Logarithm Calculator

Online logarithm calculator. log calculator of base 2/e/10. Inverse logarithm calculator.

• Logarithm calculator
• Inverse logarithm calculator

Logarithm calculator

Base 2 / e / 10 logarithm calculator

Enter base b and number x and press the = or calculate button:

	log
		2 e 10

Any base logarithm calculator

Enter base b and number x and press the = or calculate button:

	log

When:

b ^y = x

Then the base b logarithm of a number x:

log_b x = y

Inverse logarithm calculator

In order to calculate log^-1(y) on the calculator,

enter the base b (10 is the default value), logarithm value y and press the = or calculate button:

When

y = log_b x

The inverse logarithm (or anti logarithm) is calculated by raising the base b to the logarithm y:

x = log_b^-1(y) = b ^y

 

Logarithm - log(x) ►

 

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See also

• Natural logarithm calculator
• Exponents calculator
• Logarithm - log(x)
• Natural logarithm - ln(x)
• Logarithm of zero
• Logarithm of infinity
• Logarithm of negative number