All online calculators

  • 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 a triangle

    This is univeral online calculator for the area of a triangle which uses different methods to find the area of a triangle, depending on your knowledge of the triangle.

  • Area of an irregular quadrangle with the given sides

    Calculates an area of an irregular quadrangle with the given sides

  • 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

  • Atbash cipher

    This calculator allows you to encrypt and decrypt text with Atbash method

  • Average wage сalculation (for Russia)

    The calculator calculates the average wage, according to the decree of the Russian Federation government dated December 24, 2007 "On specifics of calculation of average wages" in edition of Russian Federation Government Resolution dated November 11, 2009.

  • 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.

  • Baffle Plate Gap Calculator

    Use this to determine the baffle plate gap in a tank based on your throat size. Measure bell end depth using something the same width as your baffle plate or enter a zero if there is no belled end. The drawing is looking from the top down.

  • 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.

  • Barlow formula

    Barlow´s Formula is used to calculate the pipe pressure considering its diameter, wall thickness, and hoop stress (in the pipe material).

  • Barometric leveling
  • Base 64 encoding and decoding

    The calculators encode string to base64 string and decode back to original string. Special characters (+/) , generally produced by base64 algorithm, can be replaced by the data provided in additional parameter.

  • Battery discharge time depending on load

    This article contains online calculators which can calculate discharge times for specified discharge current using battery capacity, the capacity rating (i.e. 20 hour rating, 100 hour rating etc) and Peukert's exponent.

  • Bayes’ theorem

    This online calculator calculates posterior probabilities according to Bayes’ theorem.

  • Beaufort scale

    Conversion between wind speed measurement units including Beaufort numbers, km/h, m/s, mph, fps.

  • Bernoulli trials table

    This online calculator calculates probability of k success outcomes in n Bernoulli trials with given success event probability for each k from zero to n.

Calculator categories

Tags: Math Geometry Physics Engineering Date and Time Statistics volume text area IT #math Engineering calculators Computers Units converters Navigation Mathematics Finance cryptography cipher pressure financial triangle probability theory probability angle SmokerBuilder Astronomy radius #geometry Azimuth example trigonometry Work russia Accounting table kilometer units Sun current Electricity coordinates Life in Russia sphere binomial distribution encoding decode Labour Code #Probability meter progression diagonal Study information technology humour web capacity rectangle Bank card holidays Bernoulli trials events nautical mile sailing knot Peukert battery discharge Luhn algorithm string encode salary Bernoulli trials quadrilateral coordinate load exponent base64 vacation Bretschneider's formula Bretschneider Bayes mile arithmetic series Sun position altitud vertex Atbash cipher Credit card MII bank card number internet wages average daily wage average earnings hectare Bayes’ theorem conditional probability Hoop stress Wall thickness #triangle half of base times height Heron's Formula Side-angle-side equilateral triangle Beaufort scale wind speed How to create a calculator irregular quadrangle IIN BIN decoding altitude above horizon average daily earnings average salary leave allowance labor relations barometric leveling barometric formula Laplace formula Babinet formula pressure level ball semiperimeter Brahmagupta's formula Brahmagupta irregular rectangle #Bayes Diameter Pipe