All online calculators

• Acceleration of gravity

  Acceleration of gravity calculation on the surface of a planet. It's possible to calculate the acceleration above the surface by setting the sea level. But it won't be possible under thesurface - this is a wrong formula.

• Age

  Calculate your age with minute precision

• Altitude of a triangle

  This online calculator computes the length of a altitude of a triangle, given the lengths of edges of a triangle.

• Altitude Pressure

  This calculator uses barometric formula to find out the pressure at the given altitude

Alcohol amount in the aqueous alcohol solution

Defines the mass and volume fraction of ethanol in the solution of two liquids with different levels of alcohol.

The percentage of ethyl alcohol in the aqueous-alcoholic solution

Amount of liquid N 1

Volume fraction of alcohol

Amount of liquid N2

Volume fraction of alcohol

Units of liquidVolume in milliliters Mass in grams

Temperature °C

Calculation precision0.12345678901234567890

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• Angle bisector of a triangle

  This online calculator computes length of angle bisector given the lengths of triangle edges

• Angular size, linear size and distance

  These calculators computes value of angular size or linear size or distance from the other two's

• Angular velocity and linear velocity

  This online calculator converts angular velocity to linear velocity for given radius

• Antilogarithm

  Antilogarithm calculator

• Apparent temperature

  This online calculator computes apparent temperature, taking into consideration wind speed and relative air humidity. It uses Australian Bureau of Meteorology formula

• Area de la Sombra de un Objeto

  El área de la sombra se refiere a la de un objeto cuadrado o rectangular.

Analytical performance indicators

Calculation of derived analytical indicators of time series

Analytical performance indicators

Type of time seriesState series Interval series

Series value

Series value

Save Cancel

Import data.

"One of the following characters is used to separate data fields: tab, semicolon (;) or comma(,)" 

Sample123.5

Data

OK Cancel

Add Import data. Clear table

Calculation precision0.12345678901234567890

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• Area expression with different units

  Calculator expresses the given area through the different units of area measurement.

• Area of a convex quadrilateral. Example of creating a calculator.

  This online calculator calculates area of a convex quadrilateral given diagonal values and value of angle between them. Article also describes the process of creating a calculator.

• Area of a quadrilateral

  This article lists several calculators for area of a quadrilateral

• Area of triangle by coordinates

  This calculator determines area of triangle, using its vertex coordinates in cartesian coordinate system

• Arithmetic progression

  This online calculator computes last nth term of arithmetic progression and sum of the members

• Azimuth and solar elevation angle

  Calculation of azimuth and solar elevation angle by given the coordinates and time of observation. It's possible to input coordinates manually or by selecting from the directory of cities.

• Ball radius calculated by volume
• Bank card number validation

  The calculator checks a bank card number using Luhn algorithm, it also determines the card issuer according to Issuers handbook.