Grade calculators + citations + study tools
Free grade calculators, citation generators and study tools
Calculate final grades, college GPA and test scores, build structured citations, and use controlled AI for study guides, quizzes, flashcards and feedback.
Grade calculators
Final Grade CalculatorCalculate the score needed on a final exam to reach a target grade, or project your final course grade from an expected exam score.GPA CalculatorCalculate a college GPA from letter grades and credit hours with an editable 4.0 scale, or enter grade points manually.Weighted Grade CalculatorCalculate a weighted course grade from category scores and weights, even when the entered weights do not add to exactly 100%.Test Grade CalculatorCalculate a test percentage, letter-grade reference and missed-question count from either correct or wrong answers and total questions.Grade Percentage CalculatorConvert points earned and points possible into a percentage, letter grade and number of missed points.SAT Score CalculatorCalculate an SAT total from section scores or estimate a score range from raw correct answers using the official 2026 Practice Test #11 conversion table.ACT Score CalculatorCalculate the current ACT Composite from English, Math and Reading section scores, with an optional legacy four-section mode.Teacher GraderGenerate a complete grading chart for any test length, showing correct answers, missed answers, percentage and letter-grade reference.
Citation generators
APA Citation GeneratorGenerate APA Style 7th edition reference-list entries for journal articles, webpages, books and book chapters with DOI metadata import.MLA Citation GeneratorGenerate MLA Handbook 9th edition works-cited entries for journal articles, webpages, books and book chapters with DOI metadata import.AMA Citation GeneratorGenerate AMA 11 references for journal articles, webpages, books and chapters, with DOI import and PubMed/NLM journal-abbreviation checks.Chicago Citation GeneratorGenerate Chicago Manual of Style 18th edition bibliography or author-date references for journal articles, webpages, books and chapters.IEEE Citation GeneratorGenerate numbered IEEE references for journal articles, webpages, books and book chapters using current IEEE reference-guide conventions.ACS Citation GeneratorGenerate references using the current ACS Guide to Scholarly Communication for journal articles, webpages, books and book chapters.CSE Citation GeneratorGenerate CSE Manual 9th edition Citation-Sequence references for scientific journal articles, webpages, books and book chapters.ASA Citation GeneratorGenerate American Sociological Association 7th edition references for journal articles, webpages, books and book chapters.
Writing & reading utilities
AI Study Workspace
Paste one set of notes, get a local study-session plan, and optionally create one bounded Study Pack with a guide, flashcards, practice questions and review plan.
Study & AI tools
AI Study Guide MakerTurn notes, textbook excerpts or a topic into a structured study guide with key concepts, summaries, review questions and a checklist.AI Quiz GeneratorCreate multiple-choice, true/false and short-answer practice questions from notes, a topic or pasted study material.AI Flashcard GeneratorConvert notes or a topic into concise flashcards using term-definition or question-answer formats for active recall.AI Essay Grader & FeedbackGet structured feedback on essay clarity, organization, argument, evidence and mechanics without asking AI to write the essay for you.Concept Map MakerBuild a visual concept map in the browser from a central topic and connected concepts, with optional AI expansion planned behind the same tool.AI TutorAsk for a step-by-step explanation, hint or worked example while controlling subject, level and how much help the tutor should reveal.
Teacher tools
AI Worksheet GeneratorGenerate classroom worksheets from a topic, grade level and question style, including answer keys when requested.AI Rubric GeneratorDraft an assessment rubric from an assignment description with editable criteria, performance levels and concise descriptors.Spelling Test GeneratorTurn a custom word list into a clean numbered spelling test and teacher answer list without any AI cost.
Why Lynara is built this way
Traditional calculators run entirely in the browser and cost nothing per use. AI generation is separated behind a guarded backend so it can remain disabled until a low-cost provider, rate limiting and abuse protection are configured. That keeps the core calculators and citation tools useful even if AI pricing or providers change.