All online calculators

  • 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.

  • 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

Binary Coded Decimal (BCD)Creative Commons Attribution/Share-Alike License 3.0 (Unported)

Calculation of weight by volume

Calculating the weight by the volume of material with matter density reference book

Calculation of weight by volumeCreative Commons Attribution/Share-Alike License 3.0 (Unported)
0.12345678901234567890

Site sections

Can't find calculators you've been looking for? Please suggest an idea for a new online calculator.