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Square Diagonal from Side

Calculate square diagonal from side length using d = s√2.

Author

Dr. Pablo Gutierrez

Math editorial contributor

Chilean climate scientist at the University of Chile, modeling glacier retreat in the Patagonian ice fields

Reviewed by

Dr. Isabella Rossi

Math content reviewer

Italian neuroscientist at Sapienza University of Rome, studying the neural mechanisms of bilingual language processing

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. Reference values
  2. Calculator
  3. Reference table
  4. FAQs
  5. Methodology and review
  6. Related conversions

11 units =

15.5563 units

Representative value from the Square Diagonal from Side reference table.

Reference Values

Browse 20 reference values with individual detail pages for quick lookup.

Browse all reference values

Square Diagonal from Side

Calculate square diagonal from side length using d = s√2.

Calculated Result

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Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Square Diagonal from Side Reference
Side LengthSquare Diagonal
1 units1.4142 units
2 units2.8284 units
3 units4.2426 units
4 units5.6569 units
5 units7.0711 units
6 units8.4853 units
7 units9.8995 units
8 units11.3137 units
9 units12.7279 units
10 units14.1421 units
11 units15.5563 units
12 units16.9706 units
13 units18.3848 units
14 units19.799 units
15 units21.2132 units
16 units22.6274 units
17 units24.0416 units
18 units25.4558 units
19 units26.8701 units
20 units28.2843 units

Frequently Asked Questions

Common questions about Square Diagonal from Side, formulas, and typical use cases.

What does the Square Diagonal from Side calculator do?

It calculates finding corner-to-corner distance for square panels, tiles, and layouts from the values you enter.

What formula does the Square Diagonal from Side calculator use?

Square diagonal = side × √2.

What inputs are valid?

Enter a non-negative side length. Physical dimensions are typically positive.

When would I use this?

finding corner-to-corner distance for square panels, tiles, and layouts

Methodology and Review

This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.

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