Free Online Tools for Students — Math, Science, Writing & More
Everything a student needs, free in the browser.
Math Homework
Solve quadratic equations, calculate derivatives, find standard deviations, check if numbers are prime, and more. Our 200+ math tools cover algebra, trigonometry, calculus, statistics, and number theory.
Science Labs
Physics calculators for momentum, gravitational force, and Snell's law. Chemistry tools for molality, Gibbs free energy, Henderson-Hasselbalch equation, and dilution calculations.
Writing & Research
Word counter, readability scorer, reading time estimator, text-to-slug converter, and Markdown tools. Check your essays for duplicate words and analyze text statistics.
Unit Conversion
1,200+ unit converters for any assignment. Convert between metric and imperial, scientific units, cooking measures, and more.