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    Log Base 2 of 0.25

    Logarithm Calculator
    Log base
    x

    What is log₂ 0.25?

    Answer

    log2 0.25 =
    −2

    log2 is the log base 2.

    log2 0.25 is the power you raise 2 to, to get 0.25: 2y = 0.25.

    2⁻² = 1/2² = 1/4 = 0.25 ✓

    Oxy1

    Answer point (0.25, −2).

    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 0.25 in different bases
    BaseNotationValue
    eln 0.25≈ −1.3863
    10log 0.25≈ −0.6021
    2log₂ 0.25−2

    See Also

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    Log Base 2 of 0.25 (log₂ 0.25). log₂ 0.25 = −2: the power you raise 2 to, to get 0.25. With the check and the graph.
    https://calculat.io/en/number/logarithm/2--0.25/generated.jpgCopy

    Log base 2 of nearby numbers

    xlog₂ x
    0does not exist
    0.125−3
    1/6≈ −2.5850
    0.25−2
    1/3≈ −1.5850
    0.5−1
    10
    Recalculate with different values ↑

    FAQ

    What is log₂ 0.25?

    log₂ 0.25 = −2

    How to find log₂ 0.25 without a calculator?

    Write 0.25 as a power of 2: 0.25 = 2⁻². The exponent is the answer: log₂ 0.25 = −2.

    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