Logarithm Calculator

Logarithms in any base — log₁₀, ln, log₂.

Result

log base 102
ln(x)4.60517019

Logarithm Calculator — FAQs

What is a logarithm?

The inverse of exponentiation — log₁₀(1000) = 3 because 10³ = 1000. ln uses base e ≈ 2.718.

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