This utility calculates proportions between two values expressed as percentages. It allows you to find any unknown value in a percentage equation, including percent increases or decreases.






8+ similar apps compared and reviewed
Whether you want more options like Factorial Calculator or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.











This utility calculates proportions between two values expressed as percentages. It allows you to find any unknown value in a percentage equation, including percent increases or decreases.






This utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.


This calculator is designed for users who need to perform basic arithmetic operations with very large numbers. It features an oversized number pad and a large display for easy readability and input.


This app simplifies solving quadratic equations by allowing users to input coefficients a, b, and c. It quickly displays the solutions for x, including support for imaginary numbers. Users can also switch between light and dark themes for a personalized experience.


This app helps users find the factors of numbers, calculate the Greatest Common Factor (GCF) for two or more numbers, and simplify fractions. It's a useful tool for understanding number theory concepts and performing fraction simplification.


A free calculator app offering a clean interface with essential functions. It includes a detailed calculation history, allowing users to easily copy and paste numbers. The app also features a simple time interval calculator.

