Feedback form
Hi! What do you think?

Drag it here or paste with Ctrl+V

    You can also email us on infocalculat.io

    Log Base 2 of 0.5

    Logarithm Calculator
    Log base
    x

    What is log₂ 0.5?

    Answer

    log2 0.5 =
    −1

    log2 is the log base 2.

    log2 0.5 is the power you raise 2 to, to get 0.5: 2y = 0.5.

    2⁻¹ = 1/2 = 0.5 ✓

    Oxy1

    Answer point (0.5, −1).

    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 0.5 in different bases
    BaseNotationValue
    eln 0.5≈ −0.6931
    10log 0.5≈ −0.3010
    2log₂ 0.5−1

    See Also

    Share This Calculation
    Print
    https://calculat.io/en/number/logarithm/2--0.5Copy
    <a href="https://calculat.io/en/number/logarithm/2--0.5">Log Base 2 of 0.5 (log₂ 0.5) - Calculatio</a>Copy
    Facebook
    Twitter
    Telegram
    WhatsApp
    Viber
    Email
    Log Base 2 of 0.5 (log₂ 0.5). log₂ 0.5 = −1: the power you raise 2 to, to get 0.5. With the check and the graph.
    https://calculat.io/en/number/logarithm/2--0.5/generated.jpgCopy

    Log base 2 of nearby numbers

    xlog₂ x
    1/6≈ −2.5850
    0.25−2
    1/3≈ −1.5850
    0.5−1
    10
    21
    3≈ 1.5850
    Recalculate with different values ↑

    FAQ

    What is log₂ 0.5?

    log₂ 0.5 = −1

    How to find log₂ 0.5 without a calculator?

    Write 0.5 as a power of 2: 0.5 = 2⁻¹. The exponent is the answer: log₂ 0.5 = −1.

    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