Explanation

What is Log?

A logarithm answers: to what power should a base be raised to get a value?

What this calculator does

Logarithm of a value for any base.

Inputs you need

• Value
• Base

Formula

log_base(value) = ln(value) / ln(base)

Example

Value 100, base 10:

• log = 2

Quick input set you can try:

• Value: 100
• Base: 10

FAQ

1) What does this calculator help with? It helps you calculate Log quickly and with consistent formulas.

2) Which formula is used? It uses the standard method shown in the formula section on this page.

3) Can I use decimal values? Yes. Decimal values are supported for most numeric fields.

4) Should I rely on this for final decisions? Use it as a practical estimate, and verify critical decisions with official documents or expert advice.