Mathematical formulas, examples and calculations, such as free math calculators for volume (volume), areas (area), circumference, angles or more can be found online in this collection.

On this website you will find countless online calculators with a wide range of mathematical calculations and formulas. Whether you are a student, teacher, engineer or just someone who needs a quick and accurate calculation, our online calculator is at your service.

Main functions

  • Basic calculations: Use standard arithmetic operations such as addition, subtraction, multiplication and division.
  • Scientific functions: Advanced functions such as trigonometry, logarithms, exponential functions and complex numbers are available at the click of a button.
  • Statistical analysis: Perform various statistical calculations, including mean, median, standard deviation and more.
  • Geometry and algebra: Find areas, volumes, solve equations and use functions to calculate angles, lines and curves.
  • Financial calculator: Calculate interest, annuities, amortization and much more in the field of financial mathematics.
  • Unit calculator: Convert between different units of measurement such as length, weight, temperature, etc.
  • Custom formulas: Enter your own formulas and let our calculator do the work.

Why use our online calculator?

  • Ease of use: An intuitive user interface suitable for both beginners and advanced users.
  • Accuracy: Get precise results for your calculations.
  • Free: Our calculator is accessible to all users for free.
  • Cross-platform: Available on desktop, tablet and smartphone. No download required.
  • Privacy: We respect your privacy and do not store any personal data or calculations.

Our online calculator for mathematical calculations and formulas offers a comprehensive and versatile platform to meet your mathematical needs. From simple arithmetic operations to complex formulas, this tool makes math more accessible and understandable. Try it now and experience how simple and efficient math can be!

Angle

Calculating angles - Formulas and examples - Sine, cosine and tangent

Angle

Ball

Sphere - Calculate volume and surface area - Formula

Ball

Binomial formula

Binomial formulas - Calculating equations - Examples

Binomial formula

Circle

Circle - Calculate area and circumference - Formula and example

Circle

Cone

Cone - Calculate volume, shell and surface area - Formula

Cone

Cube

Cube - Calculate volume, shell and surface area - Formula

Cube

Cuboid

Cuboid - Calculate volume, shell and surface area - Formula

Cuboid

Cylinder

Cylinder - Calculate volume, surface and surface area - Formula

Cylinder

Derivation rules

Derivation rules - Rules, formulas and examples for derivations

Derivation rules

Difference

Calculate difference - Formulas and examples - Calculator

Difference

Dragon square

Kite quadrilateral (rhomboid or deltoid) - Area and perimeter - Formula

Dragon square

Fractions

Fractions - Calculating fractions - Formulas and examples

Fractions

Integral

Integral calculus - Formulas and examples - Integrals and functions

Integral

Midnight formula

Midnight formula - abc formula - Calculation and examples

Midnight formula

Parallelogram

Parallelogram - Calculate area and perimeter - Formula and example

Parallelogram

Percent

Calculate percent (%) - Percentage calculator - Formula and online calculator

Percent

Polynomial division

Polynomial division - formulas and examples

Polynomial division

PQ formula

PQ formula for quadratic equations - examples and calculation

PQ formula

Pyramid

Pyramid - Calculate volume, shell and surface area - Formula

Pyramid

Rectangle

Rectangle - Calculate perimeter and area - Formula and example

Rectangle

Rhombus

Rhombus - Calculate area and perimeter - Formula and example

Rhombus

Rule of three

Rule of three - Rule of three - Calculation, examples and formulas

Rule of three

Square

Square - calculate perimeter and area - formula and example

Square

Standard deviation

Calculate standard deviation - formulas and examples

Standard deviation

Sum of digits

Calculate sum of squares - Formulas and calculators | Online-Rechner.net

Sum of digits

Surface area

Calculate area - Area calculator - Formulas and examples

Surface area

Trapezoid

Trapezoid - Calculate area and perimeter - Formula and example

Trapezoid

Triangle

Triangle - Calculate area and perimeter - Formula and example

Triangle

Volume

Calculate volume - formulas and examples for the volume

Volume

Zeros

Calculating zeros - formulas and examples for functions

Zeros
On this website, calculations, formulas and sample calculations with simple explanations are provided online free of charge by the author.