Vector Math

Dot Product Calculator

Calculate the dot product, individual magnitudes, and relative angle between any two vectors.

dot productscalar productangle
Dot Product

Compute the scalar product and angle between two vectors.

A · B
-9
‖A‖
3.741657
‖B‖
6.708204
Angle θ
1.93753 rad (111.0123°)

Dot product

A · B = Σ aᵢ bᵢ = ‖A‖ ‖B‖ cos θ

Along with the scalar result, the calculator reports the magnitudes and angle in both radians and degrees.

How to use

  1. Enter vector A and vector B using comma-separated components.
  2. Ensure both vectors share the same dimension.
  3. Review the dot product, magnitudes, and angle between the vectors.

Example

Input: A = (2, 1, −3), B = (4, −2, 5)

Output: A · B = −7, θ ≈ 110.6°

Student-friendly breakdown

This walkthrough emphasizes the most searched ideas for Dot Product Calculator: vector calculator, vector addition calculator, dot product calculator, cross product calculator. Start with the formula above, then follow the guided steps to double-check your work. For quick revision, highlight the givens, plug into the equation, and finish by verifying your units.

Need more support? Use the links below to open the long-form guide, browse additional examples, or hop into adjacent calculators within the same topic. Each resource is interlinked so crawlers (and readers) can discover the next best action within a couple of clicks—one of the easiest ways to lift topical authority.

Deep dive & study plan

The Dot Product Calculator is a go-to tool whenever you need to finds the scalar product plus the angle between vectors.. It focuses on dot product, scalar product, angle, which means searchers often arrive with intent-heavy queries like “how to dot product calculator quickly” or “dot product calculator formula explained.” Use this calculator to capture those intents and keep learners on the page long enough to send positive engagement signals.

Under the hood, the calculator leans on along with the scalar result, the calculator reports the magnitudes and angle in both radians and degrees.—that’s why we surface the full expression (“A · B = Σ aᵢ bᵢ = ‖A‖ ‖B‖ cos θ”) directly above the interactive widget. When you embed that formula inside H2s or supporting paragraphs, you help both humans and crawlers understand what entity the page represents.

Execution matters as much as the math. Follow the built-in procedure: Step 1: Enter vector A and vector B using comma-separated components. Step 2: Ensure both vectors share the same dimension. Step 3: Review the dot product, magnitudes, and angle between the vectors.. Each numbered instruction is short enough to scan on mobile but descriptive enough to satisfy Google’s Helpful Content guidelines. Encourage students to jot down units, double-check signs, and compare answers with the Example card to build confidence.

The Example section itself is packed with semantic clues: “A = (2, 1, −3), B = (4, −2, 5)” leading to “A · B = −7, θ ≈ 110.6°.” Pepper similar narratives throughout your copy (and internal links from related guides) so canonical search intents are answered without pogo-sticking back to Google.

Quick retention checklist

  • Speak the formula aloud (or annotate it) so the relationships stick.
  • Write each step in your own words and compare with the numbered list above.
  • Swap in new numbers for the Example to make sure the calculator (and your logic) handles edge cases.
  • Link out to at least two related calculators to keep readers exploring your topical hub.

FAQ & notes

What if one vector is zero?

The dot product returns zero and the angle is undefined because it depends on both magnitudes.

Does the order matter?

No—the dot product is commutative, so swapping A and B produces the same result.

What formula does the Dot Product Calculator use?

Along with the scalar result, the calculator reports the magnitudes and angle in both radians and degrees.

How do I use the Dot Product Calculator?

Enter vector A and vector B using comma-separated components. Ensure both vectors share the same dimension. Review the dot product, magnitudes, and angle between the vectors.