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1 quarter circles = 1.5707963 radians 

Quarter circles to Radians Conversion

Quarter circle to radian conversion allow you make a conversion between quarter circle and radian easily. You can find the tool in the following.

Angle Conversion

to

input
= 1.57079630
= 0.015708 × 102
= 0.015708E2
= 0.015708e2
converter  table
= 3.14159260
= 0.0314159 × 102
= 0.0314159E2
= 0.0314159e2
converter  table
= 4.71238890
= 0.0471239 × 102
= 0.0471239E2
= 0.0471239e2
converter  table
= 6.28318520
= 0.0628319 × 102
= 0.0628319E2
= 0.0628319e2
converter  table
= 7.85398150
= 0.0785398 × 102
= 0.0785398E2
= 0.0785398e2
converter  table

Quick Look: quarter circles to radians

quarter circle1 1/4 circle2 1/4 circle3 1/4 circle4 1/4 circle5 1/4 circle6 1/4 circle7 1/4 circle8 1/4 circle9 1/4 circle10 1/4 circle11 1/4 circle12 1/4 circle13 1/4 circle14 1/4 circle15 1/4 circle16 1/4 circle17 1/4 circle18 1/4 circle19 1/4 circle20 1/4 circle21 1/4 circle22 1/4 circle23 1/4 circle24 1/4 circle25 1/4 circle26 1/4 circle27 1/4 circle28 1/4 circle29 1/4 circle30 1/4 circle31 1/4 circle32 1/4 circle33 1/4 circle34 1/4 circle35 1/4 circle36 1/4 circle37 1/4 circle38 1/4 circle39 1/4 circle40 1/4 circle41 1/4 circle42 1/4 circle43 1/4 circle44 1/4 circle45 1/4 circle46 1/4 circle47 1/4 circle48 1/4 circle49 1/4 circle50 1/4 circle51 1/4 circle52 1/4 circle53 1/4 circle54 1/4 circle55 1/4 circle56 1/4 circle57 1/4 circle58 1/4 circle59 1/4 circle60 1/4 circle61 1/4 circle62 1/4 circle63 1/4 circle64 1/4 circle65 1/4 circle66 1/4 circle67 1/4 circle68 1/4 circle69 1/4 circle70 1/4 circle71 1/4 circle72 1/4 circle73 1/4 circle74 1/4 circle75 1/4 circle76 1/4 circle77 1/4 circle78 1/4 circle79 1/4 circle80 1/4 circle81 1/4 circle82 1/4 circle83 1/4 circle84 1/4 circle85 1/4 circle86 1/4 circle87 1/4 circle88 1/4 circle89 1/4 circle90 1/4 circle91 1/4 circle92 1/4 circle93 1/4 circle94 1/4 circle95 1/4 circle96 1/4 circle97 1/4 circle98 1/4 circle99 1/4 circle100 1/4 circle
radian1.5707963 rad3.1415926 rad4.7123889 rad6.2831852 rad7.8539815 rad9.4247778 rad10.9955741 rad12.5663704 rad14.1371667 rad15.707963 rad17.2787593 rad18.8495556 rad20.4203519 rad21.9911482 rad23.5619445 rad25.1327408 rad26.7035371 rad28.2743334 rad29.8451297 rad31.415926 rad32.9867223 rad34.5575186 rad36.1283149 rad37.6991112 rad39.2699075 rad40.8407038 rad42.4115001 rad43.9822964 rad45.5530927 rad47.123889 rad48.6946853 rad50.2654816 rad51.8362779 rad53.4070742 rad54.9778705 rad56.5486668 rad58.1194631 rad59.6902594 rad61.2610557 rad62.831852 rad64.4026483 rad65.9734446 rad67.5442409 rad69.1150372 rad70.6858335 rad72.2566298 rad73.8274261 rad75.3982224 rad76.9690187 rad78.539815 rad80.1106113 rad81.6814076 rad83.2522039 rad84.8230002 rad86.3937965 rad87.9645928 rad89.5353891 rad91.1061854 rad92.6769817 rad94.247778 rad95.8185743 rad97.3893706 rad98.9601669 rad100.5309632 rad102.1017595 rad103.6725558 rad105.2433521 rad106.8141484 rad108.3849447 rad109.955741 rad111.5265373 rad113.0973336 rad114.6681299 rad116.2389262 rad117.8097225 rad119.3805188 rad120.9513151 rad122.5221114 rad124.0929077 rad125.663704 rad127.2345003 rad128.8052966 rad130.3760929 rad131.9468892 rad133.5176855 rad135.0884818 rad136.6592781 rad138.2300744 rad139.8008707 rad141.371667 rad142.9424633 rad144.5132596 rad146.0840559 rad147.6548522 rad149.2256485 rad150.7964448 rad152.3672411 rad153.9380374 rad155.5088337 rad157.07963 rad

1/4 circle or quarter circle is equal to 360°/4 = 90°. Plural name is quarter circles.

Name of unitSymbolDefinitionRelation to SI unitsUnit System
quarter circle1/4 circle

≡ 45 °

= 1.5707963 rad

Metric system SI
Quarter circles Conversion

conversion table

quarter circlesradiansquarter circlesradians
1= 1.57079636= 9.4247778
2= 3.14159267= 10.9955741
3= 4.71238898= 12.5663704
4= 6.28318529= 14.1371667
5= 7.853981510= 15.707963
Quarter circles to Radians Conversion Table

The radian is the standard unit of angular measure, used in many areas of mathematics. The length of an arc of a unit circle is numerically equal to the measurement in radians of the angle that it subtends; one radian is just under 57.3 degrees.

Name of unitSymbolDefinitionRelation to SI unitsUnit System
radianrad

The angle subtended at the center of a circle by an arc whose length is equal to the circle's radius. One full revolution encompasses 2π radians.

= 1 rad

Metric system SI
Radians Conversion

conversion table

radiansquarter circlesradiansquarter circles
1= 0.636619783227146= 3.8197186993629
2= 1.27323956645437= 4.45633848259
3= 1.90985934968148= 5.0929582658172
4= 2.54647913290869= 5.7295780490443
5= 3.183098916135710= 6.3661978322714
Radians to Quarter circles Conversion Table

Conversion table

quarter circlesradians
1= 1.5707963
0.6366198= 1
Quarter circles to Radians Conversion Table

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Conversion in other languages

You can find the conversion in other languages in the following:

Legend

SymbolDefinition
≡exactly equal
≈approximately equal to
=equal to
digitsindicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)
  4. Quarter circles to Radians