A degree is a versatile unit used to measure angles, temperature, and even geographic coordinates. When it comes to angles, the degree’s origin traces back to ancient Babylon, where mathematicians used a base-60 number system. This influence is why there are 360 degrees in a circle—a number easily divisible into many integer parts, allowing for precise calculations.
In navigation and cartography, degrees are crucial for pinpointing locations on Earth’s surface through latitude and longitude. Notably, each degree of latitude encompasses about 111 kilometers on the planet’s surface. Meanwhile, in temperature measurement, degrees Fahrenheit and Celsius reveal a fascinating convergence: −40°F is equivalent to −40°C, a curiosity often unknown by many. These uses highlight the degree’s essential role across various fields of science and everyday life.
An arcsecond is a fascinating unit of angular measurement used extensively in astronomy and geodesy. To grasp its minuteness, consider that an arcsecond is 1/3600th of a degree, and there are 360 degrees in a full circle. For practical perspective, the apparent size of a U.S. dime viewed from about 4 kilometers (or 2.5 miles) away roughly equals an arcsecond.
In the realm of astronomy, arcseconds are crucial for measuring celestial events and distances. The Hubble Space Telescope’s resolution power is often celebrated for its ability to distinguish details as tiny as about 0.05 arcseconds—akin to seeing a bumblebee 800 kilometers away! This unit’s precision is vital for understanding the cosmos, from determining stellar positions to mapping distant galaxies.
Degrees | Arcseconds |
---|---|
0
deg
|
0
arcsec
|
5
deg
|
18000
arcsec
|
10
deg
|
36000
arcsec
|
15
deg
|
54000
arcsec
|
20
deg
|
72000
arcsec
|
25
deg
|
90000
arcsec
|
30
deg
|
108000
arcsec
|
35
deg
|
126000
arcsec
|
40
deg
|
144000
arcsec
|
45
deg
|
162000
arcsec
|
50
deg
|
180000
arcsec
|
55
deg
|
198000
arcsec
|
60
deg
|
216000
arcsec
|
65
deg
|
234000
arcsec
|
70
deg
|
252000
arcsec
|
75
deg
|
270000
arcsec
|
80
deg
|
288000
arcsec
|
85
deg
|
306000
arcsec
|
90
deg
|
324000
arcsec
|
95
deg
|
342000
arcsec
|
100
deg
|
360000
arcsec
|
105
deg
|
378000
arcsec
|
110
deg
|
396000
arcsec
|
115
deg
|
414000
arcsec
|
120
deg
|
432000
arcsec
|
125
deg
|
450000
arcsec
|
130
deg
|
468000
arcsec
|
135
deg
|
486000
arcsec
|
140
deg
|
504000
arcsec
|
145
deg
|
522000
arcsec
|
150
deg
|
540000
arcsec
|
155
deg
|
558000
arcsec
|
160
deg
|
576000
arcsec
|
165
deg
|
594000
arcsec
|
170
deg
|
612000
arcsec
|
175
deg
|
630000
arcsec
|
180
deg
|
648000
arcsec
|
185
deg
|
666000
arcsec
|
190
deg
|
684000
arcsec
|
195
deg
|
702000
arcsec
|
200
deg
|
720000
arcsec
|
205
deg
|
738000
arcsec
|
210
deg
|
756000
arcsec
|
215
deg
|
774000
arcsec
|
220
deg
|
792000
arcsec
|
225
deg
|
810000
arcsec
|
230
deg
|
828000
arcsec
|
235
deg
|
846000
arcsec
|
240
deg
|
864000
arcsec
|
245
deg
|
882000
arcsec
|
250
deg
|
900000
arcsec
|
255
deg
|
918000
arcsec
|
260
deg
|
936000
arcsec
|
265
deg
|
954000
arcsec
|
270
deg
|
972000
arcsec
|
275
deg
|
990000
arcsec
|
280
deg
|
1008000
arcsec
|
285
deg
|
1026000
arcsec
|
290
deg
|
1044000
arcsec
|
295
deg
|
1062000
arcsec
|
300
deg
|
1080000
arcsec
|
305
deg
|
1098000
arcsec
|
310
deg
|
1116000
arcsec
|
315
deg
|
1134000
arcsec
|
320
deg
|
1152000
arcsec
|
325
deg
|
1170000
arcsec
|
330
deg
|
1188000
arcsec
|
335
deg
|
1206000
arcsec
|
340
deg
|
1224000
arcsec
|
345
deg
|
1242000
arcsec
|
350
deg
|
1260000
arcsec
|
355
deg
|
1278000
arcsec
|
360
deg
|
1296000
arcsec
|
Conversion | Call to Action |
---|---|
Degrees to Radians | Go to converter |
Degrees to Gradians | Go to converter |
Degrees to Arcminutes | Go to converter |