# Excel RADIANS Function: Syntax, Examples & Tips - URL: https://betteranalyst.com/excel/radians-function - Author: Better Analyst Formula Bot is now Better Analyst—same account, more powerful analysis.Formula Bot is now Better Analyst—same account and workflows, with more powerful analysis, dashboards, and automation. [Learn what changed](https://betteranalyst.com/formula-bot-is-now-better-analyst) The RADIANS function converts degrees to radians, simplifying trigonometric and geometric calculations in Excel. ```excel =RADIANS(angle) ``` Generate FormulaExplain Formula One free generation or explanation per browser, shared across Excel and Google Sheets. Account usage limits apply afterward. Describe the RADIANS you need in plain EnglishGenerate Formula Need more than a single RADIANS formula? Try our free [AI for Excel](https://betteranalyst.com/excel-ai) — it reads your entire spreadsheet, answers questions in plain English, and builds charts and analysis in the same chat. ## Parameters **`angle`**:\ The angle in degrees that you want to convert to radians. This can be a number, a cell reference, or a formula that returns a numeric value representing the angle in degrees. ## What is a RADIANS Formula in Excel? The *RADIANS* function in Excel is a simple yet essential tool that converts degrees into radians. Since many mathematical functions in Excel, such as trigonometric functions, use radians as their input, the RADIANS function is crucial for accurate calculations when working with angles. In simpler terms, the RADIANS function helps you convert angle measurements from degrees to radians, making it easier to perform mathematical operations that require radians. ## A Practical Example Imagine you are working on a physics project where you need to calculate the sine of an angle. You have the following data in an Excel spreadsheet: ### Angle Data Table: | Angle (Degrees) | | - | | 0 | | 30 | | 45 | | 60 | | 90 | You want to find the sine values for these angles, but first, you need to convert them from degrees to radians. ## RADIANS Formula To convert the angle of 30 degrees to radians, you would use the RADIANS formula as follows: ```excel =RADIANS(A2) ``` ### Breakdown of the Formula: - **A2**: This is the cell that contains the angle in degrees that you want to convert to radians. ## Result of the Formula When you apply the formula to the angle of 30 degrees, it converts it to radians. The output would be: | Angle (Radians) | | - | | 0 | | 0.5235987756 | | 0.7853981634 | | 1.0471975512 | | 1.5707963268 | Here, the angle of 30 degrees is converted to approximately 0.524 radians. ## Why Use RADIANS? The RADIANS function is particularly useful when you need to perform trigonometric calculations in Excel, as many of these functions, such as SIN, COS, and TAN, require angles to be in radians. Using the RADIANS function ensures that your calculations are accurate and consistent. ## Key Takeaways: - **RADIANS**: Converts degrees into radians for mathematical calculations. - **Essential for Trigonometry**: Necessary for using trigonometric functions that require radian input. - **Common Use Cases**: Ideal for physics, engineering, and any scenario involving angle measurements. Understanding how to use the RADIANS function can significantly enhance your mathematical calculations in Excel, enabling you to perform accurate trigonometric operations with ease. Happy calculating! ## Example use case You have a table where Column A contains angles in degrees, and you need to convert these angles to radians for a trigonometric calculation in Column B. You can use the RADIANS function to convert each angle from degrees to radians. This simplifies the process of performing calculations such as sine or cosine, ensuring accuracy in your results without the need for manual conversion or complex formulas. **Beyond the RADIANS function:** Better Analyst is a full [Excel AI](https://betteranalyst.com/excel-ai) that goes well past individual formulas. Upload any spreadsheet and ask questions in plain English — you'll get formulas, data analysis, and charts back in seconds. It's a free [AI Excel assistant](https://betteranalyst.com/excel-ai) that works with any .xlsx, .xls, or .csv file — no plugins, no Microsoft 365 required. Don't have a spreadsheet yet? Use our free [AI spreadsheet generator](https://betteranalyst.com/ai-excel-spreadsheet-generator) to turn a text prompt into a downloadable Excel file — a full [AI Excel sheet maker](https://betteranalyst.com/ai-excel-spreadsheet-generator) that builds headers, columns, and formulas from your description. ## Need more help with Excel formulas? Create a free account for formula help, explanations, and spreadsheet analysis. Usage limits depend on your plan. [Create Free Account](https://betteranalyst.com/signup)[Try Formula Generator](https://betteranalyst.com/excel-ai) ## Excel how-to guides - [How To Strikethrough In Excel](https://betteranalyst.com/excel/how-to-strikethrough-in-excel) - [How To Subtract In Excel](https://betteranalyst.com/excel/how-to-subtract-in-excel) - [How To Transpose Data In Excel](https://betteranalyst.com/excel/how-to-transpose-data-in-excel) - [How To Unhide Columns In Excel](https://betteranalyst.com/excel/how-to-unhide-all-columns-in-excel) - [How To Unhide Rows In Excel](https://betteranalyst.com/excel/how-to-unhide-all-rows-in-excel) - [How To Unprotect Excel](https://betteranalyst.com/excel/how-to-unprotect-excel) - [How To Wrap Text In Excel](https://betteranalyst.com/excel/how-to-wrap-text-in-excel) - [Excel Conditional Formatting](https://betteranalyst.com/excel/excel-conditional-formatting) ## Explore all Excel formulas Browse our complete library of Excel formula guides Compare your options ## Decide with evidence, not a sales pitch. Open a neutral research prompt in the AI tool you already use. Compare capabilities, limitations, and fit before you choose. 1. [01ChatGPTOpen a balanced comparison prompt in ChatGPT.](https://chatgpt.com/?prompt=Compare%20Better%20Analyst%20with%20using%20a%20general-purpose%20AI%20assistant%20for%20data%20analysis.%20Evaluate%20spreadsheet%20and%20document%20analysis%2C%20dashboards%2C%20repeatable%20reports%2C%20code%20transparency%2C%20data%20connections%2C%20pricing%2C%20and%20limitations.%20Use%20current%20public%20sources%2C%20distinguish%20verified%20facts%20from%20assumptions%2C%20and%20explain%20which%20types%20of%20users%20each%20option%20fits%20best.) 2. [02ClaudeOpen the same research prompt in Claude.](https://claude.ai/new?q=Compare%20Better%20Analyst%20with%20using%20a%20general-purpose%20AI%20assistant%20for%20data%20analysis.%20Evaluate%20spreadsheet%20and%20document%20analysis%2C%20dashboards%2C%20repeatable%20reports%2C%20code%20transparency%2C%20data%20connections%2C%20pricing%2C%20and%20limitations.%20Use%20current%20public%20sources%2C%20distinguish%20verified%20facts%20from%20assumptions%2C%20and%20explain%20which%20types%20of%20users%20each%20option%20fits%20best.) 3. [03PerplexityResearch the comparison with linked web sources.](https://www.perplexity.ai/search?q=Compare%20Better%20Analyst%20with%20using%20a%20general-purpose%20AI%20assistant%20for%20data%20analysis.%20Evaluate%20spreadsheet%20and%20document%20analysis%2C%20dashboards%2C%20repeatable%20reports%2C%20code%20transparency%2C%20data%20connections%2C%20pricing%2C%20and%20limitations.%20Use%20current%20public%20sources%2C%20distinguish%20verified%20facts%20from%20assumptions%2C%20and%20explain%20which%20types%20of%20users%20each%20option%20fits%20best.) AI answers can be incomplete. Check source links, current pricing, and product documentation before deciding.