Degrees to Radians Converter
Convert degrees to radians instantly. Essential for trigonometry, programming, and math calculations.
Formula: degrees × (π / 180) = rad
Common Conversions
Why Use Our Degrees to Radians Converter?
Instant Results
Type any degrees value and see the radians result immediately as you type.
Highly Accurate
Uses the exact conversion factor. degrees × (π / 180) = rad
Swap Direction
Easily convert Radians back to Degrees with the swap button. No need to visit a different page.
One-Click Copy
Copy the converted result to your clipboard instantly with the Copy button.
Common Values Table
See a quick reference table of 9 common degrees values and their radians equivalents.
100% Private
All conversions happen in your browser. Nothing is sent to a server or stored anywhere.
Frequently Asked Questions
How many radians in a degree?
1 ° = see the formula above rad. Use the formula: degrees × (π / 180) = rad.
How to convert degrees to radians?
To convert degrees to radians, use the formula: degrees × (π / 180) = rad. For example, 180 ° = 3.14159 rad.
Is this degrees to radians converter accurate?
Yes. The converter uses the internationally accepted exact conversion factor. The result is accurate to at least 6 significant figures.
Can I convert radians back to degrees?
Yes. Click the "Swap direction" button to reverse the conversion. The current result becomes the new input automatically.
Does this work on mobile?
Yes. The converter works on all devices — phones, tablets, and desktops. All calculations happen in your browser.
Is my data stored anywhere?
No. All conversions run entirely in your browser. Nothing is uploaded, logged, or stored.