Math Tools

    Log Calculator

    Calculate logarithms log_b(x), natural log ln(x), common log log₁₀(x), and binary log log₂(x)

    Logarithm Calculator

    Calculate logarithms with custom bases log_b(x), natural log ln(x), common log log₁₀(x), and binary log log₂(x).

    log10(100) =
    2.000000
    ln(x) (Base e)
    4.605170
    log₁₀(x) (Base 10)
    2.000000
    log₂(x) (Base 2)
    6.643856

    About Log Calculator

    Calculate logarithms for any positive base b and number x using change-of-base rules. Computes custom log_b(x), ln(x), log₁₀(x), and log₂(x).

    How to Use Log Calculator

    1. 1Enter the number x (> 0).
    2. 2Enter the base b (> 0, b ≠ 1).
    3. 3View custom log value, natural log, and base-10 log.
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