🧮 Math Calculators
Essential mathematical tools for calculations, percentages, and basic arithmetic operations. Perfect for students, professionals, and everyday calculations.
Last updated: 2025-10-21 — 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.
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 √x with precision and learn the mathematical principles behind square roots and radicals.
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.
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.
Triangle Area Calculator (2 Angles & Side) | Sine
Compute triangle area using two angles and one side. Apply law of sines to find area quickly. Ideal for trigonometry and geometry study help.
Triangle Area Calculator (Coordinates) | Vertex Tool
Calculate triangle area using vertex coordinates with this free tool. Enter three points (x,y) to get exact area instantly for math or CAD work.
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.
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.
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
- ✓Standard arithmetic operations (+, -, ×, ÷)
- ✓Memory functions for storing and recalling values
- ✓Clear and backspace functionality
- ✓Decimal point support for precise calculations
- ✓Keyboard input support for faster operation
Use Cases
- •Everyday calculations and budgeting
- •Homework and academic assignments
- •Quick mathematical problem solving
- •Financial calculations and accounting
- •Engineering and technical calculations
Percentage Calculator
Calculate percentages, find percentage changes, and solve percentage-related problems with ease.
Main Features
- ✓Calculate percentage of a number
- ✓Find percentage increase or decrease
- ✓Convert between percentages and decimals
- ✓Calculate percentage difference between values
- ✓Reverse percentage calculations
Use Cases
- •Sales tax and discount calculations
- •Grade point average (GPA) calculations
- •Financial growth and investment returns
- •Statistical analysis and data interpretation
- •Academic 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.