Mathematics

Daily mathematical calculations and converters.

Calculator

Standard four-function calculator.

Base Converter

Convert numbers between binary, octal, decimal, and hex.

Percentage Calculator

Free online percentage calculator tool.

Average Calculator

Free online average calculator tool.

Trapezoid Calculator

Free online trapezoid calculator tool.

Prime Number Checker

Free online prime number checker tool.

Fraction Simplifier

Free online fraction simplifier tool.

Mixed Number Calculator

Free online mixed number calculator tool.

Percentage Increase Calculator

Free online percentage increase calculator tool.

Percentage Decrease Calculator

Free online percentage decrease calculator tool.

Percentage Difference Calculator

Free online percentage difference calculator tool.

Ratio Calculator

Free online ratio calculator tool.

Proportion Calculator

Free online proportion calculator tool.

Factorial Calculator

Free online factorial calculator tool.

Square Root Calculator

Free online square root calculator tool.

Cube Root Calculator

Free online cube root calculator tool.

Logarithm Calculator

Free online logarithm calculator tool.

Modulo Calculator

Free online modulo calculator tool.

Absolute Value Calculator

Free online absolute value calculator tool.

Triangle Calculator

Free online triangle calculator tool.

Circle Calculator

Free online circle calculator tool.

Rectangle Calculator

Free online rectangle calculator tool.

Square Calculator

Free online square calculator tool.

Parallelogram Calculator

Free online parallelogram calculator tool.

Sphere Calculator

Free online sphere calculator tool.

Cube Calculator

Free online cube calculator tool.

Cylinder Calculator

Free online cylinder calculator tool.

Cone Calculator

Free online cone calculator tool.

Pythagorean Theorem Calculator

Free online pythagorean theorem calculator tool.

Distance Calculator

Free online distance calculator tool.

Midpoint Calculator

Free online midpoint calculator tool.

Slope Calculator

Free online slope calculator tool.

About Mathematics

Free online math calculators for everyday calculations, schoolwork, business, engineering, and more. Quickly calculate percentages, fractions, algebra, geometry, averages, ratios, and other mathematical problems without doing the calculations manually. Each calculator provides fast and accurate results and is designed to work on desktop, tablet, and mobile devices. Many tools also show the formula and calculation steps, making them useful for both learning and checking your work.

Frequently Asked Questions

Yes. All of our online math calculators are completely free to use. There are no subscriptions, hidden fees, or payment requirements.

Yes. The calculators are fully responsive and work on smartphones, tablets, laptops, and desktop computers without requiring an app installation.

The calculators use standard mathematical formulas and JavaScript's built-in numerical capabilities to provide fast and reliable results. For extremely large or highly precise numbers, results can be affected by standard floating-point limitations.

Many calculators perform their calculations directly in your browser after the page has loaded. This means they may continue working if your connection is temporarily interrupted, depending on the specific tool and whether all required resources are already loaded.

No. Mathematical calculations are performed directly in your browser. The numbers you enter and the calculated results are not stored by the calculator itself.

The calculators can handle large numbers within the numerical limits of modern JavaScript. Extremely large values may be displayed using scientific notation or may exceed standard JavaScript numerical precision.

Yes. Many individual calculator pages show the mathematical formula used to produce the result, along with examples or calculation steps to help you understand how the answer was obtained.