Education & Student Tools
Tools for studying and teaching: work out grades and attendance, format citations correctly, practise typing and keep track of study time.
All 80 education tools
Grouped by what they do.
Grades & GPA
10 toolsWork out marks, grades and grade points.
- CGPA to Percentage Calculator CGPA to percentage by the official rule of your board or university, with the source.
- GPA Calculator Term and cumulative GPA from letter or percentage grades and credits, with the working.
- Grade Calculator Your course grade from weighted categories or points — plus what you need on the rest.
- Marks Percentage Calculator Total, percentage and best-of-five from your subject marks, with a pass check.
- Attendance Calculator Your attendance %, the classes you need for 75% and the ones you can still miss.
- Final Grade Calculator What you need on the final for each letter grade, and the grade a final score gives you.
Show all 10 Show fewer Grades & GPA tools
- Z-Score & Normal Distribution Calculator z-scores, normal probabilities and percentiles — with a shaded bell curve and a z-table.
- Test Grade Calculator Number wrong → percentage and letter grade, with a printable chart for the whole test.
- SGPA Calculator Semester grade point average from credits and grades, with the working and backlogs shown.
- CGPA Calculator CGPA from your semester SGPAs and credits, with what-if semesters and a target planner.
Exams & admissions
2 toolsScores and age rules for exams and admissions.
Citations & references
5 toolsFormat references in the style you need.
- APA Citation Generator (7th Edition) APA 7 references and in-text citations, with autofill from a DOI, ISBN or URL.
- MLA Citation Generator (9th Edition) MLA 9 Works Cited entries and in-text citations, built from the core elements.
- Chicago Citation Generator (18th Edition) Chicago 18 notes, bibliography and author-date citations, with a Turabian mode.
- Harvard Referencing Generator Cite Them Right Harvard references, with switches for your university’s version.
- Citation Generator Seven citation styles from one form — autofill from a DOI or ISBN and build your list.
Writing & research
10 toolsPlan, format and check academic writing.
- LaTeX Table Generator Edit a table like a spreadsheet and get clean LaTeX code with the packages it needs.
- Readability Checker Seven readability formulas with their workings, plus the hardest sentences to fix.
- Passive Voice & Writing Style Checker Find passive voice, wordiness and other habits that make writing hard to read.
- Syllable Counter & Haiku Checker Syllables by sound, line by line — with a 5-7-5 check for haiku.
- Text to Handwriting Typed text written out by hand on notebook paper, ready to save as PDF or PNG.
- Rhyme Finder Rhymes by sound, not spelling — plus the rhyme scheme of your lyrics.
Show all 10 Show fewer Writing & research tools
- Thesaurus (Synonyms & Antonyms) Synonyms and opposites grouped by meaning, with definitions and examples.
- Inclusive Language Checker Spot words that may exclude or hurt readers — with alternatives and the reason why.
- Text Summarizer (Extractive) Pick the key sentences of any article — your own words, never rewritten.
- Text Similarity Checker How much do two texts share? Four measures and every copied passage, side by side.
Study & planning
1 toolPlan study time and learn with your own material.
Practice & tests
2 toolsPractise skills and test yourself.
For teachers
7 toolsMake classroom materials and run lessons.
- Math Worksheet Generator Printable maths worksheets and answer keys for nine primary skills, made in your browser.
- Multiplication Table Generator Any times table, a highlighted multiplication chart and a timed quiz, printable as PDF.
- Venn Diagram Maker Paste lists or type set sizes: every overlap counted, listed and drawn.
- Word Finder (Crossword & 5-Letter Helper) Crossword patterns, letter filters and a five-letter game helper — common words first.
- Random Team Generator (Balanced by Skill) Fair teams in one click — random, or balanced by skill, with your rules.
- Bingo Card Generator (75-Ball, 90-Ball, Words) Unique printable cards, a fair caller and a winner checker for any bingo game.
- Printable Grid & Graph Paper Generator Vector graph, dot, isometric, lined and design paper — print at 100% for true scale.
Math & subject calculators
43 toolsCalculators and solvers for homework.
- Circle Calculator One value gives the rest — plus arcs, sectors, segments and the circle’s equation.
- Matrix Calculator Matrices up to 10 × 10 in exact fractions — every step, from determinants to the SVD.
- Prime Factorization & Factors Calculator 360 = 2³ × 3² × 5 — with the factor tree, the ladder and every factor.
- Quadratic Equation Solver Any rearranged quadratic solved exactly three ways, with discriminant, vertex and graph.
- Ratio & Proportion Calculator Simplify, solve, scale and share ratios — with every step shown.
- Standard Deviation Calculator σ and s with the full working — for lists, frequency tables and class intervals.
Show all 43 Show fewer Math & subject calculators tools
- Area Calculator Area and perimeter of 22 flat shapes, with the formula, every step and a labelled diagram.
- LCM & HCF (GCD) Calculator HCF and LCM with the working shown three ways — prime factors, ladder and Euclid.
- Mean, Median, Mode & Average Calculator Every kind of average with the working — lists, frequency tables and class intervals.
- Scientific Calculator Type or tap: trig, logs, roots and constants, with exact answers when they exist.
- Significant Figures Calculator Counts sig figs digit by digit, rounds correctly and applies the rules to + − × ÷.
- Slope & Line Equation Calculator Two points, a point and slope, or an equation — every form of the line, with steps.
- System of Equations Solver Linear systems in exact fractions — six methods, every step, and a graph for two unknowns.
- Distance, Midpoint & Section Formula Calculator Distance, midpoint and section formula in 2D or 3D, with every step and a plot.
- Factoring Calculator (Factor, Expand & Simplify) Complete factorisation over the integers with named steps, plus expand and simplify.
- Graphing Calculator Plot equations, curves and regions, then trace them, slide them and share them.
- Scientific Notation Calculator Standard form ⇄ a × 10ⁿ, E notation and SI prefixes — plus + − × ÷ with the steps.
- Volume Calculator Volume of 14 solids with steps and diagrams, in litres, m³, ft³ or gallons, plus weight.
- Fraction Calculator Exact fraction answers with the working shown — LCD, cross-cancelling and all.
- Probability Calculator Exact answers with the working — from coin tosses and dice to Bayes’ theorem.
- Sequence & Series Calculator (AP, GP & Pattern Finder) Arithmetic, geometric and harmonic progressions, pattern finder and exact Σ / Π.
- Square Root & Cube Root Calculator Roots to any precision, simplified radicals with steps, and every complex root.
- Surface Area Calculator CSA, LSA and TSA of 14 solids with formulas, slant-height working and diagrams.
- Trigonometry Calculator Six functions and their inverses, exact values, equations and identity checks.
- Decimal to Fraction Converter Decimals, repeating decimals, fractions and percents — converted exactly, with the method.
- Derivative Calculator Every rule shown — product, quotient, chain — plus partials, implicit dy/dx and tangents.
- Logarithm & Antilog Calculator log, ln and log_b to high precision — with change of base, log laws and log tables.
- Permutation & Combination Calculator Exact counts with the formula and steps — and the actual arrangements for small cases.
- Triangle Calculator Any three values give every side, angle, height, median, radius and centre — with steps.
- Unit Circle Chart & Calculator Drag the point to see (cos θ, sin θ) — and print a unit circle chart.
- Descriptive Statistics Calculator Every summary statistic of your data, with a box plot, histogram and stem-and-leaf.
- Equation Solver Solve for x: exact answers where they exist, every root checked, both sides graphed.
- Integral Calculator Antiderivatives with steps, definite and improper integrals — every answer checked.
- Long Division Calculator Long division written out step by step, in the US/UK or Indian layout.
- Pythagorean Theorem Calculator a² + b² = c² with every step: exact surds, the converse, box diagonals and triples.
- Sample Size Calculator How many to ask or measure — for a survey, a mean or a comparison of two groups.
- Big Number Calculator Every digit exact: huge sums, products, powers, roots and factorials.
- Long Multiplication Calculator Column, grid or lattice multiplication written out with every carry.
- Order of Operations Calculator (BODMAS & PEMDAS) BODMAS/PEMDAS one step at a time, in exact fractions, with every rule named.
- Percent Error Calculator How far a measurement is from the accepted value — with the working shown.
- Random Word Generator Random nouns, verbs and adjectives for games, prompts and practice — truly random.
- Rounding Calculator Decimal places, sig figs or any multiple — every rounding mode side by side.
- Exponent Calculator Exact powers, radical forms, bˣ = y solved and the exponent laws explained.
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Education tools A–Z
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- Sample Size Calculator
- Scientific Calculator
- Scientific Notation Calculator
- Sequence & Series Calculator (AP, GP & Pattern Finder)
- SGPA Calculator
- Significant Figures Calculator
- Slope & Line Equation Calculator
- Square Root & Cube Root Calculator
- Standard Deviation Calculator
- Study Focus Timer
- Surface Area Calculator
- Syllable Counter & Haiku Checker
- System of Equations Solver
T
Collections with education tools
All collections →- 174 tools Students Grades, marks & exams · Essays & writing · Citations & references · 4 more
- 95 tools Engineers Electrical & electronics · Mechanical, fluids & HVAC · Civil & construction · 3 more
- 118 tools Creators & social media Posts, captions & hashtags · YouTube · Images & graphics · 3 more
- 42 tools Construction & home Concrete, bricks & steel · Finishes, roofs & outdoors · Electrical, water & cooling · 2 more
Good to know
- 75 of 80 tools run entirely in your browser; the other 5 explain on their pages what they send.
- 79 of 80 keep working without a connection once loaded.
- 10 of 80 tools use the network for part of their work; each one says on its page what it sends and where.
Other categories
All tools →- 132 tools Developer Format, validate, encode, decode.
- 40 tools Data CSV, Excel, tables, charts.
- 95 tools Text Count, clean, sort, compare.
- 92 tools Image Compress, resize, convert, crop.
- 55 tools PDF Merge, split, extract, convert.
- 35 tools Audio & Video Convert, trim, compress media.
- 56 tools Design Colours, gradients, CSS.
- 36 tools SEO Meta tags, sitemaps, schema.
- 27 tools Social Media Captions, previews, limits.
- 94 tools Finance Loans, savings, interest, tax.
- 78 tools Business Invoices, quotes, margins.
- 39 tools Legal Templates and legal maths.
- 48 tools Health BMI, calories, pregnancy.
- 51 tools Math Calculators and solvers.
- 45 tools Science Physics, chemistry, astronomy.
- 31 tools Engineering Electronics, electrical, mechanical.
- 29 tools Construction Materials, area, home costs.
- 36 tools Network DNS, headers, IPs, subnets.
- 35 tools Security Passwords, encryption, keys.
- 33 tools Converters Every unit, exact factors.
- 75 tools Utility Convert, count down, randomise.