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    Long Multiplication: 40 × 30

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

    What is 40 × 30?

    Answer

    40 × 30 =
    1,200

    One partial product: the only non-zero digit of 30 is 3, and it stands for 3 × 10: 40 × 30 = 1,200. 30 × 40 gives the same 1,200.

    40 × 30 in a column

    40
    ×30
    1200

    In the column: product 1,200.

    Step by step: 40 × 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: 40 × 30 = 1,200.
      • 0 × 3 = 0. Write 0.
      • 4 × 3 = 12. Write 2 and carry 1.
      • No digits are left, so the carried 1 is written in front: the partial product is 120.
    3. Product1,200

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    <a href="https://calculat.io/en/number/long-multiplication/40--30">40 × 30 = 1,200 - Long Multiplication - Calculatio</a>Copy
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    40 × 30 = 1,200 - Long Multiplication. 40 × 30 = 1,200. 30 × 40 gives the same product. Long multiplication step by step: every carry, every partial product and the final sum.
    https://calculat.io/en/number/long-multiplication/40--30/generated.jpgCopy

    Products of 40

    MultiplicationProduct
    40 × 280
    40 × 3120
    40 × 4160
    40 × 5200
    40 × 6240
    40 × 7280
    40 × 8320
    40 × 9360
    40 × 10400
    40 × 11440
    40 × 12480
    40 × 15600
    40 × 16640
    40 × 20800
    40 × 251,000
    40 × 301,200
    40 × 401,600
    Recalculate with different values ↑

    FAQ

    What is 40 × 30?

    40 × 30 = 1,200

    Is 40 × 30 the same as 30 × 40?

    Yes. Multiplication is commutative, so both come to 1,200. Only the working differs: this page multiplies by 30, which gives a single partial product.

    How do you check that 40 × 30 = 1,200?

    Divide the product back by one of the factors: 1,200 ÷ 30 = 40 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 40 × 30?

    Only one of them counts: every other digit of 30 is a zero and contributes nothing, so the work comes down to 40 × 30 = 1,200, with nothing left to add.

    See Also