The log calculator (logarithm) calculates the value of a logarithm with an arbitrary base.

This free log calculator solves for the unknown portions of a logarithmic expression using base e, 2, 10, or any other desired base.

In order to calculate log -1 (y) on the calculator, enter the base b (10 is the default value, enter e for e constant), enter the logarithm value y and press the = or calculate button:

Logarithm calculator, formula, work with steps, step by step calculation, real world and practice problems to learn how to find log value for the positive real number with respect to the given or natural base …

Jul 7, 2025 · Convert logs in seconds! This log conversion calculator simplifies math for students, engineers, and woodworkers. Easy and accurate!

When using our logarithm calculator you need to enter a "Base" of 10 for the common logarithm, 2 for the binary logarithm, and leave the "Base" field empty to get the natural logarithm calculated.

May 14, 2025 · Calculate logarithms with any base using this easy Log Calculator. Includes steps, multiple formats, and supports natural, common, binary, and custom logs.

Compute ln, log10, and logarithms to any base in one click. Enter numbers using your local separators (comma or dot) and get instant, precise results with scientific notation and change-of-base support. …

Apr 28, 2025 · A logarithm calculator that computes logarithms with any base, natural logarithms, and common logarithms. Features equation solving, property tools, step-by-step solutions, and …

This online Log Calculator helps you compute logarithms for any positive number using any base — including common bases like 10, natural logs (base e), or custom bases like 2. You simply enter the …