Score calculators, flashcards, GPA tools, and admissions calculators — for the SAT, ACT, and AP exams and for graduate tests like the GRE, GMAT, and LSAT. Built by educators, and most are completely free.
See how many questions you need to get right to achieve your dream score.
See how your SAT score stacks up against students from across the country.
Interactive tool to search colleges by SAT scores.
Learn a new SAT word every single day.
Improve your vocabulary fast with SAT-specific flashcards.
Learn vocabulary more efficiently by understanding word etymology.
Learn vocabulary through understanding word prefixes.
Learn vocabulary through understanding word suffixes.
Learn advanced tricks to memorize SAT words.
Increase your speed and accuracy when it comes to math calculations.
Compute your estimated PSAT 8/9 score range from your raw answers.
Compute your estimated PSAT 10 score range from your raw answers.
Compute your estimated PSAT/NMSQT score, Selection Index, and National Merit qualification.
Convert your PSAT/NMSQT or PSAT 10 score into a projected SAT score, and see your realistic score after prep.
Turn your PSAT/NMSQT section scores into your Selection Index (48–228) and National Merit outlook.
Estimate the IQ your SAT score suggests, based on percentile. For fun — the SAT is not an IQ test.
Check the ACT equivalent of your SAT score and vice versa.
See how your ACT score compares to other students.
Interactive tool to search colleges by ACT scores.
Improve your ACT vocabulary fast with ACT-specific flashcards.
Estimate the IQ your ACT composite suggests, based on percentile. For fun — the ACT is not an IQ test.
See how your AP Art History score compares to other students.
See how your AP Biology score compares to other students.
See how your AP Calculus AB score compares to other students.
See how your AP Calculus BC score compares to other students.
See how your AP Chemistry score compares to other students.
See how your AP Chinese score compares to other students.
See how your AP Comparative Government & Politics score compares to other students.
See how your AP Computer Science A score compares to other students.
See how your AP Computer Science Principles score compares to other students.
See how your AP English Language score compares to other students.
See how your AP English Literature score compares to other students.
See how your AP Environmental Science score compares to other students.
See how your AP European History score compares to other students.
See how your AP French score compares to other students.
See how your AP German score compares to other students.
See how your AP Human Geography score compares to other students.
See how your AP Japanese score compares to other students.
See how your AP Latin score compares to other students.
See how your AP Macroeconomics score compares to other students.
See how your AP Microeconomics score compares to other students.
See how your AP Music Theory score compares to other students.
See how your AP Physics 1 score compares to other students.
See how your AP Physics 2 score compares to other students.
See how your AP Physics C: E&M score compares to other students.
See how your AP Physics C: Mechanics score compares to other students.
See how your AP Precalculus score compares to other students.
See how your AP Psychology score compares to other students.
See how your AP Spanish Language and Culture score compares to other students.
See how your AP Spanish Literature and Culture score compares to other students.
See how your AP Statistics score compares to other students.
See how your AP US History score compares to other students.
See how your AP US Government score compares to other students.
See how your AP World History score compares to other students.
Calculate your weighted and unweighted high school GPA class by class.
See your GPA with AP, IB, and Honors bumps on the 5.0 weighted scale.
Calculate your GPA on the standard 4.0 scale, the way colleges compare it.
Convert any percentage grade to a 4.0-scale GPA with the full conversion chart.
Letter grade to GPA charts for the 4.0 and weighted 5.0 scales, with an instant converter.
Track your middle school GPA and learn which grades follow you to high school.
Find the exact score you need on your final exam to hit your target grade.
Real-time, rubric-based feedback on your Common App and supplemental essays.
Check whether an essay reads as AI-generated before you submit it.
Personalized essay-topic brainstorms based on your background and target schools.
Predict your odds at every school using scores, GPA, rigor, and activities.
Browse thousands of real applicant profiles — admitted, waitlisted, and rejected.
Compare your transcript rigor to admitted-student benchmarks at your target schools.
Organize scholarship deadlines, requirements, and awards in one place.
Draft strong recommendation letters tuned for teachers, counselors, and advisors.
Review a recommendation draft against the rubrics admissions officers use.
Test Ninjas builds a growing library of free tools that make prep more effective. Estimate your score with subject-specific calculators, drill vocabulary with flashcards, sharpen your mental math, track your GPA, and explore colleges by score — all in one place.
High schoolers get SAT, ACT, and AP calculators alongside the full suite of college-admissions tools. Graduate applicants get GRE, GMAT, and LSAT score calculators built on the real scoring scales. Every tool is designed by experienced educators — use them with our full-length practice tests to see exactly what to study next.
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