What number multiplied by itself equals 30?

Here we will answer: What number multiplied by itself gives 30? In other words, what number times itself will equal 30?

We have identified many different ways of getting the answer to this question:

Algebra Method:
Make an algebra equation and solve for x:

x • x = 30
x ≈ 5.477

Square Root Method:
Take the square root of 30 to get the answer:

√30 ≈ 5.477

Exponent Method:
Make the base 30 and the exponent 0.5 to get the answer:

30^0.5 ≈ 5.477

There you go! Now you know how to calculate "What number multiplied by itself equals 30?"

The bottom line is that 5.477 times itself equals approximately 30 as illustrated here:

5.477 x 5.477 ≈ 30

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The answer on this page is rounded to the nearest thousandth, if necessary.