Natural Log Calculator

Find the natural logarithm (ln) of a number.

ln(x) 2.996

Formula: ln(x) = logₑ(x), e ≈ 2.718

Step-by-step with your numbers:
1. Values used:
2. Number = 20
3.
4. ln(x) = 2.996
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The natural log uses base e (≈2.718) — common in growth and decay.

The math behind it

ln(x) answers: e to what power equals x?

Worked example

ln(20) ≈ 3.00.

FAQ

ln(1)?

0, because e⁰ = 1.