All online calculators
- PlanetCalc statistics
- Altitude of a triangle
This online calculator computes the length of a altitude of a triangle, given the lengths of edges of a triangle.
- Angle bisector of a triangle
This online calculator computes length of angle bisector given the lengths of triangle edges
- Arithmetic progression
This online calculator computes last nth term of arithmetic progression and sum of the members
- Beaufort scale
Conversion between wind speed measurement units including Beaufort numbers, km/h, m/s, mph, fps.
- Binary, inverse and complement codes
Binary, one's complement (inverse) and two's complement codes (calculator was created by user's request)
- Body fat calculator - YMCA formula
- Calculator of area of a triangle using Hero's formula
- Cartesian and polar two-dimensional coordinate systems
This online calculator converts polar coordinates to cartesian coordinates and vice versa.
- Celsius to Fahrenheit calculator explained
- Complex fraction
This online calculator evaluates arithmetic expressions with common or complex fractions.
- Cone
- Conversion of pounds into inches
Conversion of old pounds artillery caliber into more modern inches and millimeters
- Converting degrees to radians
- Cube
- Cylinder
- Date plus days
This online calculator computes the result of addition/subtraction of the given number of days to the given date.
- Day of week by date
This online calculator outputs day of week for given date
- Distance calculator
- Do you need to calculate something? Welcome!
- Ellipsoid
Calculates ellipsoid and spheroid volume and surface area.
- Ideal weight calculator using Body Mass Index
- Ideal weight calculator using Paul Broca formula
Ideal weight calculator using Paul Broca formula
- Imperial to Metric and Metric to Imperial measures of length converter
- Loan payment example
- Logarithm
This online calculator outputs logarithm of a number to a given base, as well as natural logarithm and common (decadic) logarithm
- Mathematical calculator
Mathematical calculator is used for evaluation math expressions with arithmetic operations (+-/*^) and functions: sqrt - square root, exp - exponential function, lb - binary logarithm, lg - decimal logarithm, ln - natural logarithm, sin - sine, cos - cosine, tan - tangent, cot - cotangent, sec - secant, csc - cosecant, arcsin - arcsine, arccos - arccosine, arctan - arctangent, arccot - arccotangent, arcsec - arcsecant, arccosec - arccosecant and others
- Nautical measurement units
Nautical mile, sea mile, cable
- Number of days in a year
- Ohm's law
- Root and power
This calculator outputs desired root and power of entered number
- Sphere
- Torus
- Trigonometric functions
This online calculator computes the values of elementary trigonometric functions, such as sin, cos, tg, ctg, sec, cosec for angle, which can be entered in degrees, radians, or grads.
- Volume of geometric shapes
Calculates volume of geometric shapes: cube, prism, pyramid, frustum, cone, cylinder, sphere, ellipsoid.
- Площадь четырехугольника. Пример написания калькулятора
Расчет площади четырехугольника по двум диагоналям и углу между ними. Описание процесса создания калькулятора