Natural log & eˣ calculator
Compute ln(x) and exp(x) = eˣ with a dedicated simple interface.
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Tool guide
Natural log & eˣ calculator: how it works
Practical information to understand the result and use this tool correctly.
About Natural log & eˣ calculator
ln is the logarithm base e; exp is its inverse function.
Toggle between ln and eˣ on the same page.
ln requires x > 0; exp accepts any real x.
How to use it
- 1Choose ln or exp.
- 2Enter x.
- 3Read the result.
Frequently asked questions
- Value of e?
- Approximately 2.718281828…
- ln(1)?
- Always 0.