Student Calculators
Academic calculators for GPA planning, percentages, grades, attendance, and study scheduling.
25 tools
Explore Student toolsOnline Tools and Calculators
Free calculators and tools for school, work, life, and money
Online Tools and Calculators is built as an SEO-first static web app with clear formulas, mobile-friendly forms, and crawlable pages for every tool. Use the category hubs below or browse the complete tools index.
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Daily-Life Calculators
Practical tools for dates, schedules, routines, budgets, and common daily calculations.
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Text utilities and randomization tools for writing workflows, editing, and quick planning tasks.
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Finance calculators for loans, taxes, savings, retirement, and household budgeting estimates.
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Fast math tools for arithmetic, algebra, probability, statistics, and number-system operations.
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Convert units for length, area, temperature, speed, storage, time, engineering units, and more.
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Browser-side PDF utilities for merge, split, extract, rotate, convert, and metadata workflows.
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Client-side tools for JSON/XML/CSV transformations, encoding, hashing, timestamp conversion, and quick code cleanup.
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Explore Developer toolsFeatured Tools
GPA Calculator
Calculate grade point average from total quality points and credits.
Cumulative GPA Calculator
Combine previous and current term performance into one cumulative GPA.
Semester GPA Calculator
Estimate semester GPA based on quality points and attempted credits.
Grade Calculator
Convert earned points into an easy-to-read grade percentage.
Final Grade Calculator
Project your final course grade using weighted current and exam scores.
Required Final Exam Score Calculator
Find the exam score needed to reach your target course grade.
Percentage Calculator
Compute percentage values from part and whole numbers.
Percentage Increase/Decrease Calculator
Measure percent increase or decrease between two values.
Marks Percentage Calculator
Turn marks obtained and total marks into a percentage.
GPA to Percentage Calculator
Convert GPA scores into percentage estimates.
Percentage to GPA Calculator
Estimate GPA from percentage using your selected GPA scale.
Weighted Grade Calculator
Compute weighted grades from category scores and weights.
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Results are generated in your browser and presented as practical outputs with assumptions shown where relevant. Finance tools include estimate disclaimers for responsible use.