What number multiplied by itself equals 218?

Here we will answer: What number multiplied by itself gives 218? In other words, what number times itself will equal 218?

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 = 218
x ≈ 14.765

Square Root Method:
Take the square root of 218 to get the answer:

√218 ≈ 14.765

Exponent Method:
Make the base 218 and the exponent 0.5 to get the answer:

218^0.5 ≈ 14.765

There you go! Now you know how to calculate "What number multiplied by itself equals 218?"

The bottom line is that 14.765 times itself equals approximately 218 as illustrated here:

14.765 x 14.765 ≈ 218

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