Free tools for students
Work out your GPA, check a math answer, hit the word count and cite your sources, then plan the week. No signup and nothing to install.
Grades and GPA
See your GPA on a 4.0 scale, find the score you need on the final and turn points into a percentage.
- GPA CalculatorYour GPA from letter grades and credits, weighted for honors and AP, plus cumulative GPA.
- Final Grade CalculatorThe score you need on the final exam to get the grade you want.
- Grade CalculatorYour current grade from weighted assignments, tests and quizzes, as a percent and a letter grade.
- Percentage CalculatorWhat is X% of Y, percent change, and more.
- Average CalculatorMean, median, mode, range and weighted average of a list of numbers.
Math and science homework
Calculators that show the steps where it helps: fractions, quadratic equations, matrices, statistics and graphs of functions.
- Scientific CalculatorA full scientific calculator with trig, logs, powers, memory and history, using your keyboard.
- Graphing CalculatorPlot up to five functions, zoom and trace them, and find roots, intersections and a table of values.
- Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers, with steps.
- Quadratic Equation SolverSolve ax² + bx + c = 0 with the quadratic formula, step by step, including complex roots and a graph.
- Standard Deviation CalculatorStandard deviation and variance of a data set, sample or population, with steps.
- Matrix CalculatorMultiply, add and invert matrices up to 6×6, with determinant, rank, RREF and every row operation in exact fractions.
- Significant Figures CalculatorCount the significant figures in a number and round any number to the sig figs you need, with the rules shown.
- Long Division CalculatorDivide numbers with long division step by step, with the remainder or the decimal result.
Essays and papers
Count words and characters, cite a book or website in APA, MLA or Chicago, compare two drafts and convert the paper between Word and PDF.
- Word CounterWords, characters, sentences and reading time.
- Citation GeneratorCite websites, books, articles and videos in APA, MLA and Chicago style.
- Character CounterCount characters with and without spaces, plus words, lines and limits for posts, titles and SMS.
- Readability CheckerCheck how easy your text is to read with Flesch Reading Ease, grade levels and long sentences highlighted.
- Text CompareCompare two texts side by side and see every added, removed and changed word or line highlighted.
- Word to PDFConvert a Word .docx or .txt file to a PDF with selectable text, Letter or A4, with a preview, in your browser.
- PDF to WordTurn a PDF into an editable Word document (.docx) in your browser, with headings and lists.
Studying and focus
Study in focused blocks with breaks, learn with flashcards, keep notes in the browser and practice typing.
- Focus TimerFocus sessions and breaks in a loop: 25/5 by default, with auto-start, sound and alerts.
- Flashcard MakerMake flashcards, study them with flip and shuffle, and print them as cards, all in your browser.
- Online NotepadA quick notepad in your browser with word count and download, saved on your device only if you turn it on.
- Typing Speed TestCheck your typing speed in WPM and your accuracy in 15 to 120 seconds, with a speed chart and your personal best.
Templates to print or edit
All templatesFree apps and resources, checked by hand
All free lists- Free Software for Students16 programs, each checked on the official page
- Free Office Suites10 suites, each checked on the official page
- Free AI for Students10 offers, each checked on the official page
- Free Citation Generators and Reference Managers10 tools, each checked on the official page
- Free Math Tools for Students12 tools, each checked on the official page
- Free Note-Taking Apps15 apps, each checked on the official page
- Free Sites to Learn to Code11 sites, each checked on the official page
- Free Language Learning Apps12 apps, each checked on the official page
Guides
All guides- How Many Pages Is 1,000 Words? Words per Page, MeasuredWords per page for Times New Roman, Arial and Georgia at 11 and 12 pt, single to double spaced, on Letter and A4, measured in a browser, plus reading time.
- How Many Hours to Study per Credit Hour in CollegeA credit hour assumes at least 2 hours of work outside class per hour in class. Weekly totals for 12, 15 and 18 credits, a job, and a weekly study plan.
- Z-Table: Negative and Positive Standard Normal TableThe standard normal table for z from −3.49 to 3.49 to four decimals, checked against NIST. How to read left, right and between areas, with worked examples.
- Divisibility Rules for 2 to 12: Quick Tests With ExamplesTell at a glance whether a number divides by 2 to 12 or 25: each rule, a checked example, why the rules work, and where they save time.
- Percent Error vs Percent Change vs Percent DifferenceThree formulas that look alike and answer different questions: which value is the denominator, when each applies, worked examples, and percentage points.
- How to Study With Flashcards: Spaced Repetition ExplainedWhy flashcards work: the testing and spacing effects from three studies, an expanding review schedule, the five-box method, and how to write good cards.
The calculators and text tools run in your browser, so what you type for an assignment stays on your device. The planners print or fill in on screen.