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Logarithm Calculator
Calculate log base 10, natural log (ln), log base 2, and any custom base logarithm.
📊 Logarithm Calculator
Number (x)
Custom Base (optional)
Calculate Logarithms
log₁₀(x)
ln(x) — base e
log₂(x)
Custom Base
10^x (antilog)
e^x
logarithm
log
ln
natural log
log base 10
log base 2
antilog
math
exponent
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