• rad   arcsec
  •  
Rounding Mode:

A radian is a unit of angular measure used in mathematics and is crucial for its ability to maintain consistency in trigonometric calculations. It is defined as the angle formed when the arc length equals the radius of the circle. Unlike degrees, radians offer a natural connection to the properties of a circle, as there are \(2\pi\) radians in a full circle, reflecting the direct relationship with the circle’s circumference. Interestingly, radians are dimensionless, meaning they have no physical dimension, which makes them an extremely versatile unit across different applications in physics and engineering.

Radian’s significance extends beyond just academic circles; it forms the backbone of much of modern technology. For example, the calculations performed by digital devices like smartphones and computers in graphic rendering and signal processing rely heavily on radian-based trigonometry. This seamless integration into practical technology underscores the profound yet often unnoticed role radians play in our digital world. By using radians, we achieve more efficient and accurate results, highlighting their indispensable nature in both theoretical and applied sciences.

Did you know?

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.

> Radians to Arcseconds Conversion Table

Radians Arcseconds
0 rad 0 arcsec
0.1 rad 20626.48062 arcsec
0.2 rad 41252.96125 arcsec
0.3 rad 61879.44187 arcsec
0.4 rad 82505.9225 arcsec
0.5 rad 103132.40312 arcsec
0.6 rad 123758.88375 arcsec
0.7 rad 144385.36437 arcsec
0.8 rad 165011.845 arcsec
0.9 rad 185638.32562 arcsec
1 rad 206264.80625 arcsec
1.1 rad 226891.28687 arcsec
1.2 rad 247517.7675 arcsec
1.3 rad 268144.24812 arcsec
1.4 rad 288770.72875 arcsec
1.5 rad 309397.20937 arcsec
1.6 rad 330023.69 arcsec
1.7 rad 350650.17062 arcsec
1.8 rad 371276.65124 arcsec
1.9 rad 391903.13187 arcsec
2 rad 412529.61249 arcsec
2.1 rad 433156.09312 arcsec
2.2 rad 453782.57374 arcsec
2.3 rad 474409.05437 arcsec
2.4 rad 495035.53499 arcsec
2.5 rad 515662.01562 arcsec
2.6 rad 536288.49624 arcsec
2.7 rad 556914.97687 arcsec
2.8 rad 577541.45749 arcsec
2.9 rad 598167.93812 arcsec
3 rad 618794.41874 arcsec
3.1 rad 639420.89937 arcsec
3.2 rad 660047.38 arcsec
3.3 rad 680673.86062 arcsec
3.4 rad 701300.34124 arcsec
3.5 rad 721926.82186 arcsec
3.6 rad 742553.30249 arcsec
3.7 rad 763179.78311 arcsec
3.8 rad 783806.26374 arcsec
3.9 rad 804432.74436 arcsec
4 rad 825059.22499 arcsec
4.1 rad 845685.70561 arcsec
4.2 rad 866312.18624 arcsec
4.3 rad 886938.66686 arcsec
4.4 rad 907565.14749 arcsec
4.5 rad 928191.62811 arcsec
4.6 rad 948818.10874 arcsec
4.7 rad 969444.58936 arcsec
4.8 rad 990071.06999 arcsec
4.9 rad 1010697.55061 arcsec
5 rad 1031324.03124 arcsec
5.1 rad 1051950.51186 arcsec
5.2 rad 1072576.99248 arcsec
5.3 rad 1093203.47311 arcsec
5.4 rad 1113829.95373 arcsec
5.5 rad 1134456.43436 arcsec
5.6 rad 1155082.91498 arcsec
5.7 rad 1175709.39561 arcsec
5.8 rad 1196335.87623 arcsec
5.9 rad 1216962.35686 arcsec
6 rad 1237588.83748 arcsec
6.1 rad 1258215.31811 arcsec
6.2 rad 1278841.79873 arcsec