Radian

Radian is a compact utility for angle conversion and geometry calculations. Radian helps convert between degrees and radians, compute arc lengths and sector areas, and supports quick unit conversions for students and engineers.

Key features

• Angle conversion: Convert degrees and radians with instant results and selectable precision.
• Geometry tools: Calculate arc length, sector area, and common circle properties.
• Calculator functions: Access sine, cosine, tangent, and inverse functions for quick problem solving.
• History and favorites: Save recent calculations and reuse commonly needed conversions.
• Simple interface: Clean layout for fast input and clear, readable output.

How to use

Open Radian, enter a value, choose the input unit, and view the converted result. Use the built-in tools for geometry tasks and save items to favorites for later reference.

Compatibility and privacy

Radian performs basic conversions offline and stores calculation history locally. No personal data is collected by default, and settings let you clear history anytime.