Convert Signs to Sextants
Convert Signs (sign) to Sextants (sxt) instantly and accurately.
Conversion Formula
sxt = sign × 0.5
About Signs
An astrological sign equals 1/12 of a full circle - π/6 rad = exactly 30°. The zodiac divides the ecliptic into twelve 30° signs (Aries through Pisces), originating in Babylonian astronomy ~5th century BCE. Historical ecliptic longitude was expressed as sign + degrees: "Scorpio 12°" = 222°. The 30° spacing also appears in music theory: the circle of fifths has twelve equally spaced positions 30° apart, and the octave divides into 12 equal semitones. 1 sign = 30° = 1,800′ = π/6 rad = 533.3 NATO mils.
About Sextants
A sextant, as an angle unit, equals 1/6 of a full circle - π/3 rad = exactly 60°. The marine sextant (invented ~1730s by John Hadley and Thomas Godfrey) measures the altitude between a celestial body and the horizon; its 60° arc gives 120° measurement range via double reflection. The 60° angle is geometrically fundamental: equilateral triangles, regular hexagons, hexagonal crystal structures, and sp²-hybridised carbon (benzene, graphene) all exhibit 60° symmetry. 1 sextant = 60° = π/3 rad = 100 grad.
Quick Reference Table
| Signs (sign) | Sextants (sxt) |
|---|---|
| 1 sign | 0.5 sxt |
| 2 sign | 1 sxt |
| 5 sign | 2.5 sxt |
| 10 sign | 5 sxt |
| 25 sign | 12.5 sxt |
| 50 sign | 25 sxt |
| 100 sign | 50 sxt |