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
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.
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.
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.
Circle Theorems Calculator | Inscribed Angle, Central Angle & Tangent-Chord Angle
Calculate circle geometry theorems: inscribed angles, central angles, and tangent-chord angles. Free online circle theorems calculator with explanations and formulas.
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.
Equation of a Circle Calculator | Standard Form & General Form
Calculate the equation of a circle in standard form (x-h)ยฒ+(y-k)ยฒ=rยฒ and general form. Free online circle equation calculator with center, radius, and coordinate geometry.
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.
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.
Triangle Area Calculator (2 Sides & Angle) | Sine
Calculate triangle area with two sides and the included angle using sine formula. Easy and accurate solution for trigonometry and geometry problems.
Trigonometry Calculator
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.
Sine Calculator (sin x) | Degrees & Radians
Instantly compute sin(x) in degrees or radians. Includes graph insights, common values, and quick examples.
Cosine Calculator (cos x) | Accurate Online Solver
Calculate cos(x) instantly in degrees or radians. Includes cosine properties and common angle values.
Tangent Calculator (tan x) | Detect Undefined Values
Compute tan(x) and highlight undefined positions automatically. Degree/radian support included.
Arcsin Calculator (Inverse Sine) | sinโปยน(x)
Find arcsin(x) and view angle outputs in degrees or radians.
Arccos Calculator (Inverse Cosine) | cosโปยน(x)
Calculate arccos(x) with full precision and domain validation.
Basic & Arithmetic Calculator
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.
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.
Geometry & Area Calculator
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.
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.
Base Conversion Calculator
Binary Calculator | Free Online Binary Arithmetic Tool
Perform binary arithmetic operations with step-by-step visualization. Supports addition, subtraction with carry/borrow annotations.
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.
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.
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.
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.
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.
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.