Square Side from Diagonal

Calculate square side length from diagonal using side = diagonal / √2.

Author

Dr. Nadia Petrov

Math editorial contributor

Serbian biomedical engineer trained at Imperial College London, developing low-cost prosthetics for conflict zones

Reviewed by

Dr. Emeka Nwosu

Math content reviewer

Nigerian legal scholar with an SJD from Yale, focused on international trade law and African continental free trade agreements

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

50 units =

35.355339 units

Representative value from the Square Side from Diagonal reference table.

Reference Values

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

Browse all reference values

Square Side from Diagonal

Calculate square side length from diagonal using side = diagonal / √2.

Calculated Result

Reference Table

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

Square Side from Diagonal Reference
DiagonalSide Length
1 units0.707107 units
2 units1.414214 units
3 units2.12132 units
5 units3.535534 units
7.07 units4.999245 units
10 units7.071068 units
14.14 units9.99849 units
20 units14.142136 units
28.28 units19.99698 units
40 units28.284271 units
50 units35.355339 units
70.71 units49.99952 units
100 units70.710678 units
141.42 units99.999041 units
200 units141.421356 units
282.84 units199.998082 units
400 units282.842712 units
500 units353.553391 units
707.11 units500.002276 units
1,000 units707.106781 units

Frequently Asked Questions

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

What does the Square Side from Diagonal calculator do?

It helps with finding square side dimensions from corner-to-corner measurements.

What formula does the Square Side from Diagonal calculator use?

Square side length = diagonal / √2.

What inputs are valid?

Diagonal should be zero or greater. Physical diagonals are positive.

When would I use this?

finding square side dimensions from corner-to-corner measurements

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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