Angle Converter

Supports precise conversion between angle units such as radians, degrees, gradians, arcminutes, and arcseconds, with common angle references and one-click copy functionality.

Bug report

Browser execution mode: Your data is processed in your browser and is not uploaded to the server.

Speed and Stability: Processing speed depends on your device and browser. For large batch work, the desktop version may be more stable.

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If the online tool fails to load or run, try the desktop tool.https://tools.yikeaigc.com/

Tool Usage

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1Set Parameters

2Convert

3Copy Result

Input ValueSupports decimals, negatives, 1e-3

原单位

Main Result Unit

Quick Input

Batch DataOne angle per line, units allowed

Use “value unit symbol”. If no unit is given, the default source unit below is used.

Default Source Unit

Target Unit

DMS InputSupports negative angles

Enter degrees, minutes, and seconds to convert to decimal degrees, radians, and more.

Main Result Unit

DMS Format

Display Precision

Number Format

Copy format

Main result

90 degrees = 1.570796 radians

Select parameters, then start conversion.

Radian base1.570796 rad

Decimal degrees90 deg

DMS90°0′0″

Batch conversion results

Row	Original content	Detected unit	Target result	Status
Switch to batch conversion and click Start to view.

Copy preview

Common angle reference

Right angle90° = pi / 2 rad = 100 grad

Straight angle180° = pi rad = 200 grad

Full angle360° = 2pi rad = 400 grad

Fine units1° = 60′ = 3600″

Compass points1 point = 11.25°，32 point = 360°

Mil reference1 NATO mil = 0.05625°，6400 mil = 360°

Instructions

Software Usage Instructions

Select a conversion mode: Choose “Single Conversion,” “Batch Conversion,” or “Degrees Minutes Seconds” as needed. Angle conversion is lightweight, and the page uses clear sections to guide settings, conversion, and copying.
Set angle parameters:
- Single Conversion: Enter a value, then select the source unit and the main result unit.
- Batch Conversion: Enter one angle per line, in formats such as “90 deg,” “3.14159 rad,” or “45°30′15″.”
- Degrees Minutes Seconds: Enter degrees, arcminutes, and arcseconds separately, and convert them to decimal degrees, radians, and other units.
Select display options: Set the display precision, normal number/thousands separator/scientific notation, and text list or CSV copy format.
Start conversion: Click “Start Conversion and Continue to Next Step,” and the tool will generate the main result, results for all units, and a copy preview.
Copy or export: Copy the main result, copy all results, or download a CSV file for use in spreadsheets or calculation documents.
Save settings: Click “Save Settings” to save common units, precision, and copy format, which will be loaded automatically the next time you use it.

FAQ

A: It supports radians, degrees, gradians, arcminutes, arcseconds, milliradians, NATO mils, turns, compass points, and more, making it suitable for math, surveying, navigation, and engineering scenarios.

A: When converting degrees minutes seconds to decimal degrees, the formula is: degrees + arcminutes ÷ 60 + arcseconds ÷ 3600. For example, 45°30′15″ = 45.504167°.

A: To convert degrees to radians, use “degrees × π ÷ 180”; to convert radians to degrees, use “radians × 180 ÷ π.” For example, 180° = π rad, and 90° = π/2 rad.

A: Enter one angle per line. You can include unit symbols, such as 90 deg, 3.14159 rad, 100 grad, 6400 mil, or 0.25 turn. Degree-minute-second formats like 45°30′15″ are also supported.

A: Yes. Negative angles are often used to indicate rotation in the opposite direction. For example, -90° can be understood as a rotation opposite to the direction of 90°. Batch conversion and degree-minute-second mode also support negative numbers.

A: When values are very large or very small, scientific notation makes the results easier to read. You can also switch to regular numbers or thousands separator format in “Number Format”.