How this calculator scores your exam
Multiple choice counts one point per correct answer, with nothing taken off for wrong or blank ones, and each section is then weighted by its share of the exam: on AP Lang, 45 multiple-choice questions count for 45% while three essays worth 18 points count for 55%. The weighted sections add up to a composite, which College Board turns into a 1–5 with cut points it sets each year and doesn’t publish, the hard limit on any AP score calculator, this one included. The full process, from the AP Reading to score setting, is in how AP scores work.
The formula
For exams with an official conversion table, the calculator multiplies the composite by that worksheet’s maximum, rounds to the nearest whole number as the worksheet tells you to, and reads the 1–5 from its table.
Worked example, AP Calculus AB. You get 28 of the 42 multiple-choice questions right and earn 5 of 9 points on each of the six free-response questions, 30 of 54 in total. Each section is worth 50%, so the composite is 0.5 × 28/42 + 0.5 × 30/54 = 0.333 + 0.278 = 61.1%. The 2012 Calculus AB practice exam’s worksheet runs from 0 to 108, and 61.1% of 108 is 66. Its table gives a 4 for 54–66 and a 5 for 67 and up, so that’s a 4 by one point. One more multiple-choice question right pushes the composite to 67 and the estimate to a 5. When you land that close to a line, call it a coin flip.
Section weights for each exam
The question counts and weights below are the 2027 exam formats from each course’s exam page on College Board’s AP Students site. The maximum points for free-response questions come from College Board’s 2025 scoring statistics on AP Central, and the 2026 scoring guidelines show the same values.
| Exam | Multiple choice | Free response | Source |
|---|---|---|---|
| AP Lang | 45 questions, 45% | 3 essays (0–6 each), 55% | AP Students exam page |
| AP Lit | 55 questions, 45% | 3 essays (0–6 each), 55% | AP Students exam page |
| Calc AB | 42 questions, 50% | 6 questions (0–9 each), 50% | AP Students exam page |
| Calc BC | 42 questions, 50% | 6 questions (0–9 each), 50% | AP Students exam page |
| AP Bio | 60 questions, 50% | 6 questions (0–9, 0–9, 0–4, 0–4, 0–4, 0–4), 50% | AP Students exam page |
| AP Chem | 60 questions, 50% | 7 questions (0–10, 0–10, 0–10, 0–4, 0–4, 0–4, 0–4), 50% | AP Students exam page |
| AP Physics 1 | 42 questions, 50% | 4 questions (0–10, 0–12, 0–10, 0–8), 50% | AP Students exam page |
| AP Physics 2 | 42 questions, 50% | 4 questions (0–10, 0–12, 0–10, 0–8), 50% | AP Students exam page |
| APES | 80 questions, 60% | 3 questions (0–10 each), 40% | AP Students exam page |
| AP Psych | 75 questions, 66.7% | 2 questions (0–7 each), 33.3% | AP Students exam page |
| AP HuG | 60 questions, 50% | 3 questions (0–7 each), 50% | AP Students exam page |
| AP Gov | 55 questions, 50% | Concept application (0–3), 12.5% Quantitative analysis (0–4), 12.5% SCOTUS comparison (0–4), 12.5% Argument essay (0–6), 12.5% | AP Students exam page |
| AP Stats | 42 questions, 50% | 4 questions (0–10 each), 50% | AP Students exam page |
| AP CSP | 70 questions, 70% | Create performance task (0–6), 30% | AP Students exam page |
| AP Macro | 60 questions, 66.7% | 1 long question (0–10), 16.7% 2 short questions (0–5 each), 16.7% | AP Students exam page |
| AP Micro | 60 questions, 66.7% | 1 long question (0–10), 16.7% 2 short questions (0–5 each), 16.7% | AP Students exam page |
| APUSH | 55 questions, 40% | 3 short answers (0–3 each), 20% Document-based question (0–7), 25% Long essay (0–6), 15% | AP Students exam page |
| AP World | 55 questions, 40% | 3 short answers (0–3 each), 20% Document-based question (0–7), 25% Long essay (0–6), 15% | AP Students exam page |
| AP Euro | 55 questions, 40% | 3 short answers (0–3 each), 20% Document-based question (0–7), 25% Long essay (0–6), 15% | AP Students exam page |
College Board publishes the weight of each free-response part for the three history exams, for economics and for U.S. Government, where each of the four free-response questions is 12.5% even though they’re worth 3, 4, 4 and 6 points. For the others, it gives one weight for the whole section, so the calculator counts every free-response point equally. That’s a fair reading of the rules, but it is our assumption. Calculus BC, Physics 1 and Physics 2 have 42 multiple-choice questions starting with the May 2027 exams, per College Board’s course and exam description corrections.
Where the 1–5 estimates come from
College Board used to print a scoring worksheet in its released and practice exams, with a conversion chart for that exam. These are the most recent public ones we found, all from 2007 to 2013. We only use a chart when the exam it came from split the score between multiple choice and free response the same way the 2027 exam does. The percentages show the lowest composite that rounds to each score on that chart.
| Exam | College Board source | 5 | 4 | 3 | 2 |
|---|---|---|---|---|---|
| AP Lang | 2007 worksheet | 74.3% | 65.0% | 53.0% | 36.3% |
| AP Lit | 2012 worksheet | 73.7% | 65.0% | 53.7% | 36.3% |
| Calc AB | 2012 worksheet | 61.6% | 49.5% | 37.5% | 30.1% |
| Calc BC | 2012 worksheet | 62.5% | 51.4% | 38.4% | 31.9% |
| AP Bio | 2013 worksheet | 77.1% | 62.1% | 44.6% | 24.6% |
| AP Macro | 2012 worksheet | 78.3% | 65.0% | 56.1% | 45.0% |
| AP Micro | 2012 worksheet | 78.3% | 61.7% | 50.6% | 38.3% |
The source exams aren’t identical to today’s. In each case the number of questions or the essay scale was different:
- AP Lang (2007): 52 multiple-choice questions and three essays scored 0–9, with the same 45/55 split.
- AP Lit (2012): 55 multiple-choice questions and three essays scored 0–9, with the same 45/55 split.
- Calc AB (2012): 45 multiple-choice questions and six 9-point free-response questions, with the same 50/50 split.
- Calc BC (2012): 45 multiple-choice questions and six 9-point free-response questions, with the same 50/50 split.
- AP Bio (2013): 58 multiple-choice and grid-in questions and eight free-response questions, with the same 50/50 split.
- AP Macro (2012): 60 multiple-choice questions and one long plus two short free-response questions, with the same two-thirds/one-third split.
- AP Micro (2012): 60 multiple-choice questions and one long plus two short free-response questions, with the same two-thirds/one-third split.
Calculus BC also reports an AB subscore, built from the multiple-choice questions and free-response parts that cover Calculus AB topics. The same 2012 worksheet has a separate chart for it, on a 0–64 scale split evenly between multiple choice and free response: a 5 started at about 61.7% of that subcomposite, a 4 at 47.7%, a 3 at 35.2% and a 2 at 25.8%. The calculator doesn’t score the subscore, because College Board doesn’t tell you which questions on a current exam feed it.
Twelve exams show the composite only. We found no official chart that fits the history exams’ current 40/20/25/15 split; the newest World History chart, from 2013, was built for a 50/50 exam with three essays. The Statistics and Psychology charts are from 2012 exams whose format has since changed (Statistics now has four 10-point free-response questions; Psychology was redesigned for 2024–25). Physics 1 and Physics 2 were redesigned for 2024–25 and have no public chart. For Chemistry, Environmental Science, Human Geography and U.S. Government, the College Board worksheets we found either list multiple-choice ranges only or come from exams with a different format, and Computer Science Principles never had one. Using any of them would be guesswork.
College credit, in short
College Board calls a 5 extremely well qualified, a 4 very well qualified and a 3 qualified, and lines them up with an A+ or A, an A-, B+ or B, and a B-, C+ or C in the matching college course. Many colleges give credit or placement for a 3 or higher while others want a 4 or 5, so look up each college’s AP policy before you plan around it. The full score scale and credit rules are in how AP scores work.
What this calculator can’t tell you
- This year’s real cut points. The tables are years old, and cut points move from year to year. Treat any result within a few percentage points of a line as either score.
- Your free-response points. The math is only as good as your self-scoring. Grade practice answers against the official scoring guidelines, or ask your teacher to, rather than guessing.
- Other exams. If an exam isn’t listed, we didn’t find an official source we trust for it. AP Spanish Language and Culture changes format in May 2027, adding a project presentation and Q&A, so this calculator doesn’t cover it. For a class grade rather than an exam score, use the grade calculator, and see how AP classes count toward your GPA with the weighted GPA calculator. For the ACT, use the ACT score calculator.
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