Outils mathématiques en ligne gratuits pour étudiants, enseignants et professionnels.
Résolvez instantanément des problèmes d'algèbre, d'arithmétique, de géométrie, de statistiques et de calcul avec des solutions étape par étape.
Arithmétique
Opérations mathématiques de base comprenant les fractions, les pourcentages, les ratios et les calculs fondamentaux.
Percentage Calculatrice
Fraction Calculatrice
Ratio Calculatrice
Decimal to Fraction Convertisseur
Fraction to Decimal Convertisseur
Percentage Increase Calculatrice
Percentage Decrease Calculatrice
Proportion Calculatrice
Percentage Change Calculatrice
Mixed Number Calculatrice
Average Calculatrice
Order of Operations Solveur
Calculatrice de base
Absolute Change Calculator
Associative Property Calculator
Compatible Numbers Calculator
Consecutive Integers Calculator
Distributive Property Calculator
Egyptian Fractions Calculator
Long Addition Calculator
Multiplicative Inverse Calculator
Order of Magnitude Calculator
Partial Products Calculator
Perfect Cube Calculator
Perfect Square Calculator
Pi Approximation Calculator
Powers of i Calculator
Reciprocal Calculator
Round to the Nearest Thousand Calculator
Digit Sum Calculator
Sum of Products Calculator
Terminating Decimals Calculator
Algèbre
Solveurs d'équations, outils de factorisation, formules quadratiques et simplificateurs d'expressions.
Eigenvalue Calculator
Eigenvector Calculator
Characteristic Polynomial Calculator
LU Decomposition (Gauss Elimination)
LU Decomposition (Doolittle's Method)
LU Decomposition (Crout's Method)
Matrix Rank Calculator
Upper Triangular Matrix Calculator
Lower Triangular Matrix Calculator
Reduced Row Echelon Form (RREF) Calculator
Row Echelon Form Calculator
Scientific Calculatrice
Quadratic Formula Solveur
Linear Equation Solveur
System of Equations Solveur
Algebraic Expression Simplifier
Matrix Calculatrice
Polynomial Equation Solveur
Algebra Equation Solveur
Calculateur de transformation de vecteur 2D
Ceiling Function Calculator
Floor Division Calculator
Floor Function Calculator
Greater Than or Less Than Calculator
Polish Notation Converter
Reverse FOIL Calculator
Nth Root Calculator | Find Roots Easily
Set Builder Notation Calculator
Géométrie
Calculateurs d'aire, de périmètre et de volume avec des visualisations SVG interactives pour toutes les formes.
Area Calculatrice
Volume Calculatrice
Circle Calculatrice
Perimeter Calculatrice
Pythagorean Theorem Calculatrice
Surface Area Calculatrice
Triangle Calculatrice
Sphere Calculatrice
Cylinder Calculatrice
Cone Calculatrice
Trapezoid Calculatrice
Ellipse Calculatrice
Rectangle Calculatrice
Arc Length Calculatrice
Distance Formula Calculatrice
Trigonométrie
Calculateurs de sinus, cosinus, tangente, convertisseurs d'angles et solveurs de triangles.
Sine Calculatrice
Cosine Calculatrice
Tangent Calculatrice
Right Triangle Solveur
Trigonometric Functions Calculatrice
Angle Convertisseur
Statistiques
Outils de moyenne, médiane, mode, écart-type, probabilité et analyse de données.
Mean Median Mode Calculatrice
Standard Deviation Calculatrice
Variance Calculatrice
Probability Calculatrice
Permutation and Combination Calculatrice
Z-Score Calculatrice
Percentile Calculatrice
Weighted Average Calculatrice
Quartile Calculatrice
Correlation Coefficient Calculatrice
Fundamental Counting Principle Calculator
Geometric Mean Calculator
Harmonic Mean Calculator
Calcul
Calculateurs de dérivées, solveurs d'intégrales, évaluateurs de limites et outils de séries.
Derivative Calculatrice
Integral Calculatrice
Limit Calculatrice
Series Calculatrice
Definite Integral Solveur
Conversion d'Unités
Convertissez entre les unités de longueur, de poids, de température, de temps, de vitesse, etc.
Length Convertisseur
Weight Convertisseur
Temperature Convertisseur
Area Convertisseur
Volume Convertisseur
Speed Convertisseur
Time Convertisseur
Digital Storage Convertisseur
Energy Convertisseur
Power Convertisseur
Pressure Convertisseur
Angle Unit Convertisseur
Force Convertisseur
Torque Convertisseur
Base Converter - Online Tool
Théorie des Nombres
Factorisation en facteurs premiers, PGCD, PPCM, chiffres romains, noms des nombres et outils de divisibilité.
GCF Calculatrice
LCM Calculatrice
Prime Factorization Tool
Significant Figures Calculatrice
Rounding Calculatrice
Binary Convertisseur
Hexadecimal Convertisseur
Roman Numerals Convertisseur
Divisibility Calculatrice
Number Names Convertisseur
Prime Number Checker
Digital Root Calculator
GCF and LCM Calculator
Magic Square Calculator
Modular Multiplicative Inverse Calculator
Relatively Prime Calculator
Triangular Numbers Calculator
Fermat's Little Theorem Calculator
Power Mod Calculator
Outils Graphiques
Tracez des fonctions, visualisez des équations, géométrie de coordonnées et graphes interactifs.
Function Plotter
Line Graph Générateur
Coordinate Geometry Solveur
Equation Grapher
Visualiseur de géométrie de coordonnées
Electric
Calculators for Ohm's law, power, voltage drop, and electrical engineering.
Light
Calculators for illuminance and lux measurements.
Finance
Calculators for mortgages, compound interest, discounts, and VAT/GST.
Calculateur d'hypothèque
Calculateur d'intérêts composés
Calculateur d'intérêts simples
Calculateur de réduction
Calculateur de TVA
Grades
Calculators for GPA and final grades for students and teachers.
Health
Calculators for BMI and other health metrics.
Text Tools
Word counters, ASCII converters, and online notepads.
Web Tools
RGB color converters and other web utilities.
Most used tools.
Jump straight into the calculators our users love most.
Percentage Calculatrice
Calculer percentages, Trouver what percent one number is of another, or determine the whole from a percentage.
Fraction Calculatrice
Add, subtract, multiply, and divide fractions with step-by-step solutions.
Ratio Calculatrice
Résoudre ratios, Trouver equivalent ratios, and Convertir ratios to fractions or percentages.
Scientific Calculatrice
A full-featured scientific calculator with trigonometric, logarithmic, and exponential functions.
Area Calculatrice
Calculer the area of rectangles, triangles, circles, trapezoids, and more with visual diagrams.
Volume Calculatrice
Trouver the volume of cubes, spheres, cylinders, cones, and other 3D shapes.
GCF Calculatrice
Trouver the Greatest Common Factor of two or more numbers using prime factorization or the Euclidean algorithm.
LCM Calculatrice
Calculer the Least Common Multiple of two or more numbers instantly.
Prime Factorization Tool
Break down any number into its prime factors with a visual factor tree.
Significant Figures Calculatrice
Count significant figures and round numbers to the correct number of sig figs.
Conçu pour votre façon d'apprendre.
Chaque détail est conçu pour rendre les mathématiques accessibles, rapides et compréhensibles.
Calculs Instantanés
Les résultats s'affichent en temps réel. Pas de rechargement de page — juste des maths rapides.
Optimisé pour Mobile
Conçu mobile-first. Effectuez vos calculs n'importe où, sur n'importe quel appareil.
Gratuit pour Toujours
Tous les outils sont entièrement gratuits. Pas d'abonnement, pas de frais cachés.
Sans Inscription
Calculez immédiatement. Aucun compte requis, aucun e-mail demandé, aucune donnée collectée.
Résultats Précis
Algorithmes de haute précision. Des résultats fiables pour vos devoirs, votre travail ou vos recherches.
Explications Pédagogiques
Chaque outil propose des explications étape par étape, des formules et des exemples pour apprendre.
What Are Online Math Tools?
Online math tools are web-based calculators and interactive utilities designed to help you solve mathematical problems quickly and accurately. Unlike traditional calculators, modern online math tools provide step-by-step solutions, visual diagrams, and educational explanations that help you understand the underlying concepts — not just get the answer.
At Basic Math Tools, we offer a comprehensive suite of free calculators spanning arithmetic, algebra, geometry, trigonometry, statistics, calculus, number theory, unit conversion, and graphing. Whether you're a student working through homework, a teacher preparing lesson materials, or a professional needing quick calculations, our tools are built for you.
How Math Calculators Help Students
Mathematics can be challenging, but having the right tools makes a significant difference in learning outcomes. Online math calculators serve as powerful educational companions by providing:
Instant verification
Check your homework answers and identify mistakes before submitting assignments.
Step-by-step breakdowns
See exactly how a problem is solved, from the initial setup to the final answer, helping you learn the process rather than memorizing results.
Visual learning aids
Our geometry tools include interactive SVG diagrams that illustrate shapes, angles, and measurements, making abstract concepts tangible.
Practice and exploration
Experiment with different inputs to build intuition about mathematical relationships and patterns.
Formula reference
Every tool page includes the relevant formulas, definitions, and common examples for quick review.
Benefits of Using Basic Math Tools
Our platform is designed with a focus on speed, accuracy, and education. Here's what sets Basic Math Tools apart from other calculator websites:
No registration required
Start calculating immediately. We don't require accounts, email addresses, or personal information.
Completely free
Every tool on our platform is free to use, with no premium tiers or hidden fees.
Lightning-fast performance
Built with modern web technologies for instant loading and real-time calculations without page reloads.
Mobile-optimized
Every calculator works beautifully on phones, tablets, and desktops. Calculate on the go from any device.
Educational content
Each tool includes detailed explanations, worked examples, FAQs, and formula references to support learning.
Accessible design
Clean, high-contrast design with keyboard navigation support and screen reader compatibility.
Educational Use Cases
Basic Math Tools serves a wide range of educational and professional needs:
K-12 students
From basic fraction and percentage calculations to geometry and algebra problem-solving, our tools support curriculum-aligned learning at every grade level.
College and university students
Advanced tools for statistics, calculus, and scientific calculations help with coursework, lab reports, and exam preparation.
Teachers and educators
Generate examples, verify solutions, and create visual aids for classroom instruction. Our step-by-step solutions make excellent teaching demonstrations.
Professionals
Engineers, architects, accountants, and scientists use our unit converters, geometry calculators, and statistical tools for quick, reliable calculations in their daily work.
Parents and tutors
Support students with homework help using our clear, educational explanations and worked examples.
Ready to start calculating?
Our growing library includes calculators for percentages, greatest common factors, area and perimeter, prime factorization, unit conversion, and many more.
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