Mathematics & Calculation

Mathematical calculators and tools for everyday and academic use. Our collection includes percentage calculator, rule of three, average and mean, fraction calculator, prime number checker, greatest common divisor, least common multiple, Pythagorean theorem, and many more. Whether you're a student, teacher or professional, our math tools provide instant and accurate results for all common mathematical operations.

6 Converters
7 Conversions
Popular: Prozentrechner

Available Converters

Choose from 6 precise converters in the category "Mathematics & Calculation"

Percentage Calculator

Prozent calculate: Base value, percentage rate and percentage value quickly dete...

1.159x used

Pythagoras-Calculator

Pythagoras: A² + b² = c². Fehlende Seite im rechtwinkligen Dreieck calculate.

1.071x used

Calculate average

Calculate arithmetic mean, median, mode from a number series. With explanation.

1.050x used

Area Calculator

Calculate area for circles, triangles, rectangles, squares, and more. With formu...

1.047x used

Rule of three calculator

Calculate rule of three: solve proportional and inversely proportional problems ...

1.024x used

Perimeter Calculator

Calculate perimeter for circles, triangles, rectangles, polygons and more. With ...

1.018x used

Mathematics - Percentage, Rule of Three, Average

Math Calculators for Daily Life and School

Percentage: 20% of 100 = 20. Rule of three: If 2 apples cost €3, 5 apples cost €7.50. Average of 2,3,1,2 = 2.0. Pythagoras: a²+b² = c². Mathematics made easy with our calculators. For school, university, work!