๐งฎ Math Calculators
Essential mathematical tools for calculations, percentages, and basic arithmetic operations. Perfect for students, professionals, and everyday calculations.
Last updated: 2025-10-21 โ Compiled and reviewed by Calvin (Math Research, FreeCalculators.app)
Our math calculators provide accurate and efficient solutions for a wide range of mathematical problems. From basic arithmetic to complex percentage calculations, our tools help you solve problems quickly and accurately. Whether you're a student working on homework, a professional handling financial calculations, or someone who needs quick math solutions, our calculators are designed to be user-friendly and reliable.
Circle Geometry Calculator
Circle Calculator | Radius, Diameter, Circumference & Area Calculator
Complete circle calculator: calculate radius, diameter, circumference, and area from any one known value. Free online circle calculator with formulas and step-by-step solutions.
Circumference Calculator | Free Online Circle Perimeter Tool
Calculate the circumference of a circle using radius or diameter. Free online circumference calculator with C = 2ฯr and C = ฯd formulas, step-by-step solutions.
Area of a Circle Calculator | Free Online Circle Area Tool
Calculate the area of a circle using radius or diameter. Free online circle area calculator with ฯrยฒ formula, unit conversion, and step-by-step solutions.
Arc Length Calculator | Free Online Circle Arc Length Tool
Calculate arc length of a circle using radius, diameter, and angle in degrees or radians. Free online arc length calculator with step-by-step solutions and formulas.
Semicircle Area Calculator | Free Online Half Circle Area & Perimeter Tool
Calculate the area and perimeter of a semicircle using radius or diameter. Free online semicircle calculator with formulas and step-by-step solutions.
Square in a Circle Calculator | Inscribed Square Area & Side Length
Calculate the side length and area of a square inscribed in a circle. Free online calculator with formulas, diagonal relationships, and step-by-step solutions.
Triangle Geometry Calculator
Triangle Area Calculator | Online Triangle Area Methods
Free Triangle Area Calculator to find area using sides, base-height, angles, or coordinates. Quick, accurate, and easy tool for students and professionals.
Right Triangle Area Calculator | Hypotenuse & Legs
Free Right Triangle Area Calculator. Find area using base and height or two legs instantly. Great for math students and quick geometry checks.
Scalene Triangle Area Calculator | 3 Sides Heron's Formula
Calculate scalene triangle area using Heron's formula with three sides. Enter side lengths for unequal-sided triangles to get exact area instantly. Perfect for geometry, engineering, and math homework.
Triangle Area Calculator (Base & Height) | Geometry
Find triangle area using base and height with this free calculator. Quick and accurate results for geometry practice, engineering, or homework problems.
Trigonometry Calculator
Sin Cos Tan Table (0ยฐโ360ยฐ) | Trigonometry Table Reference
Complete sin cos tan table in degrees and radians (0ยฐโ360ยฐ), including exact values for special angles, quadrant signs, and quick lookup for trigonometry.
Trigonometry Calculator | Sin, Cos, Tan & Inverse Trig Functions Online
Free trigonometry calculator for sin, cos, tan, and inverse trig functions. Convert degrees/radians, explore graphs, unit circle values, and trig tables. Fast, accurate, and easy to use.
Arctan Calculator (Inverse Tangent) | tanโปยน(x)
Compute arctan(x) with rad/deg output and quadrant considerations.
Trigonometry Graphing Tool | Sin, Cos, Tan
Plot sine, cosine, and tangent functions. Adjustable amplitude and period.
Cosine Calculator (cos x) | Accurate Online Solver
Calculate cos(x) instantly in degrees or radians. Includes cosine properties and common angle values.
Arcsin Calculator (Inverse Sine) | sinโปยน(x)
Find arcsin(x) and view angle outputs in degrees or radians.
Basic & Arithmetic Calculator
Square Root Calculator | Radical Calculator
Free online square root calculator (radical calculator) to find the square root of any number. Calculate โx with precision and learn the mathematical principles behind square roots and radicals.
Basic Calculator | Free Online Math Tool with History
Perform essential math operations for daily calculations. Perfect for homework, budgeting, and quick calculations.
Percentage Calculator | Fast % Increase, Decrease & Change Online
Free percentage calculator. Quickly find percentage increase, decrease, change, or what percent of a number another number is. Easy & accurate.
Geometry & Area Calculator
Area Calculator | Online Area Calculator for 7 Shapes
Calculate the area of seven common shapes: rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram. Perfect for geometry, construction, and land measurement.
Radius Corner Calculator (Fillet) | Arc Length, Chord, Sagitta & Area
Calculate fillet (rounded corner) geometry from radius, chord, arc length, sagitta or angle. Visualize the arc, get sector/segment area, and export SVG. Units: mm/cm/in/px.
Binary Operations Calculator
Binary Calculator | Free Online Binary Arithmetic Tool
Perform binary arithmetic operations with step-by-step visualization. Supports addition, subtraction with carry/borrow annotations.
2's Complement Calculator | Free Online Two's Complement Tool
Calculate 2's complement (two's complement) for representing negative numbers in binary. Convert between binary, decimal, and hexadecimal with 8/16/32/64-bit support and step-by-step visualization.
1's Complement Calculator | Free Online Bitwise Inversion Tool
Calculate 1's complement (one's complement) by flipping every bit of a binary or decimal number under a fixed bit width (8/16/32/64). View results in binary, decimal, and hexadecimal formats with bit-by-bit visualization.
AND Calculator | Free Online Bitwise AND Tool
Perform bitwise AND operations on binary numbers. Calculate logical AND between two binary values with step-by-step visualization and support for different bit lengths.
Binary Addition Calculator | Free Online Binary Addition Tool
Add binary numbers with step-by-step visualization. Supports carry annotations and different bit lengths (8, 16, 32, 64 bits). Perfect for computer science students and programmers.
Binary Division Calculator | Free Online Binary Division Tool
Divide binary numbers with detailed step-by-step calculations. Supports different bit lengths and shows quotient and remainder in binary, decimal, and hexadecimal formats.
Base Conversion Calculator
Decimal to Hexadecimal Converter | Free Online Tool
Convert decimal numbers to hexadecimal instantly. Free online decimal to hex converter with detailed steps for quick and accurate conversions.
Binary to Decimal Converter | Free Online Tool
Convert binary numbers to decimal instantly. Free online binary to decimal converter with detailed steps for quick and accurate conversions.
Hexadecimal to Binary Converter | Free Online Tool
Convert hexadecimal numbers to binary instantly. Free online hex to binary converter with detailed steps for quick and accurate conversions.
Hexadecimal to Decimal Converter | Free Online Tool
Convert hexadecimal numbers to decimal instantly. Free online hex to decimal converter with detailed steps for quick and accurate conversions.
Binary to Octal Converter | Free Online Tool
Convert binary numbers to octal instantly. Free online binary to octal converter with detailed steps for quick and accurate conversions.
Binary to Hexadecimal Converter | Free Online Tool
Convert binary numbers to hexadecimal instantly. Free online binary to hex converter with detailed steps for quick and accurate conversions.
Other Math Calculators
Math Calculators
Essential mathematical tools for calculations, percentages, and basic arithmetic operations. Perfect for students, professionals, and everyday calculations.
Basic Calculator
Perform fundamental arithmetic operations including addition, subtraction, multiplication, and division.
Main Features
- โStandard arithmetic operations (+, -, ร, รท)
- โMemory functions for storing and recalling values
- โClear and backspace functionality
- โDecimal point support for precise calculations
- โKeyboard input support for faster operation
Use Cases
- โขEveryday calculations and budgeting
- โขHomework and academic assignments
- โขQuick mathematical problem solving
- โขFinancial calculations and accounting
- โขEngineering and technical calculations
Percentage Calculator
Calculate percentages, find percentage changes, and solve percentage-related problems with ease.
Main Features
- โCalculate percentage of a number
- โFind percentage increase or decrease
- โConvert between percentages and decimals
- โCalculate percentage difference between values
- โReverse percentage calculations
Use Cases
- โขSales tax and discount calculations
- โขGrade point average (GPA) calculations
- โขFinancial growth and investment returns
- โขStatistical analysis and data interpretation
- โขAcademic grading and assessment
Why Use Our Math Calculators?
Our mathematical calculators offer several advantages that make calculations easier and more accurate.
Math Calculation Tips
Helpful tips to improve your mathematical calculations and make the most of our calculators.
Frequently Asked Questions
Common questions about our math calculators and mathematical calculations.