Welcome to Online Calculator! We have a range of free, easy to use calculators, conversion tools, and much more! Our tools are designed to help you perform a wide range of calculations and …

Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, …

To calculate a percentage, you typically divide the part (the smaller value) by the whole (the larger value), and then multiply the result by 100. This gives you the percentage value as a number …

Volumes of many shapes can be calculated by using well-defined formulas. In some cases, more complicated shapes can be broken down into simpler aggregate shapes, and the sum of their …

Fast online calculator for advanced math, currency conversion, date manipulation & unit conversions. Free, real-time calculations—no sign-up required.

Perform accurate percentage calculations, unit conversions, and other operations quickly and reliably.