• arcsec   deg
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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.

Did you know?

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.

> Arcseconds to Degrees Conversion Table

Arcseconds Degrees
0 arcsec 0 deg
50 arcsec 0.0138889 deg
100 arcsec 0.0277778 deg
150 arcsec 0.0416667 deg
200 arcsec 0.0555556 deg
250 arcsec 0.0694444 deg
300 arcsec 0.0833333 deg
350 arcsec 0.0972222 deg
400 arcsec 0.111111 deg
450 arcsec 0.125 deg
500 arcsec 0.138889 deg
550 arcsec 0.152778 deg
600 arcsec 0.166667 deg
650 arcsec 0.180556 deg
700 arcsec 0.194444 deg
750 arcsec 0.208333 deg
800 arcsec 0.222222 deg
850 arcsec 0.236111 deg
900 arcsec 0.25 deg
950 arcsec 0.263889 deg
1000 arcsec 0.277778 deg
1050 arcsec 0.291667 deg
1100 arcsec 0.305556 deg
1150 arcsec 0.319444 deg
1200 arcsec 0.333333 deg
1250 arcsec 0.347222 deg
1300 arcsec 0.361111 deg
1350 arcsec 0.375 deg
1400 arcsec 0.388889 deg
1450 arcsec 0.402778 deg
1500 arcsec 0.416667 deg
1550 arcsec 0.430556 deg
1600 arcsec 0.444444 deg
1650 arcsec 0.458333 deg
1700 arcsec 0.472222 deg
1750 arcsec 0.486111 deg
1800 arcsec 0.5 deg
1850 arcsec 0.513889 deg
1900 arcsec 0.527778 deg
1950 arcsec 0.541667 deg
2000 arcsec 0.555556 deg
2050 arcsec 0.569444 deg
2100 arcsec 0.583333 deg
2150 arcsec 0.597222 deg
2200 arcsec 0.611111 deg
2250 arcsec 0.625 deg
2300 arcsec 0.638889 deg
2350 arcsec 0.652778 deg
2400 arcsec 0.666667 deg
2450 arcsec 0.680556 deg
2500 arcsec 0.694444 deg
2550 arcsec 0.708333 deg
2600 arcsec 0.722222 deg
2650 arcsec 0.736111 deg
2700 arcsec 0.75 deg
2750 arcsec 0.763889 deg
2800 arcsec 0.777778 deg
2850 arcsec 0.791667 deg
2900 arcsec 0.805556 deg
2950 arcsec 0.819444 deg
3000 arcsec 0.833333 deg
3050 arcsec 0.847222 deg
3100 arcsec 0.861111 deg
3150 arcsec 0.875 deg
3200 arcsec 0.888889 deg
3250 arcsec 0.902778 deg
3300 arcsec 0.916667 deg
3350 arcsec 0.930556 deg
3400 arcsec 0.944444 deg
3450 arcsec 0.958333 deg
3500 arcsec 0.972222 deg
3550 arcsec 0.986111 deg
3600 arcsec 1 deg