Radians to Degrees Calculator

Convert radians to degrees from decimal values or π expressions such as pi/4, with cancellation and conversion steps.

Convert radians and pi expressions to degrees

Enter a decimal radian value or a pi expression such as pi/4 or 2*pi.

Pi expressions are reduced exactly before the degree result is displayed.

Features

  • Decimal radian input.
  • Expressions containing pi, including pi/6 and 2*pi.
  • Exact degree results for rational multiples of π.
  • Visible π cancellation and conversion steps.

Example expressions

  • pi/6
  • pi/4
  • pi/3
  • pi/2
  • pi
  • 2*pi

Related formulas

  • Degrees = radians × 180 / π.
  • π/2 radians = 90°.
  • 2π radians = 360°.

How to use this calculator

  1. Enter radians as a decimal or use pi in a simple numeric expression.
  2. Choose Calculate to multiply by 180/π.
  3. Read the degree result and the cancellation steps.

Common input mistakes

  • Use pi, not the letter p, in exact radian expressions.
  • Do not use π/180 for this direction; radians to degrees uses 180/π.
  • A plain decimal radian input normally gives an approximate degree result.

FAQ

How do I convert radians to degrees?

Multiply the radian value by 180/π.

What is pi over 4 in degrees?

π/4 radians equals 45 degrees.

Can I enter 0.785398?

Yes. A decimal radian value is converted to an approximate degree value.

Can I enter 2*pi?

Yes. The calculator recognizes it as a full turn and returns 360 degrees.

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