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 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

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