Earth Diameters to Earth Radii

Snapshot

1 Earth Diameter equals 2 Earth Radii. Conversion Encyclopedia uses the same fixed conversion basis across the calculator, common values, and reverse page for this page.

Reference basis: This conversion uses fixed astronomy size constants anchored to meters.
Example: For 2 Earth Diameters, the result equals 4 Earth Radii.
Use the reverse page if you need the opposite direction with the same basis.

Use the interactive calculator below for custom values and the common-value table for quick checks.

Converter Calculator

2 Earth Radii (R_earth)

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Explanation

This page converts Earth Diameters into Earth Radii using fixed astronomy size constants anchored to meters. The direct answer, calculator, and common values table all follow the same factor.

Formula: Earth Radii = Earth Diameters × 2. Why: both units are planetary size references tied to fixed meter constants, so the route follows one deterministic normalization path.

Earth Diameters (D_earth): a comparative planetary size unit based on Earth's diameter.

Earth Radii (R_earth): a planetary reference unit based on Earth's mean radius.

This route is useful when comparing planetary reference scales such as Earth and Jupiter sizes in astronomy education, exoplanet discussion, and object-size summaries.

Because the route stays inside one meter-based reference model, the mirror page reverses the same constants without changing the underlying assumptions.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Earth Diameter = 2 Earth Radii.
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Earth Diameters (D_earth)	Earth Radii (R_earth)
1	2
2	4
5	10
10	20
100	200
1,000	2,000

Frequently Asked Questions

What is 1 earth diameter in earth radii?

1 Earth Diameter equals 2 Earth Radii on this page.

What fixed planetary size constants define Earth Diameters to Earth Radii?

Both units are planetary reference scales tied to fixed meter constants, so this page keeps one deterministic Earth/Jupiter-style size ratio throughout the route.

When would I convert earth diameters to earth radii?

This route is useful when comparing planetary reference scales such as Earth and Jupiter sizes in astronomy education, exoplanet discussion, and object-size summaries.

How do I reverse Earth Diameters to Earth Radii?

Use the mirror Earth Radii to Earth Diameters route; it reverses the same astronomy size constants without changing the underlying assumptions.