Degrees to Radians Converter

Convert degrees to radians instantly. Free online degrees to radians calculator with formula and examples.

💡 Enter degrees → get radians. Example: "180" → "π (3.14159...)".

Degrees Input

Radians Output

How to Convert Degrees to Radians

Step-by-step guide with examples

Input

Convert

Result

radians = degrees × (π / 180) Example: 180° × (π/180) = π radians Example: 90° × (π/180) = π/2 radians Example: 45° × (π/180) = π/4 radians

• 0° = 0 rad • 30° = π/6 rad • 45° = π/4 rad • 60° = π/3 rad • 90° = π/2 rad • 180° = π rad • 270° = 3π/2 rad • 360° = 2π rad

3 common questions answered

3 Questions3 AnswersClick to expand

Q1How to convert degrees to radians?

Multiply degrees by π/180. Example: 90° × π/180 = π/2 ≈ 1.5708 radians.

Q2What is 180 degrees in radians?

180° = π radians ≈ 3.14159.

Q3Why use radians instead of degrees?

Radians simplify many mathematical formulas, especially in calculus, physics, and engineering. Most programming languages use radians.

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