Natural Log Calculator Reference Values
Calculate the natural logarithm ln(x) using base e for positive inputs.
Table of Contents
Reference Value Index
This page lists 20 reference values for quick browsing and lookup.
All Reference Values
- 0.1 Number = -2.302585 ln(x)
- 0.2 Number = -1.609438 ln(x)
- 0.25 Number = -1.386294 ln(x)
- 0.5 Number = -0.693147 ln(x)
- 0.75 Number = -0.287682 ln(x)
- 1 Number = 0 ln(x)
- 2 Number = 0.693147 ln(x)
- 3 Number = 1.098612 ln(x)
- 4 Number = 1.386294 ln(x)
- 5 Number = 1.609438 ln(x)
- 6 Number = 1.791759 ln(x)
- 7 Number = 1.94591 ln(x)
- 8 Number = 2.079442 ln(x)
- 9 Number = 2.197225 ln(x)
- 10 Number = 2.302585 ln(x)
- 20 Number = 2.995732 ln(x)
- 30 Number = 3.401197 ln(x)
- 50 Number = 3.912023 ln(x)
- 75 Number = 4.317488 ln(x)
- 100 Number = 4.60517 ln(x)
Reference Table
| Number (x) | Natural Log ln(x) |
|---|---|
| 0.1 Number | -2.302585 ln(x) |
| 0.2 Number | -1.609438 ln(x) |
| 0.25 Number | -1.386294 ln(x) |
| 0.5 Number | -0.693147 ln(x) |
| 0.75 Number | -0.287682 ln(x) |
| 1 Number | 0 ln(x) |
| 2 Number | 0.693147 ln(x) |
| 3 Number | 1.098612 ln(x) |
| 4 Number | 1.386294 ln(x) |
| 5 Number | 1.609438 ln(x) |
| 6 Number | 1.791759 ln(x) |
| 7 Number | 1.94591 ln(x) |
| 8 Number | 2.079442 ln(x) |
| 9 Number | 2.197225 ln(x) |
| 10 Number | 2.302585 ln(x) |
| 20 Number | 2.995732 ln(x) |
| 30 Number | 3.401197 ln(x) |
| 50 Number | 3.912023 ln(x) |
| 75 Number | 4.317488 ln(x) |
| 100 Number | 4.60517 ln(x) |
Frequently Asked Questions
Frequently asked questions for Natural Log Calculator and its reference values.
What does the Natural Log Calculator calculator do?
It calculates working with exponential growth/decay, continuous compounding, and scientific models from the values you enter.
What formula does the Natural Log Calculator calculator use?
Natural log is the logarithm base e: ln(x).
What inputs are valid?
For real-number results, enter x > 0.
When would I use this?
working with exponential growth/decay, continuous compounding, and scientific models
Methodology and Review
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