Logarithm Calculator

LOGARITHM CALCULATOR

Solve any logarithmic equation of the form logb(x) = y. Calculate base, number, or exponent instantly with step-by-step solutions.

logb(x) = y
Enter “e” for natural logarithm (ln)

LOGARITHM FORMULAS

logb(x) = y ⇔ by = x
ln(x) = loge(x)

To solve for any variable:

• To find y: y = logb(x)

• To find x: x = by

• To find b: b = x1/y

SOLUTION

Calculated Value
Enter any two values
Equation Representation
by = x
Step-by-Step Calculation
Fill in two values to see the calculation steps
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