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Cosine Similarity Calculator
Measure the cosine similarity between two 3D vectors.
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Cosine similarity
Compare Your Options And Get Clear Answers
Measure the cosine similarity between two 3D vectors.
Cosine Similarity Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: cos = A.B / (|A||B|).
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Cosine Quick Guide
Typical values for reference.
| A x | A y | A z | Similarity |
|---|---|---|---|
| 1 | 2 | 3 | 0.9746 |
| 1 | 0 | 0 | 0.0000 |
| 1 | 1 | 1 | 1.0000 |
| 1 | 2 | 0 | -1.0000 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Cosine Similarity Calculator FAQ
Answers to common questions about this calculator.
The cosine of the angle between two vectors.
-1 to 1.
Text matching and recommendation systems.
No, only direction.