Logarithm Calculator
Calculate logarithms with any positive base.
Log base
3
Natural log
6.90775528
Log 10
3
Formula
log_b(x) = ln(x) / ln(b)
Calculate logarithms with any positive base.
How to Use
Calculate logarithms with any positive base. Enter the Value and Base values and review the Log base, Natural log, and Log 10 outputs after you calculate.
- Open the calculator : Start with Logarithm Calculator.
- Enter values : Fill in the required inputs and any optional settings.
- Review the result : Read the output and use the about page for more detail if needed.
Common Questions
What formula does the Logarithm Calculator use?
log_b(x) = ln(x) / ln(b).