# StudyZoneHub

> Free online tools for students: GPA calculator, final grade calculator, study planner, Pomodoro timer, flashcards, word counter, percentage calculator and exam countdown. No signup required.

StudyZoneHub is a collection of simple, fast, ad-light tools that help high school and college students plan, calculate, and improve their academic work.

## Tools

- [GPA Calculator](/tools/gpa-calculator): Calculate semester, cumulative and weighted GPA on a 4.0 scale.
- [Final Grade Calculator](/tools/grade-calculator): Find out what grade you need on your final exam from weighted assignments.
- [Pomodoro Study Timer](/tools/pomodoro-timer): Free 25-minute focus timer for study sessions.
- [Study Planner](/tools/study-planner): Build a weekly study schedule.
- [Flashcard Generator](/tools/flashcard-generator): Make free online flashcards for study.
- [Word Counter](/tools/word-counter): Count words, characters and reading time for essays.
- [Percentage Calculator](/tools/percentage-calculator): Percent of, percent increase, percent decrease and percent change.
- [Percentage to CGPA Calculator](/tools/percentage-to-cgpa): Convert percentage to CGPA on a 10-point scale using the standard ÷9.5 formula.
- [SAT Score Calculator](/tools/sat-score-calculator): Estimate your digital SAT score (400–1600) from Reading & Writing and Math performance.
- [Exam Countdown Timer](/tools/exam-countdown): Days until your next exam or finals.
- [Essay Outline Tool](/tools/essay-outline): Free essay outline generator that creates an introduction, body paragraphs and conclusion structure in seconds.

## Guides

- [GPA Scale Guide (4.0)](/guides/gpa-scale-guide): How the 4.0 GPA scale works, letter-grade and percentage conversions.

## Pages

- [Home](/): Overview of StudyZoneHub.
- [About](/about): About StudyZoneHub — free student tools for smarter learning.
- [All Tools](/tools): Index of every tool.