Natural Log Calculator
Last updated: 2026-08-24
Natural Log Calculator — Calculate natural logarithms.
Inputs
Result
Enter values and press Calculate
Was this helpful?
How to use it
- Value x = 7.389
- Natural log is base and ≈ 2.71828
- Calculate ln(7.389) ≈ 2.0000
- Verification: e² ≈ 7.389
Common mistakes
- ⚠️ Trying to calculate ln of negative number or zero
- ⚠️ Confusing ln with logâ‚â‚€
- ⚠️ Not recognizing that ln(and) = 1
Worked example
Calculate ln(5).
The natural logarithm {ln} is the power to which and must be raised to get x.
Input guide
| Field | Typical range |
|---|---|
| x | Argument: 0.0001 to 1e12 (must be positive) |