34 free tools · Student Tools
Free online
Student tools.
Calculators and study tools for high school and college: work out your GPA and the grade you need on the final, check fractions and statistics homework step by step, cite sources and time your study sessions. Free, no sign-up, and your grades stay on your device.
Browse 34 toolsStudent Tools
34 tools · Free to use
Citation Generator
Instantly generate accurate APA, MLA, Chicago, and Harvard citations. Export to Word or BibTeX.
Text Processing
APA Citation Generator
Build APA 7 references for books, journal articles, and websites. Format citations in your browser, import BibTeX, and export to Word. Free, with no signup.
Text Processing
MLA Citation Generator
Create MLA 9 Works Cited entries for books, journal articles, and websites. Keep source details in your browser and export to Word or BibTeX. Free to use.
Text Processing
Chicago Citation Generator
Build Chicago Author-Date references for books, journal articles, and websites. Format citations locally in your browser and export to Word or BibTeX.
Text Processing
Harvard Citation Generator
Generate Harvard author-date references for books, articles, and websites. Enter details privately in your browser, import BibTeX, and export to Word.
Text Processing
Online Math Editor
Free online math editor: type equations visually or in LaTeX, with a math keyboard and symbols. Copy to Word or Google Docs, or export PNG and SVG. No signup.
Productivity
Online Equation Editor
Free online equation editor and equation writer. Build equations visually or in LaTeX, then copy to Word or Google Docs or download PNG, SVG and PDF. No signup.
Productivity
LaTeX Equation Editor
Write LaTeX math with a live preview, clear error messages and 200+ clickable symbols. Render to PNG, SVG or PDF, or copy MathML. Free, private, no signup.
Productivity
LaTeX to Word Equation
Convert LaTeX to an editable Microsoft Word equation. Paste LaTeX or type visually, click Copy for Word, then paste into Word. Free, private, no add-in.
Productivity
Grade Calculator
Free grade calculator: enter categories, weights or points to get your class grade and letter, see what you need on the final, and score tests. No sign-up.
Calculators
Final Grade Calculator
Find the score you need on your final exam to get an A, B or C. Enter your current grade, the final’s weight and your goal; see every letter. Free, no sign-up.
Calculators
Weighted Grade Calculator
Calculate a weighted grade from categories like homework 20% and exams 50%. Use percent weights or points; weights need not add to 100. Free, private.
Calculators
Test Grade Calculator
Enter the number of questions and how many you got wrong to get your test score as a percentage and letter grade, with a grading chart. Free, instant.
Calculators
Easy Grader
Free online easy grader for teachers. Enter the number of questions to get a printable grading chart with the percentage and letter for every number wrong.
Calculators
Standard Deviation Calculator
Free standard deviation calculator: paste numbers to get sample and population SD, variance, mean, median, quartiles and z-scores, with every step shown.
Calculators
Variance Calculator
Free variance calculator: paste a data set to get sample variance (s²) and population variance (σ²), the sum of squares and standard deviation, with steps.
Calculators
Sample Standard Deviation Calculator
Find the sample standard deviation s of a data set with the n − 1 formula, plus sample variance, mean and standard error, with every step shown. Free.
Calculators
Population Standard Deviation Calculator
Calculate the population standard deviation σ and population variance σ² of a data set, dividing by N, with step-by-step working. Free, no sign-up.
Calculators
Z-Score Calculator
Free z-score calculator: find z from a value, mean and standard deviation, with its percentile and normal probability, or z-scores for a whole data set.
Calculators
Quartile and IQR Calculator
Find Q1, the median, Q3 and the interquartile range of a data set, with the five number summary, outliers and a box plot. Textbook and Excel methods.
Calculators
Mean Absolute Deviation Calculator
Find the mean absolute deviation (MAD) of a data set: the average distance from the mean, with each step and the absolute deviations table shown. Free.
Calculators
Fraction Calculator
Add, subtract, multiply and divide fractions, mixed numbers and whole numbers. Get simplified, mixed and decimal answers with clear steps. Free.
Calculators
Mixed Number Calculator
Add, subtract, multiply and divide mixed numbers, fractions and whole numbers. Convert mixed numbers to improper fractions and back, with every step.
Calculators
Simplify Fractions Calculator
Reduce any fraction or mixed number to lowest terms. See the greatest common factor, the prime factors and each step. Works with very large numbers.
Calculators
Fraction to Decimal Calculator
Convert fractions and mixed numbers to decimals and percentages. Shows repeating decimals with a bar, the long division steps and a conversion chart.
Calculators
Decimal to Fraction Calculator
Convert any decimal to a fraction in simplest form, including repeating decimals like 0.333... Round to the nearest 1/16 or 1/64 inch. Steps shown.
Calculators
Common Denominator Calculator
Find the least common denominator (LCD) of 2 to 10 fractions, rewrite them as equivalent fractions and order them from least to greatest. With steps.
Calculators
GPA Calculator
Free GPA calculator for high school and college. Add classes, credits and letter or percent grades to get your semester, cumulative and weighted GPA. No signup.
Calculators
College GPA Calculator
Free college GPA calculator: enter courses, credit hours and grades to get your semester GPA and cumulative GPA on a 4.0 scale, plus the GPA you need next term.
Calculators
High School GPA Calculator
Free high school GPA calculator. Add classes, grades and Honors, AP or IB levels to see your weighted and unweighted GPA for each semester and overall. No signup.
Calculators
Cumulative GPA Calculator
Free cumulative GPA calculator: combine your current GPA and credits with new semester grades to get your overall GPA, and see what you need to reach a target.
Calculators
Weighted GPA Calculator
Free weighted GPA calculator with your unweighted GPA beside it. Mark Honors (+0.5), AP, IB and dual enrollment (+1.0) classes, or set your school’s own weights.
Calculators
Middle School GPA Calculator
Free middle school GPA calculator. Type report card percentages or letter grades, no credits needed, and get a GPA on the 4.0 scale for 6th, 7th and 8th grade.
Calculators
Raise GPA Calculator
Free raise GPA calculator: enter your current GPA, credits and target to see the GPA you need next semester, or how many credits of A’s it takes to get there.
Calculators
A quick guide
Choosing the right Student tools
Most student calculators answer one question and leave you to do the rest. These go a step further: the GPA calculator handles several semesters, weighted honors and AP classes and your cumulative GPA, and the grade calculators tell you exactly what you need on the final to reach the grade you want. The math tools show their working, so you can check homework instead of just copying an answer.
Everything runs in your browser. Your grades and course lists are saved on your own device, not on a server, and there is no account to create.
Digital ToolPad brings together 34 free Student tools in one collection. Open a tool, add your input, and review the result on your device. All tool processing happens in your browser, without uploading your data to our servers for processing.
Are my grades saved anywhere?
Only on your device. The calculators keep your courses and scores in this browser's local storage so they are still there next time. Nothing is sent to a server, and you can clear it at any time.
Do these calculators show their working?
Yes. The fraction and standard deviation calculators show each step, and the GPA and grade calculators show how every course or category contributes to the result.
Are the tools free?
Yes. Every tool is free, with no sign-up and no limits on how many times you use it.
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