Angle Units Converter - Convert Degrees, Radians & Gradians Accurately with Degree (°) to Radian (rad) Conversion

Convert Degree to Radian using the exact conversion factor. This page provides the formula, reference values, and practical context for engineering, technical calculations, and professional measurement use.

Conversion Formula

Degree (°) = Radian (rad) × 0.017453

To convert Degree (°) to Radian (rad), multiply the value by 0.017453. The conversion factor is based on standardized unit definitions and is suitable for engineering analysis, system design, and professional measurement workflows.

Example

Convert 1 deg to rad.

• Step 1: Write the formula: rad = deg × 0.017453
• Step 2: Substitute: 1 × 0.017453
• Step 3: Result: 0.017453 rad

So, 1 deg = 0.017453 rad.

About the Units

One Degree (°) equals 0.017453 Radian (rad)

One Radian (rad) equals 0.017453 Degree (°)

Where This Conversion Is Used

• Convert Degree to Radian to ensure consistent values across calculations, reports, and measurement systems.
• Allows angular values to be compared across degree- and radian-based inputs, commonly used in mechanical design and motion analysis.
• Useful for standardizing angular measurements across engineering tools and simulations.

Frequently Asked Questions

Conclusion

By applying the conversion factor shown above, you can convert Degree (°) to Radian (rad) for alignment, navigation, surveying, and mechanical design tasks.