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angle units conversion

Amount: 1 quadrant (1/4 rev) of angle
Equals: 1.57 radians (rad) in angle

Converting quadrant to radians value in the angle units scale.

TOGGLE :   from radians into quadrants in the other way around.

angle from quadrant to radian conversion results

Enter a new quadrant number to convert

* Whole numbers, decimals or fractions (ie: 6, 5.33, 17 3/8)
* Precision is how many digits after decimal point (1 - 9)

Enter Amount :
Decimal Precision :

CONVERT :   between other angle measuring units - complete list.

How many radians are in 1 quadrant? The answer is: 1 1/4 rev equals 1.57 rad

1.57 rad is converted to 1 of what?

The radians unit number 1.57 rad converts to 1 1/4 rev, one quadrant. It is the EQUAL angle value of 1 quadrant but in the radians angle unit alternative.

1/4 rev/rad angle conversion result
1 1/4 rev = 1.57 rad

Conversion chart - quadrants to radians

1 quadrant to radians = 1.57 rad

2 quadrants to radians = 3.14 rad

3 quadrants to radians = 4.71 rad

4 quadrants to radians = 6.28 rad

5 quadrants to radians = 7.85 rad

6 quadrants to radians = 9.42 rad

7 quadrants to radians = 11.00 rad

8 quadrants to radians = 12.57 rad

9 quadrants to radians = 14.14 rad

10 quadrants to radians = 15.71 rad

11 quadrants to radians = 17.28 rad

12 quadrants to radians = 18.85 rad

13 quadrants to radians = 20.42 rad

14 quadrants to radians = 21.99 rad

15 quadrants to radians = 23.56 rad

Category: main menuangle menuQuadrants

Convert angle of quadrant (1/4 rev) and radians (rad) units in reverse from radians into quadrants.


This calculator is based on conversion of two angle units. An angle consists of two rays (as in sides of an angle sharing a common vertex or else called the endpoint.) Some belong to rotation measurements - spherical angles measured by arcs' lengths, pointing from the center, plus the radius. For a whole set of multiple units of angle on one page, try that Multiunit converter tool which has built in all angle unit-variations. Page with individual angle units.

Converter type: angle units

First unit: quadrant (1/4 rev) is used for measuring angle.
Second: radian (rad) is unit of angle.

15 1/4 rev = ? rad

15 1/4 rev = 23.56 rad

Abbreviation, or prefix, for quadrant is:
1/4 rev
Abbreviation for radian is:

Other applications for this angle calculator ...

With the above mentioned two-units calculating service it provides, this angle converter proved to be useful also as a teaching tool:
1. in practicing quadrants and radians ( 1/4 rev vs. rad ) measures exchange.
2. for conversion factors between unit pairs.
3. work with angle's values and properties.

To link to this angle quadrant to radians online converter simply cut and paste the following.
The link to this tool will appear as: angle from quadrant (1/4 rev) to radians (rad) conversion.

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