Scientific calculator
Use a free online scientific calculator for advanced math, trigonometry, exponents, roots, and more.
Free web browser tools
Student
Check scores, calculate credit-weighted GPA, manage study time, and prepare written work with simple browser utilities.
GPA calculator
Calculate a credit-weighted GPA online from course grades and credit hours using a standard 4.0 scale. Add or remove courses and see total credits instantly.
Fraction calculator
Calculate fractions online. Add, subtract, multiply, divide, simplify, and convert fractions easily.
Grade / test score calculator
Calculate test grades, percentages, and final scores from points earned and total points possible.
Student FAQs
How are tags used on ReallyUseful.Tools?
Tags group tools by shared traits such as file converter, in browser, or privacy friendly so you can filter the directory by feature.