Sphere Radius from Surface Area Reference Values

Calculate sphere radius from surface area by solving A = 4πr² for radius.

Author

Prof. Mei-Ling Wu

Math editorial contributor

Taiwanese genomics researcher at National Taiwan University, leading studies on pharmacogenomics in East Asian populations

Reviewed for accuracy by

Prof. Hans Muller

Math content reviewer

German renewable energy engineer at TU Munich, pioneering grid-scale hydrogen storage solutions

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. All value pages
  2. Reference table
  3. FAQs
  4. Methodology and review
  5. Related conversions

Reference Value Index

This page lists 20 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Sphere Radius from Surface Area reference values
Sphere Surface AreaSphere Radius
1 sq units0.282095 units
5 sq units0.630783 units
10 sq units0.892062 units
25 sq units1.410474 units
50 sq units1.994711 units
100 sq units2.820948 units
250 sq units4.46031 units
500 sq units6.307831 units
1,000 sq units8.920621 units
2,500 sq units14.10474 units
5,000 sq units19.947114 units
10,000 sq units28.209479 units
25,000 sq units44.603103 units
50,000 sq units63.078313 units
100,000 sq units89.206206 units
250,000 sq units141.047396 units
500,000 sq units199.47114 units
1,000,000 sq units282.094792 units
2,500,000 sq units446.031029 units
5,000,000 sq units630.783131 units

Frequently Asked Questions

Frequently asked questions for Sphere Radius from Surface Area and its reference values.

What does the Sphere Radius from Surface Area calculator do?

It helps with estimating sphere radius from known coating or surface-area requirements.

What formula does the Sphere Radius from Surface Area calculator use?

Radius = √(A / 4π).

What inputs are valid?

Surface area must be zero or greater for physical spheres.

When would I use this?

estimating sphere radius from known coating or surface-area requirements

Methodology and Review

Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.

Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.