Long Multiplication: 30 × 30

Long Multiplication Calculator
Multiplicand (number to be multiplied)
Multiplier (number to multiply by)

What is 30 × 30?

Answer

30 × 30 =
900

One partial product: the only non-zero digit of 30 is 3, and it stands for 3 × 10: 30 × 30 = 900.

30 × 30 in a column

30
×30
900

In the column: product 900.

Step by step: 30 × 30

  1. Step 1The last digit of the multiplier is 0, so this partial product is 0 and adds nothing to the total.
  2. Step 2The next digit of the multiplier is 3, and it stands for 30: 30 × 30 = 900.
    • 0 × 3 = 0. Write 0.
    • 3 × 3 = 9. Write 9.
  3. Product900

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Recalculate with different values ↑

Products of 30

MultiplicationProduct
30 × 260
30 × 390
30 × 4120
30 × 5150
30 × 6180
30 × 7210
30 × 8240
30 × 9270
30 × 10300
30 × 11330
30 × 12360
30 × 15450
30 × 16480
30 × 20600
30 × 25750
30 × 30900

FAQ

What is 30 × 30?

30 × 30 = 900

Is 900 a square number?

Yes. 30 × 30 = 900, so 900 is the square of 30. A square is simply a number multiplied by itself, which is why both factors here are the same.

How do you check that 30 × 30 = 900?

Divide the product back by one of the factors: 900 ÷ 30 = 30 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 30 × 30?

Only one of them counts: every other digit of 30 is a zero and contributes nothing, so the work comes down to 30 × 30 = 900, with nothing left to add.

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