LOG10() - Logarithm to Base 10

Q

How to calculate the logarithm of a number to base 10 using the LOG10() function?

✍: FYIcenter.com

A

LOG10(X) is a MySQL built-in function that calculates the logarithm of X to base 10. For example:

SELECT LOG10(1), LOG10(100), LOG10(2000);
  -- +----------+------------+--------------------+
  -- | LOG10(1) | LOG10(100) | LOG10(2000)        |
  -- +----------+------------+--------------------+
  -- |        0 |          2 | 3.3010299956639813 |
  -- +----------+------------+--------------------+

Reference information of the LOG10() function:

LOG10(X): val
  Returns the base-10 logarithm of X.

Arguments, return value and availability:
  X: Required. The input value.
  val: Return value. The logarithm of the input value to base 10.
  Available since MySQL 4.0.

Related MySQL functions:

⇒ LOG2() - Logarithm to Base 2

⇐ LOG() - Logarithm of Y to Base X

⇑ MySQL Functions on Numeric Values

⇑⇑ MySQL Function References

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