Frequently Asked Questions — Degrees to Radians
Question: How many radians is 1 degree?
Answer: 1 degree = π/180 ≈ 0.0174532925 radians. Multiply degrees by π/180 to convert to radians.
Question: How do I convert degrees to radians?
Answer: Multiply the degrees by π/180 (≈ 0.01745329). For example, 90° × π/180 = π/2 ≈ 1.5708 radians.
Question: What is 90 degrees in radians?
Answer: 90° × π/180 = π/2 ≈ 1.5708 radians. A right angle equals π/2 radians.
Question: What is 180 degrees in radians?
Answer: 180° × π/180 = π ≈ 3.14159 radians. A straight angle (half circle) equals exactly π radians.
Question: What is 360 degrees in radians?
Answer: 360° × π/180 = 2π ≈ 6.28319 radians. A full circle equals exactly 2π radians.