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Long Multiplication Calculator (Step by Step)

Multiply big numbers with the long multiplication method, showing every partial product and carry, step by step – great for kids and teachers.

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What is the Long Multiplication Calculator?

Type two numbers (decimals are fine) and see the classic column method: each digit of the bottom number multiplies the top number, the partial products shift one place left, and then they are added. Perfect for checking homework and teaching the method. You can print the working.

How to use the Long Multiplication Calculator

  1. Enter the two numbers.
  2. Follow the partial products row by row.
  3. Press Print to get a worksheet copy.

How are decimals handled?

Multiply as whole numbers, then place the decimal point by counting the decimal places in both numbers.

This Long Multiplication Calculator is 100% free, needs no signup and runs privately in your browser – on phone, tablet or computer.

Last updated: · By NodifyTech

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