Logarithm calculator
log_b(x) = ln(x) ÷ ln(b)
- log_b(x)
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- log₁₀(x)
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- ln(x)
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- log₂(x)
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About this tool
Logarithm calculator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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