21K School/ Calculators/ Long Multiplication Calculator

Long Multiplication Calculator

Multiply any two numbers step-by-step using the long multiplication method with partial products.

Partial Products

FEATURE

Column Method

METHOD

Step-by-Step

OUTPUT

Enter Values

Multiplicand (top number)

Multiplier (bottom number)

Result

Result—

Detail—

Notes—

Steps

How It Works

Enter the multiplicand (top number) and the multiplier.

Each digit of the multiplier is multiplied by the full multiplicand.

Partial products are shifted and added for the final result.

Example

247 × 63

= (247×3) + (247×60)

= 741 + 14820

= 15,561

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