Arcminute to Quadrant Converter
Conversion Formula
Unit Description
Arcminute (′)
Definition
An arcminute (′) is a unit of angular measurement equal to 1/60 of a degree. It provides finer precision than degrees for measuring small angles, particularly useful in astronomy and navigation.
History
Arcminutes developed from the Babylonian base-60 system, where each degree was subdivided into 60 minutes. The term 'minute' comes from the Latin 'pars minuta prima' meaning 'first small part'. This subdivision system has been used in astronomy and navigation for over 2,000 years.
Current Use
Arcminutes are extensively used in astronomy for measuring celestial object positions and separations, in surveying for precise land measurements, and in navigation for GPS coordinates. They're also used in optics for measuring angular resolution and in artillery for targeting calculations.
Quadrant (quad)
Definition
A quadrant is a unit of angular measurement equal to 1/4 of a full rotation, or 90 degrees. It represents one of the four equal sections created when a circle is divided by perpendicular diameters.
History
The quadrant concept dates back to ancient geometry and astronomy, where circles were naturally divided into four equal parts. The term comes from the Latin 'quadrans' meaning 'fourth part'. Quadrants were fundamental in early navigation instruments and astronomical observations.
Current Use
Quadrants are used in coordinate geometry for describing the four sections of the Cartesian plane, in navigation for general directional references, and in some engineering applications. They're also used in describing rotational positions in mechanical systems and in some educational contexts for teaching angle concepts.
Conversion Table
Arcminute(′) | Quadrant(quad) |
---|---|
1 | 0.000185185 |
2 | 0.00037037 |
3 | 0.000555556 |
4 | 0.000740741 |
5 | 0.000925926 |
6 | 0.00111111 |
7 | 0.0012963 |
8 | 0.00148148 |
9 | 0.00166667 |
10 | 0.00185185 |
Conversion Examples
Convert 1 Arcminute to Quadrant
- Conversion Formula: quad = ′ ÷ (90 × 60)
- Calculation: 1′ ÷ (90 × 60) = 0.000185185quad
Convert 10 Arcminute to Quadrant
- Conversion Formula: quad = ′ ÷ (90 × 60)
- Calculation: 10′ ÷ (90 × 60) = 0.00185185quad
Convert 100 Arcminute to Quadrant
- Conversion Formula: quad = ′ ÷ (90 × 60)
- Calculation: 100′ ÷ (90 × 60) = 0.0185185quad
Convert 1,000 Arcminute to Quadrant
- Conversion Formula: quad = ′ ÷ (90 × 60)
- Calculation: 1,000′ ÷ (90 × 60) = 0.185185quad