
| Penalty for Wrong Answers | No | No |
Which test should you take? Consider taking both practice tests to see which one you perform better on. Many students find the ACT's straightforward questions and Science section appealing, while others prefer the SAT's focus on reasoning and analysis.
Frequently Asked Questions
How accurate is this ACT score calculator?
This calculator uses approximate conversion tables based on typical ACT scoring curves. While it provides a good estimate, actual ACT scores can vary slightly between test administrations due to differences in question difficulty. For the most accurate results, use official ACT practice tests.
What's a good ACT score?
A "good" ACT score depends on your college goals. Generally, scores above 30 (95th percentile) are considered excellent, scores 24-29 (73rd-95th percentile) are good, and scores 20-23 (50th-73rd percentile) are average. Research your target colleges' average ACT scores for specific guidance.
How many times can I take the ACT?
You can take the ACT up to 12 times in your lifetime. Most students take it 2-3 times to improve their scores. Colleges typically consider your highest composite score, and some use "superscoring" (combining your best section scores from different test dates).
Should I guess on questions I don't know?
Yes! The ACT doesn't penalize wrong answers, so you should always guess rather than leave questions blank. Even random guessing gives you a 25% chance of getting multiple-choice questions correct, which can significantly improve your score.
How long should I study for the ACT?
Most students benefit from 2-3 months of consistent study, spending 2-3 hours per week. Start with a practice test to identify your strengths and weaknesses, then focus your study time on areas that need improvement. Quality practice is more important than quantity.