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Multiply Logarithmic Values - Calculator

Multiply logarithms: calculate times with values on a logarithmic scale. The value to be multiplied is a logarithm and the multiplier is a normal value. The product is output as a logarithm to the same base.

Base :

Round to    decimal places.

Example: twice as strong as a magnitude 5 earthquake (base 10) is one with magnitude 5.3.

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German: Logarithmische Skalen