Convert Radians

Protractors are often used to measure angle

Radians are a measure of angle, and can be abbreviated as rad. For example 1 radian can be written as 1 rad.

Radian Conversion Calculators

Choose an imperial or metric unit to convert radians to.

Convert radians to degrees
1 radian is equal to 57.29578 degrees
Convert radians to grad
1 radian is equal to 63.661977 grad
Convert radians to revolutions
1 radian is equal to 0.159155 revolutions
Convert radians to circles
1 radian is equal to 0.159155 circles
Convert radians to mils
1 radian is equal to 1,019 mils

We have many more angle conversion tools that you might also find useful.

Radians unit of measurement conversion

Radians Measurement Conversion Table

Common radian values and equivalent imperial and metric angle measurements
radians degrees grad revolutions circles mils
1 rad 57.29578° 63.661977g 0.159155 r 0.159155 cir 1,019 mil
2 rad 114.591559° 127.323954g 0.31831 r 0.31831 cir 2,037 mil
3 rad 171.887339° 190.985932g 0.477465 r 0.477465 cir 3,056 mil
4 rad 229.183118° 254.647909g 0.63662 r 0.63662 cir 4,074 mil
5 rad 286.478898° 318.309886g 0.795775 r 0.795775 cir 5,093 mil
6 rad 343.774677° 381.971863g 0.95493 r 0.95493 cir 6,112 mil
7 rad 401.070457° 445.633841g 1.114085 r 1.114085 cir 7,130 mil
8 rad 458.366236° 509.295818g 1.27324 r 1.27324 cir 8,149 mil
9 rad 515.662016° 572.957795g 1.432394 r 1.432394 cir 9,167 mil
10 rad 572.957795° 636.619772g 1.591549 r 1.591549 cir 10,186 mil
11 rad 630.253575° 700.28175g 1.750704 r 1.750704 cir 11,205 mil
12 rad 687.549354° 763.943727g 1.909859 r 1.909859 cir 12,223 mil
13 rad 744.845134° 827.605704g 2.069014 r 2.069014 cir 13,242 mil
14 rad 802.140913° 891.267681g 2.228169 r 2.228169 cir 14,260 mil
15 rad 859.436693° 954.929659g 2.387324 r 2.387324 cir 15,279 mil
16 rad 916.732472° 1,019g 2.546479 r 2.546479 cir 16,297 mil
17 rad 974.028252° 1,082g 2.705634 r 2.705634 cir 17,316 mil
18 rad 1,031° 1,146g 2.864789 r 2.864789 cir 18,335 mil
19 rad 1,089° 1,210g 3.023944 r 3.023944 cir 19,353 mil
20 rad 1,146° 1,273g 3.183099 r 3.183099 cir 20,372 mil