AP® Biology Score Calculator 2026

How We Convert Raw Points to Scaled Scores

• Section I: Multiple-choice – 60 questions, 90 minutes (50% of composite score, scaled to 60 points)
• Section II: Free-response – 6 questions, 90 minutes (50% of composite score, scaled to 60 points)
• Long FRQs (Questions 1-2) – 10 points each, focusing on experimental analysis and graphing
• Short FRQs (Questions 3-6) – 4 points each, covering investigation, conceptual analysis, models, and data
• Composite scaled to 120 points total. We average the last three curves to map composite scores to the 5‑point AP scale.

2025 Raw Score → Scaled Score Chart (Estimate)

This calculator uses composite scoring based on recent AP Biology exams. The exact conversion may vary slightly each year based on exam difficulty and College Board's equating process.

Note: Cut-offs are based on College Board score distributions from 2022-2025. Actual thresholds may shift by ±2 points depending on exam difficulty.

Top Tips to Earn a 5

Multiple-Choice Strategy

• Use your calculator effectively – Calculators are permitted throughout the exam for calculations, graphing, and data analysis.
• Analyze stimulus materials carefully – Many questions are in sets of 3-5 tied to diagrams, experiments, or data tables.
• Eliminate wrong answers – Use process of elimination to narrow down choices before selecting your answer.
• Manage your time – You have 90 minutes for 60 questions (1.5 minutes per question). Don't spend too long on any single question.

Long Free-Response Questions (10 pts each)

• Read the entire question first – Understand what's being asked before diving into your response.
• Label graphs completely – Include title, axis labels with units, and appropriate scale for full credit.
• Show your work – Even if you make a calculation error, you can earn partial credit for correct methodology.
• Use biological terminology correctly – Precise language demonstrates mastery of concepts.
• Allocate 22 minutes per long FRQ – This gives you time to read, plan, and write thorough responses.

Short Free-Response Questions (4 pts each)

• Be concise but complete – Short FRQs require focused answers that directly address the prompt.
• Address all parts – Most short FRQs have multiple parts (a, b, c, d) worth 1 point each.
• Use specific examples – Reference specific biological processes, organisms, or experimental details.
• Allocate 9 minutes per short FRQ – Stay on pace to complete all six free-response questions.

General Exam Strategies

• Know the Four Big Ideas – Evolution, Cellular Processes, Information Storage/Transmission, and Systems Interactions underpin all exam questions.
• Practice with data – Be comfortable interpreting graphs, tables, chi-square tests, and experimental designs.
• Review lab investigations – The 13 recommended AP Biology labs frequently appear on the exam.
• Use the equation sheet – Familiarize yourself with the provided formulas and reference tables before exam day.

Frequently Asked Questions