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    Log Base 2 of 256

    Logarithm Calculator
    Log base
    x

    What is log₂ 256?

    Answer

    log2 256 =
    8

    log2 is the log base 2.

    log2 256 is the power you raise 2 to, to get 256: 2y = 256.

    2⁸ = 256 ✓

    Oxy

    Answer point (256, 8), beyond the drawing (the arrow points to it).

    The curve y = log2 x passes through (1, 0) and (2, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

    Log of 256 in different bases
    BaseNotationValue
    eln 256≈ 5.5452
    10log 256≈ 2.4082
    2log₂ 2568

    See Also

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    https://calculat.io/en/number/logarithm/2--256Copy
    <a href="https://calculat.io/en/number/logarithm/2--256">Log Base 2 of 256 (log₂ 256) - Calculatio</a>Copy
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    Log Base 2 of 256 (log₂ 256). log₂ 256 = 8: the power you raise 2 to, to get 256. With the check and the graph.
    https://calculat.io/en/number/logarithm/2--256/generated.jpgCopy

    Log base 2 of nearby numbers

    xlog₂ x
    646
    100≈ 6.6439
    1287
    2568
    1,000≈ 9.9658
    1,02410
    32,76815
    Recalculate with different values ↑

    FAQ

    What is log₂ 256?

    log₂ 256 = 8

    How to find log₂ 256 without a calculator?

    Write 256 as a power of 2: 256 = 2⁸. The exponent is the answer: log₂ 256 = 8.

    What does log without a base mean?

    At school and on a calculator, log x without a base is the common log, base 10: log 100 = 2. In Python, math.log(x) is the natural log ln x; in Excel, LN is the natural log and LOG is base 10.

    See Also