Skip to main content

LocalSaved

Utilix

Free calculators and tools that show their work. Fast, private, and open about every formula.

© 2026 Utilix. All rights reserved.

Tools

Finance & money
Math & numbers
Developer tools
Units & conversion
Health & fitness

More

Date & time
Text & writing
Design & color
Random & generators
Everyday & lifestyle
SEO & marketing

Site

Search
Knowledge base
Favorites
Tags
Changelog
Privacy
Terms
Cookies

English (US) · Privacy-first · no analytics cookies until you opt in

Home
Tags
math

Tagged tools

math

3 tools match this tag.

Math & numbersPercentage CalculatorCalculate percentages three ways: find X% of a number, find what percent one number is of another, or compute the percentage change between two values.
Math & numbersRatio CalculatorSimplify ratios to their lowest terms and solve proportion problems (A:B = C:?). Shows the GCD, simplified ratio, and step-by-step calculation — free and instant.
Math & numbersPythagorean Theorem SolverSolve any right triangle with the Pythagorean theorem. Enter two sides and get the third side instantly, with full step-by-step working and triple detection.