Protractors are often used to measure angle

Convert Radians

What would you like to convert radians to? You may choose an imperial or metric unit.
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
Radians are a measure of angle. Radian is a angle unit of measure and can be abbreviated as rad. For example 1 radian can be written as 1rad. Learn more about angle and find more unit of measurement conversion tools on the angle measurement conversion page.
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 57.29578 63.661977 0.159155 0.159155 1,019
2 114.591559 127.323954 0.31831 0.31831 2,037
3 171.887339 190.985932 0.477465 0.477465 3,056
4 229.183118 254.647909 0.63662 0.63662 4,074
5 286.478898 318.309886 0.795775 0.795775 5,093
6 343.774677 381.971863 0.95493 0.95493 6,112
7 401.070457 445.633841 1.114085 1.114085 7,130
8 458.366236 509.295818 1.27324 1.27324 8,149
9 515.662016 572.957795 1.432394 1.432394 9,167
10 572.957795 636.619772 1.591549 1.591549 10,186
11 630.253575 700.28175 1.750704 1.750704 11,205
12 687.549354 763.943727 1.909859 1.909859 12,223
13 744.845134 827.605704 2.069014 2.069014 13,242
14 802.140913 891.267681 2.228169 2.228169 14,260
15 859.436693 954.929659 2.387324 2.387324 15,279
16 916.732472 1,019 2.546479 2.546479 16,297
17 974.028252 1,082 2.705634 2.705634 17,316
18 1,031 1,146 2.864789 2.864789 18,335
19 1,089 1,210 3.023944 3.023944 19,353
20 1,146 1,273 3.183099 3.183099 20,372