Arcseconds to decimal degrees
Type a value in " to get it in ° instantly.
0.01357°
That's 49× as far round as one arcsecond, while one arcminute is 1.23× larger. Written in degrees, minutes and seconds that is 0°00'48.858".
What it means
Where does that point?
Ground distances are for latitude, where a degree is about 111.1 km anywhere on Earth. A degree of longitude shrinks towards the poles, to nothing at all.
The math
How to convert " to °
To convert arcseconds to decimal degrees, multiply by 0.000277778.
Example: 48.8584 " × 0.000277778 = 0.0135718 °.
In the other direction, 1 ° = 3,600 ".
Every unit
Your angle in every unit
Tables
" to ° conversion table
| " | ° |
|---|---|
| 0.001 " | 2.778×10⁻⁷ ° |
| 0.01 " | 2.778×10⁻⁶ ° |
| 0.1 " | 2.778×10⁻⁵ ° |
| 0.5 " | 0.000138889 ° |
| 1 " | 0.000277778 ° |
| 15 " | 0.00416667 ° |
| 30 " | 0.00833333 ° |
| 45 " | 0.0125 ° |
| 51.5 " | 0.0143056 ° |
| 60 " | 0.0166667 ° |
| 90 " | 0.025 ° |
| 180 " | 0.05 ° |
° to " conversion table
| ° | " |
|---|---|
| 0.001 ° | 3.6 " |
| 0.01 ° | 36 " |
| 0.1 ° | 360 " |
| 0.5 ° | 1,800 " |
| 1 ° | 3,600 " |
| 15 ° | 54,000 " |
| 30 ° | 108,000 " |
| 45 ° | 162,000 " |
| 51.5 ° | 185,400 " |
| 60 ° | 216,000 " |
| 90 ° | 324,000 " |
| 180 ° | 648,000 " |
Quick answers
Quick answers
- How many ° is 1 "?
- 1 " is 0.000277778 °.
- How many ° is 10 "?
- 10 " is 0.00277778 °.
- How many ° is 48.8584 "?
- 48.8584 " is 0.0135718 °.
The units
About these units
Arcseconds (")
Sixtieths of an arcminute, about 31 meters on the ground.
Decimal degrees (°)
What GPS and mapping software use: one number with a decimal point.
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