Dot Product Calculator
Scalar product of two vectors.
Enter the values and press Calculate.
How to use Dot Product Calculator
The dot product multiplies matching coordinates and adds them. This tool accepts two equal-length vectors.
Open Dot Product Calculator on toolpermarket. It runs entirely in your browser, so you can start without creating an account.
Enter the two vectors as comma-separated numbers in the fields above, then press Calculate.
Read the result below the form. Change any input and run it again as many times as you like — the math is instant and local.
Worked example. The dot product of (1,2,3) and (4,5,6) is 32.
When to use Dot Product Calculator. Use it in geometry, physics, and machine learning wherever vectors meet.
Frequently asked questions
Is Dot Product Calculator free to use?
Yes. Dot Product Calculator runs entirely in your browser. There is no account, no upload, and no cost.
Does Dot Product Calculator work on mobile?
Yes. The layout is responsive, so Dot Product Calculator works on any phone, tablet, or desktop with a modern browser.
Must the vectors be the same length?
Yes. The dot product pairs up coordinates, so mismatched lengths have no defined result.
What does a zero result mean?
A zero dot product means the vectors are perpendicular, at right angles to each other.