Logarithm Calculator

Calculate logarithms with any base — log, ln, log₂, and more.

log₁₀(100)
0
log₁₀
0
ln (natural)
0
log₂
0
Inverse (b^result)
0

Logarithm Formulas

log_b(x) = ln(x) / ln(b)

log(xy) = log(x) + log(y)

log(x/y) = log(x) − log(y)

log(x^n) = n × log(x)

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