All online calculators

  • Barometric leveling
  • 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.

  • 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.

  • Binary Coded Decimal (BCD)

    This online calculator converts decimal number to binary code in BCD notation and vice versa

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.

Base 64 encoderCreative Commons Attribution/Share-Alike License 3.0 (Unported)

Calculator of area of a triangle using Hero's formula

Calculator of area of a triangle using Heron's formulaCreative Commons Attribution/Share-Alike License 3.0 (Unported)

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