Solar radius

R_☉ = 6.957 × 10⁸ m

Unit: m
Value: 6.957 × 10⁸
Exact: yes
Note: The photosphere's radius; the Sun has no solid surface, so this is a convention.
Symbol: R_☉
Category: Astronomical
Numeric: 695700000
Uncertainty: adopted (IAU nominal)

Open on the Constants & Units shelf — the interactive card, the filters, and everything alongside it.

From the Constants database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.