Angle Converter

Convert between degrees, radians, arcseconds, minutes of arc, gradians, and milliradians instantly. No page reloads—just select your units and enter a value.

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Convert angles between all common units: degrees, radians, arcseconds, minutes of arc, gradians, and milliradians.
Change units instantly—no page reloads or navigation.
Enter your value and see the conversion update live.
All calculations are done locally in your browser for privacy.

Common Angle Conversions

Value	From	Degree	Radian	Arcsecond	Minute of Arc	Gradian	Milliradian	Action
1	Degree	1	0.017453293	3600	60	1.1111111	17.453293	Action
1	Radian	57.29578	1	206264.81	3437.7468	63.661977	1000	Action
1	Arcsecond	0.00027777778	0.0000048481368	1	0.016666667	0.00030864198	0.0048481368	Action
1	Minute of Arc	0.016666667	0.00029088821	60	1	0.018518519	0.29088821	Action
1	Gradian	0.9	0.015707963	3240	54	1	15.707963	Action
1	Milliradian	0.05729578	0.001	206.26481	3.4377468	0.063661977	1	Action
30	Degree	30	0.52359878	108000	1800	33.333333	523.59878	Action
30	Radian	1718.8734	30	6187944.2	103132.4	1909.8593	30000	Action
30	Arcsecond	0.0083333333	0.0001454441	30	0.5	0.0092592593	0.1454441	Action
30	Minute of Arc	0.5	0.0087266463	1800	30	0.55555556	8.7266463	Action
30	Gradian	27	0.4712389	97200	1620	30	471.2389	Action
30	Milliradian	1.7188734	0.03	6187.9442	103.1324	1.9098593	30	Action
45	Degree	45	0.78539816	162000	2700	50	785.39816	Action
45	Radian	2578.3101	45	9281916.3	154698.6	2864.789	45000	Action
45	Arcsecond	0.0125	0.00021816616	45	0.75	0.013888889	0.21816616	Action
45	Minute of Arc	0.75	0.013089969	2700	45	0.83333333	13.089969	Action
45	Gradian	40.5	0.70685835	145800	2430	45	706.85835	Action
45	Milliradian	2.5783101	0.045	9281.9163	154.6986	2.864789	45	Action
90	Degree	90	1.5707963	324000	5400	100	1570.7963	Action
90	Radian	5156.6202	90	18563833	309397.21	5729.578	90000	Action
90	Arcsecond	0.025	0.00043633231	90	1.5	0.027777778	0.43633231	Action
90	Minute of Arc	1.5	0.026179939	5400	90	1.6666667	26.179939	Action
90	Gradian	81	1.4137167	291600	4860	90	1413.7167	Action
90	Milliradian	5.1566202	0.09	18563.833	309.39721	5.729578	90	Action
180	Degree	180	3.1415927	648000	10800	200	3141.5927	Action
180	Radian	10313.24	180	37127665	618794.42	11459.156	180000	Action
180	Arcsecond	0.05	0.00087266463	180	3	0.055555556	0.87266463	Action
180	Minute of Arc	3	0.052359878	10800	180	3.3333333	52.359878	Action
180	Gradian	162	2.8274334	583200	9720	180	2827.4334	Action
180	Milliradian	10.31324	0.18	37127.665	618.79442	11.459156	180	Action
360	Degree	360	6.2831853	1296000	21600	400	6283.1853	Action
360	Radian	20626.481	360	74255330	1237588.8	22918.312	360000	Action
360	Arcsecond	0.1	0.0017453293	360	6	0.11111111	1.7453293	Action
360	Minute of Arc	6	0.10471976	21600	360	6.6666667	104.71976	Action
360	Gradian	324	5.6548668	1166400	19440	360	5654.8668	Action
360	Milliradian	20.626481	0.36	74255.33	1237.5888	22.918312	360	Action

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