Logarithm Calculator | Calculate Log and Ln
Calculate logarithms with any base, including natural logarithm (ln) and common logarithm (log10).
Logarithm Calculator
How to use
- Enter the base and the number.
- Or select a common base from the quick options.
- The result will be calculated automatically.
About Logarithms
The logarithm is the inverse function to exponentiation.
Definition
If b^y = x, then log_b(x) = y
Features
- Support for any positive base
- Quick access to ln, log10, log2
- High precision calculation
Applications
- Acoustics (decibels)
- Chemistry (pH)
- Information theory