shtools is a free web platform of math tools and calculators built for school students. There is no account to create, nothing to download, and nothing costs money. Just open the page and start working.
shtools includes a full scientific calculator with six visual themes, plus more than 15 interactive math tools designed for middle and high school students. You will find a fraction calculator with pie-chart visuals, a percentage calculator with animated rings, a geometry calculator with live SVG shapes, a graphing calculator, a statistics calculator, and many more. Every tool gives instant visual feedback, no waiting and no reloading.
The tools are designed to look good on both phones and laptops. Our goal is to make math feel less intimidating by showing the work visually, not just giving a number.
Scientific Calculator, Fraction Calculator, Percentage Calculator, Unit Converter, Geometry Calculator, Graphing Calculator, Prime Number Checker, GCF & LCM Calculator, Ratio Calculator, Statistics Calculator, Exponent Calculator, Roman Numeral Converter, Times Table, Equation Solver, Triangle Calculator, and Number Base Converter.
Alongside the tools, the site has reference articles covering school-level topics like algebra formulas, fractions, polynomials, and factoring. These are written to be easy to read. Not a textbook replacement, but a quick reliable answer when you need one.
Mostly middle and high school students working through homework or studying for a test. Teachers also use it to demonstrate calculations in class. If you need a quick scientific calculator or a visual fraction helper on your phone without downloading an app, this site is built for you.
Found a bug, have a suggestion, or want to see a specific tool added? Send us an email at admin@shtools.site or use the contact page.
