Guides & collections
All tools
Academic Calendar Generator
Build a printable semester calendar with holidays, exams, and important dates
ACT Score Calculator
Calculate your ACT composite score, national percentile, and SAT equivalent from your section scores
ACT to SAT Score Converter
Convert ACT composite scores to SAT equivalents using the official concordance
Advanced Placement Exam Guide
AP exam scores, passing rates, and college credit equivalencies for all 38 exams
Anki Review Time Calculator
Plan your daily Anki new cards and review workload
AP Score Credit Guide
Look up the AP exam score needed for college credit by subject and see typical college credit equivalencies
Bibliography Formatter
Format citations in APA 7th, MLA 9th, or Chicago 17th with one click
CEFR Level from Hours Calculator
Find your current CEFR level based on hours studied
Citation Format Guide
Generate APA 7, MLA 9, Chicago 17, and IEEE citations instantly
Citation Generator
Generate perfect citations in APA 7th, MLA 9th, and Chicago style for any source type — free, instant, no signup
Class Schedule Builder
Build a color-coded weekly class schedule with drag-and-drop time blocks and localStorage saving
Classroom Noise Level Monitor
Real-time noise meter for classrooms using your microphone — with color zones and alerts
College Acceptance Rate Calculator
Estimate your admission odds based on GPA, test scores, and school selectivity
College Cost Comparison
Compare the true 4-year cost between up to 4 colleges including tuition, housing, fees, and aid
College Decision Matrix
Compare colleges side-by-side on weighted criteria to find your best fit
College Major Salary Comparison
Compare starting and mid-career salaries across 50+ college majors
College Roommate Compatibility Quiz
15-question quiz to assess roommate compatibility before move-in
College Savings Calculator
Calculate how much to save monthly for college using a 529 plan with projected returns and tuition inflation
College Student Budget Calculator
Plan your monthly college budget — track income, expenses, and savings
Continuing Education Units (CEU) Requirements by Profession
Look up CEU renewal requirements for nurses, teachers, CPAs, and more
Cornell Notes Template Generator
Create custom Cornell notes paper with adjustable column and summary sections
Cumulative GPA Calculator
Calculate your cumulative GPA across multiple semesters and see what GPA you need to reach your goal
Debate Topic Generator
Random debate topics with pro and con starter points — includes category filters, side assignment, and countdown timer
Dilution Calculator
Solve C1V1=C2V2 for chemistry and cleaning solutions
Easy Grader — Grade Scale Generator
Generate a complete grade scale table for any test or quiz
Essay Outline Generator
Generate a structured essay outline from your topic, thesis, and essay type in seconds
Essay Word Counter
Count words, estimate pages, check readability, and track progress toward your assignment word limit
Exam Grade Needed Calculator
Calculate the score you need on your final exam to achieve your target course grade
FAFSA Aid Estimator 2026-27
Estimate your federal financial aid package for the 2026-27 academic year under the new simplified FAFSA rules
FAFSA EFC Estimator
Estimate your Expected Family Contribution (Student Aid Index) and likely Pell Grant eligibility before filing FAFSA
Final Grade Calculator
Calculate the minimum score needed on your final exam to reach your desired course grade
Financial Aid Appeal Guide
Step-by-step strategy for appealing your financial aid offer
Flashcard Maker
Create flashcard decks, study with flip animations, and track progress with spaced repetition
Free GPA Calculator
Calculate your semester and cumulative GPA instantly
Grad School GRE Score Reference
GRE score percentiles and competitive benchmarks by graduate program type
Grade Point Converter
Convert between letter grades, percentage grades, and 4.0 or 5.0 GPA scale values instantly
GRE Score Calculator
Convert raw GRE Verbal and Quantitative scores to scaled scores with percentile rankings
HECS-HELP Repayment Calculator
Calculate your HECS-HELP student loan repayments under the 2025-26 marginal rate system — free, instant, no signup
Heritage Language Self-Assessment Guide
Assess your heritage language proficiency across four domains
Homeschool Curriculum Planner
Calculate recommended weekly hours per subject to meet state requirements and create a homeschool schedule
Homeschool Graduation Credit Calculator
Track credits by subject and see how you compare to state graduation requirements
How to Write a Check
Fill in each field and see a live check preview — learn how to write a check correctly
Language Exchange Session Planner
Structure your language exchange sessions for maximum benefit
Language Immersion Planner
Build a daily immersion schedule for your language level
Language Study Hours Estimator
How long will it take to learn your target language?
Listening Comprehension Tracker
Track your listening hours toward CEFR fluency milestones
LSAT Score Calculator
Convert LSAT raw scores to scaled 120-180 scores with percentile rankings and law school tiers
MCAT Score Calculator
Calculate your MCAT total score, section percentiles, and medical school competitiveness
Molar Mass Calculator
Calculate molecular weight from any chemical formula
Name Picker Wheel
Spin the wheel to randomly pick a name, student, or item from your list
pH Calculator
Calculate pH from molarity for acids and bases with visual scale
Random Letter Generator
Generate random letters with alphabet, case, and quantity options
Random Name Picker
Spin the wheel to pick a random name or split a list into balanced teams instantly
RAP Plan Calculator
Estimate your Repayment Assistance Plan payment replacing the SAVE plan — free, instant, no signup
Readability Checker
Hemingway-style sentence highlighting, 5 readability formulas, difficult words list, and adverb detection
Reading Speed Estimator
Test your reading speed and estimate time to finish any assigned reading
Research Paper Timeline Generator
Build a week-by-week research paper schedule working backward from your due date
Rubric Generator
Build a printable grading rubric with customizable criteria and performance levels
SAT Score Calculator
Calculate your SAT total score, percentile, and ACT equivalent from section scores
Scholarship Award Comparison
Compare scholarship offers by total value, net cost, and renewal risk
Scholarship Deadline Tracker
Track scholarship applications, deadlines, and requirements in one place — never miss a deadline
Scholarship Essay Word Count Guide
Reference guide for scholarship essay lengths, formats, and what each limit signals
Scholarship Search Checklist
Track scholarship applications, deadlines, and status in one place — saved locally
School Year Calendar Reference
Typical US school year start/end dates, holiday schedules, and semester calendars by state and school type — college vs K-12 comparison
Seating Chart Maker
Create classroom seating charts with drag-and-drop, seat locking, group color-coding, and print export
Spaced Repetition Calculator
Calculate optimal review intervals using the Ebbinghaus forgetting curve to memorize more with less study time
Student Budget Planner
Plan your monthly college budget across income and expenses to see your surplus or deficit
Student Loan Comparison Calculator
Compare up to 4 student loans side by side — monthly payment, total cost, and interest
Student Loan Forgiveness Eligibility Checker
Check PSLF, IDR, and other federal forgiveness program eligibility
Student Loan Forgiveness Simulator
Compare PSLF, IDR, and standard repayment paths with total cost analysis over 25 years
Student Loan Repayment Calculator
Compare monthly payments under Standard, SAVE, PAYE, IBR, and ICR repayment plans
Study Session Planner
Generate a Pomodoro-based study schedule from your subjects, exam weights, and available hours
Study Time Calculator
Calculate recommended weekly study hours per course based on credit hours, difficulty, and GPA goal
Teacher Classroom Budget Calculator
Calculate annual out-of-pocket classroom spending and IRS educator expense deduction
Teacher Grade Curve Calculator
Apply grading curves to class grade distributions with visual histograms
Teaching Credential Cost Guide
Estimate teacher certification costs by state, program type, and testing fees
Textbook Cost Calculator
Compare new, used, rental, and digital textbook prices to find your cheapest option
Tuition Escalation Simulator
Project future college tuition costs at enrollment year and see your 529 savings gap
Tutoring Hourly Rate Calculator
Find your optimal tutoring rate based on subject, experience, and market
VARK Learning Style Assessment
Discover whether you learn best visually, auditorily, through reading/writing, or hands-on
Vocabulary Acquisition Rate Calculator
How long to build your target vocabulary size
Weighted Grade Calculator
Calculate your final weighted grade from multiple assignments and categories
Which Education Tool Do You Need?
Whether you're a student trying to figure out what grade you need on the final, a teacher grading an assignment, or a professor running a classroom, the right tool depends on your exact situation. These tools cover two main areas: academic performance and grading, and classroom and student utilities.
Tracking Grades and Academic Performance
Need to know your current GPA or how a new grade will affect it? The GPA Calculator handles both semester and cumulative GPA, and the Weighted Grade Calculator accounts for different point weights per assignment or assessment category. If you need to figure out exactly what score you need on a final exam to hit a target grade, the Easy Grader works backwards from your goal.
For writing assignments, the Essay Counter tracks word and character count against assignment requirements. The Reading Level Calculator analyzes text complexity using standard readability formulas (Flesch-Kincaid, Gunning Fog) — useful for teachers checking if reading material is appropriate for their grade level, or students writing at the right complexity for an assignment.
Science students have dedicated tools: the Molar Mass Calculator computes molecular weight from a chemical formula, the Dilution Calculator handles C1V1 = C2V2 dilution problems, and the pH Calculator converts between pH, pOH, hydrogen ion concentration, and hydroxide concentration — all the core chemistry conversions in one place.
Australian students can use the Australia HECS Calculator to estimate student loan repayment amounts based on income. The RAP Plan Calculator helps with tiered repayment scheduling.
Classroom and Student Tools
Teachers setting up a new classroom can use the Seating Chart Tool to arrange desks and assign students to seats visually. The Name Picker Wheel and Random Picker make it easy to call on students randomly — useful for participation, group assignments, or any situation where you need a fair random selection.
For research papers, the Citation Generator formats references in APA, MLA, Chicago, and other styles from book, website, or journal details. No more manually formatting citations — paste in the source details and get the citation string ready to copy.
Planning ahead for the academic year? The School Year Calendar generates a calendar view of the academic year with holidays and term breaks marked. The Learning Style Assessment helps students identify their primary learning style — visual, auditory, or kinesthetic — useful context for choosing study methods. Need to fill out a physical check for tuition or supplies? The Write a Check Guide walks through every field step by step.
Chemistry and Science Tools
Science courses at the high school and university level regularly require the same handful of calculations. The Molar Mass Calculator computes the molecular weight of a compound from its chemical formula — enter the formula (e.g., H2O, C6H12O6) and it sums the atomic masses from the periodic table automatically. The Dilution Calculator solves C1V1 = C2V2 problems for preparing solutions in chemistry lab — useful when making stock solutions or diluting to a working concentration. The pH Calculator converts between pH, pOH, hydrogen ion concentration [H+], and hydroxide concentration [OH−] — all the conversions from the same tool.
These science tools are designed to be fast enough to use mid-problem set, not just for checking answers. All calculations run in your browser without sending any data to external servers — so there's no concern about using them in academic settings where privacy matters.
Supporting Non-Traditional Students
Not all students follow the traditional four-year path. Australian students navigating the HECS-HELP system can use the Australia HECS Calculator to estimate their repayment schedule based on projected income — the income-contingent repayment system can be confusing without seeing the actual numbers. The RAP Plan Calculator addresses tiered repayment structures that apply to certain Australian course types. For students using online tutoring platforms or educational apps that track reading progress, the Reading Level Calculator provides objective grade-level scoring that complements platform-specific metrics.
FAQ
Are these tools free?
Yes, every tool is completely free to use with no signup, no account, and no hidden fees.
Is my data safe?
Absolutely. All calculations run locally in your browser. No data is sent to any server or stored anywhere.
Do I need to create an account?
No. Every tool works instantly with no registration required. Just open and start using.
How do I calculate what grade I need on my final exam?
Use the Easy Grader — enter your current grade, the weight of the final exam, and your target course grade. It calculates the exact score you need on the final to hit your goal.
Which citation format does the citation generator support?
The citation generator supports APA, MLA, Chicago, and Harvard formats. Enter the source type (book, website, journal article) and fill in the details to get a properly formatted citation string.
What's the difference between GPA and weighted GPA?
Standard GPA treats all courses equally. Weighted GPA gives more credit to honors, AP, or IB courses — a B in an AP class may count as much as an A in a standard class. The weighted grade calculator handles course-level weights.
Can teachers use these tools in the classroom?
Yes. The seating chart, name picker wheel, and random picker are designed for classroom use. The easy grader and reading level calculator are also useful for lesson planning and assignment design.