Kostenlose Online-Mathe-Werkzeuge für Schüler, Lehrer & Profis.
Lösen Sie Algebra-, Arithmetik-, Geometrie-, Statistik- und Analysis-Probleme sofort mit Schritt-für-Schritt-Lösungen.
Arithmetik
Grundlegende mathematische Operationen einschließlich Brüche, Prozentsätze, Verhältnisse und grundlegende Berechnungen.
Percentage Rechner
Fraction Rechner
Ratio Rechner
Decimal to Fraction Konverter
Fraction to Decimal Konverter
Percentage Increase Rechner
Percentage Decrease Rechner
Proportion Rechner
Percentage Change Rechner
Mixed Number Rechner
Average Rechner
Order of Operations Löser
Einfacher Rechner
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
Algebra
Gleichungslöser, Faktorisierungswerkzeuge, quadratische Formeln und Ausdrucksvereinfacher.
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 Rechner
Quadratic Formula Löser
Linear Equation Löser
System of Equations Löser
Algebraic Expression Simplifier
Matrix Rechner
Polynomial Equation Löser
Algebra Equation Löser
2D-Vektortransformationsrechner
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
Geometrie
Flächen-, Umfang- und Volumenrechner mit interaktiven SVG-Visualisierungen für alle Formen.
Area Rechner
Volume Rechner
Circle Rechner
Perimeter Rechner
Pythagorean Theorem Rechner
Surface Area Rechner
Triangle Rechner
Sphere Rechner
Cylinder Rechner
Cone Rechner
Trapezoid Rechner
Ellipse Rechner
Rectangle Rechner
Arc Length Rechner
Distance Formula Rechner
Trigonometrie
Sinus-, Kosinus-, Tangens-Rechner, Winkelkonverter und Dreieckslöser.
Sine Rechner
Cosine Rechner
Tangent Rechner
Right Triangle Löser
Trigonometric Functions Rechner
Angle Konverter
Statistik
Mittelwert-, Median-, Modus-, Standardabweichungs-, Wahrscheinlichkeits- und Datenanalysewerkzeuge.
Mean Median Mode Rechner
Standard Deviation Rechner
Variance Rechner
Probability Rechner
Permutation and Combination Rechner
Z-Score Rechner
Percentile Rechner
Weighted Average Rechner
Quartile Rechner
Correlation Coefficient Rechner
Fundamental Counting Principle Calculator
Geometric Mean Calculator
Harmonic Mean Calculator
Analysis
Ableitungsrechner, Integrallöser, Grenzwertbestimmer und Reihenwerkzeuge.
Einheitenumrechnung
Rechnen Sie Einheiten für Länge, Gewicht, Temperatur, Zeit, Geschwindigkeit und mehr um.
Length Konverter
Weight Konverter
Temperature Konverter
Area Konverter
Volume Konverter
Speed Konverter
Time Konverter
Digital Storage Konverter
Energy Konverter
Power Konverter
Pressure Konverter
Angle Unit Konverter
Force Konverter
Torque Konverter
Base Converter - Online Tool
Zahlentheorie
Primfaktorzerlegung, ggT, kgV, römische Zahlen, Zahlennamen und Teilbarkeitswerkzeuge.
GCF Rechner
LCM Rechner
Prime Factorization Tool
Significant Figures Rechner
Rounding Rechner
Binary Konverter
Hexadecimal Konverter
Roman Numerals Konverter
Divisibility Rechner
Number Names Konverter
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
Grafikwerkzeuge
Funktionen plotten, Gleichungen visualisieren, Koordinatengeometrie und interaktive Graphen.
Function Plotter
Line Graph Generator
Coordinate Geometry Löser
Equation Grapher
Koordinatengeometrie-Visualisierer
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.
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 Rechner
Berechnen percentages, Finden what percent one number is of another, or determine the whole from a percentage.
Fraction Rechner
Add, subtract, multiply, and divide fractions with step-by-step solutions.
Ratio Rechner
Lösen ratios, Finden equivalent ratios, and Konvertieren ratios to fractions or percentages.
Scientific Rechner
A full-featured scientific calculator with trigonometric, logarithmic, and exponential functions.
Area Rechner
Berechnen the area of rectangles, triangles, circles, trapezoids, and more with visual diagrams.
Volume Rechner
Finden the volume of cubes, spheres, cylinders, cones, and other 3D shapes.
GCF Rechner
Finden the Greatest Common Factor of two or more numbers using prime factorization or the Euclidean algorithm.
LCM Rechner
Berechnen 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 Rechner
Count significant figures and round numbers to the correct number of sig figs.
Entwickelt für Ihren Lernerfolg.
Jedes Detail wurde entwickelt, um Mathematik verständlich, schnell und zugänglich zu machen.
Echtzeit-Berechnung
Ergebnisse erscheinen sofort bei der Eingabe. Keine Ladezeiten — schnelle Antworten.
Mobilfreundlich
Mobile-first Design. Rechnen Sie bequem von unterwegs auf jedem beliebigen Gerät.
Immer Kostenlos
Alle Rechner sind 100% gratis. Keine versteckten Gebühren oder Premium-Sperren.
Ohne Registrierung
Sofort starten. Keine Registrierung, keine E-Mail-Adresse und kein Tracking.
Präzise Ergebnisse
Präzisions-Algorithmen. Verlässliche Ergebnisse für Schule, Studium oder Beruf.
Schritt-für-Schritt-Erklärung
Jeder Rechner zeigt Lösungswege, Formeln und Beispiele, um das Verständnis zu fördern.
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.
Explore All Tools