Online Logarithm Calculator: Solve log(x) Instantly

Effortlessly compute the logarithm of any number to any base. Our free online log calculator is a vital tool for students, engineers, and scientists.

Enter Number and Base
Calculate logbase(number).
How to Use
  • Enter Number (x): Input the number you want to find the logarithm of.
  • Enter Base (b): Input the base of the logarithm. Use '10' for common log or '2.71828' for natural log (ln).
  • Calculate: Click the "Calculate" button to see the result instantly.
  • Reset: Use the "Reset" button to clear the fields for a new calculation.
Frequently Asked Questions