Degree to Radian Converter

Convert degrees to radians with this simple calculator. This tool is useful for mathematical calculations, trigonometry problems, and engineering applications that require angle conversions.

Input Parameters

Calculation Results

Calculation Results

Radians:

Where:
π (pi) ≈ 3.14159
180 degrees = π radians

Degree to Radian Converter Calculator Usage Guide

Learn how to use the Degree to Radian Converter calculator and its working principles

How to Use the Calculator

  1. Enter the angle in degrees in the input field
  2. Click the "Calculate" button to convert to radians
  3. The result will be displayed in the results area
  4. Click "Reset" to clear all inputs and results

Calculation Formula

The calculator uses the following formula to convert degrees to radians:

radians = degrees × (π / 180)

For example, to convert 90 degrees to radians:

radians = 90 × (π / 180) = π/2 ≈ 1.5708

Why Convert Degrees to Radians?

While degrees are commonly used in everyday applications, radians are the standard unit in calculus, physics, and engineering. Most mathematical functions in programming languages and calculators use radians as their input.

Practical Applications

  • Trigonometry problems involving sine, cosine, and tangent functions
  • Calculating arc lengths and areas of sectors in circles
  • Engineering and physics calculations involving rotational motion
  • Computer graphics and animation