Convert Radian to Point - Free Calculator
Fast, accurate angles conversion calculator. Convert radian to point instantly with precise results.
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How to Convert Radian to Point
Use this free online calculator to convert Radian to Point instantly. This angles conversion tool provides accurate results for all your measurement needs.
Quick Reference
Radian to Point Conversion Formula
To convert Radian to Point, multiply by 5.09296.
To convert Point back to Radian, divide by 5.09296 (or multiply by 0.19635).
About These Units
About Radian
The radian is a unit of angle measure widely used in mathematics and science. One radian is the angle at the center of a circle that cuts off an arc of length equal to the radius. Since the circumference equals 2 pi times the radius, one radian equals 1/(2 pi) of the circle, or approximately 57.295 779°. Using radians to measure angles seems unnatural at first. However, when angles are stated in radians the constant pi tends to disappear from the equations, and this greatly simplifies calculation. For example, the length of an arc is simply its radius multiplied by its angular measure in radians, and the area of a sector of a circle is simply its angular measure in radians multiplied by half the square of the radius. The radian was defined and named by James Thomson in 1873. Thomson was a mathematics professor at Queens College, Belfast, Northern Ireland, and the brother of the famous physicist William Thomson, Lord Kelvin.
About Point
The <b>point</b> is a unit of angle measure equal to 1/32 of a circle. Compasses are read by suspending the compass needle over a compass card traditionally inscribed with a 32-point star. Each point of the star represents a named direction; for example, the first five points from north towards east are labeled North, North by East, North Northeast, Northeast by North, and Northeast. The difference between two directions can be expressed as a certain number of these compass points. One point equals 11°15' of arc or pi/16 radians.
Radian to Point Conversion Table
| Radian | Point | Point | Radian |
|---|---|---|---|
| 0.1 | 0.509296 | 0.1 | 0.019635 |
| 0.5 | 2.54648 | 0.5 | 0.0981748 |
| 1 | 5.09296 | 1 | 0.19635 |
| 2 | 10.1859 | 2 | 0.392699 |
| 5 | 25.4648 | 5 | 0.981748 |
| 10 | 50.9296 | 10 | 1.9635 |
| 20 | 101.859 | 20 | 3.92699 |
| 25 | 127.324 | 25 | 4.90874 |
| 50 | 254.648 | 50 | 9.81748 |
| 100 | 509.296 | 100 | 19.635 |
| 250 | 1,273.24 | 250 | 49.0874 |
| 500 | 2,546.48 | 500 | 98.1748 |
| 1000 | 5,092.96 | 1000 | 196.35 |
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