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Natural Log Calculator

Calculate ln(x) — log base e.

Result

ln(20)

2.995732

  1. 1ln uses base e ≈ 2.71828
  2. 2It asks: e to what power gives 20?
  3. 3e^2.995732 ≈ 20
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About this instrument

The natural logarithm uses the base e ≈ 2.71828. Enter a positive number to find its natural log.

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