Education Tools
GPA, grades, averages and study helpers.
20 free tools · no sign-up · runs in your browser
Calculate your grade point average from course grades and credit hours.
Combine semester GPAs into a cumulative CGPA weighted by credits.
Convert marks scored and total marks into a percentage and letter grade.
Find the exam score you need to reach your target course grade.
Compute a weighted average from assignment grades and their weights.
Work out your attendance % and how many classes you can miss or must attend.
Find the mean, median, mode, range and standard deviation of a set of numbers.
Simplify ratios and solve proportions (A:B = C:D).
Convert numbers to Roman numerals and back (1–3999).
Spell out numbers in words, including decimals and negatives.
Turn questions and wrong answers into a score, percentage and letter grade.
Convert between decimal numbers and scientific (E) notation.
Add, subtract, multiply and divide fractions and get a simplified answer.
Find the greatest common divisor and least common multiple of any numbers.
Build, edit and preview math equations with a symbol palette, then copy the LaTeX.
A WYSIWYG math editor: type equations visually, handwrite or snap a photo, then copy as LaTeX or MathML.
Calculate the factorial (n!) of any number with exact big-integer precision.
Check whether a number is prime, and get its prime factorization if not.
Calculate permutations (nPr) and combinations (nCr) for n and r.
Solve any quadratic ax²+bx+c=0 for real or complex roots, with the discriminant.
About Education Tools
GPA, grades, averages and study helpers. All 20 tools in this collection are free and run entirely in your browser — there's no sign-up, nothing to install, and your data never leaves your device. Pick a tool above to get started, or read the step-by-step how-to guides for each one.
Frequently asked questions
Are these education tools free?＋
Yes — every tool in the Education Tools collection is completely free, with no sign-up, no watermark and no limits on the core features.
Do the education tools work on mobile?＋
Yes. They run in any modern web browser on phone, tablet or desktop, and many keep working offline once you've opened them.
Is my data safe?＋
Yes — these tools run entirely in your browser, so your files, text and data are processed locally and never uploaded to a server.