About the Units
second (″)
An angular measure equal to 1/60 of a minute or 1/3600 of a degree, used for very precise measurements.
minute (′)
An angular measure equal to 1/60 of a degree, used for precise measurements.
Common Conversions
- 1 ″ = 0.016666668 ′
- 60.0 ″ = 1 ′