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Vector calculator
Add, subtract, dot product, cross product, magnitude and angle for 2D and 3D vectors.
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- Works on any device
About Vector calculator
Add and subtract 2D or 3D vectors, and get the dot product, cross product, magnitude and the angle between them. A dot product of zero means the vectors are perpendicular. The cross product, available only in 3D, gives a vector perpendicular to both inputs.
How to use Vector calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How do I find the angle between two vectors?
Divide their dot product by the product of their magnitudes, then take the inverse cosine. A result of 90 degrees means the dot product was zero.
Is Vector calculator free?
Yes. Vector calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.