Angle

Top  Previous  Next

The following units are included in this section:

 

ID

Unit

Definition

Wikipedia page and other notes

1

radian (rad)

-

https://en.wikipedia.org/wiki/Radian

2

degree (°)

(π/180) rad

https://en.wikipedia.org/wiki/Degree_(angle)

3

gradian (grad, gon)

(π/200) rad

https://en.wikipedia.org/wiki/Gradian

4

milliradian (mrad)

10-3 rad

https://en.wikipedia.org/wiki/Radian#SI_multiples

Page refers to Multiples of radian units

5

microradian (μrad)

10-6 rad

https://en.wikipedia.org/wiki/Radian#SI_multiples

Page refers to Multiples of radian units

6

circle (revolution, turn)

(2π) rad

https://en.wikipedia.org/wiki/Turn_(geometry)

7

quadrant (right angle)

(π/2) rad

https://en.wikipedia.org/wiki/Right_angle

8

minute of arc (′)

(1/60) degree

https://en.wikipedia.org/wiki/Minute_and_second_of_arc

Page refers to Minute and second of arc

9

second of arc (′′)

(1/3600) degree

https://en.wikipedia.org/wiki/Minute_and_second_of_arc

Page refers to Minute and second of arc

 

All the above definitions of the various units are EXACT.

Note: In the above, a period (.) is used to indicate the decimal place and a comma (,) is used to separate groups of thousands.

 

Type of conversion relationship: DIRECTLY PROPORTIONAL (y=ax)

Example conversion diagram (see two units in bold above):

Angle