How to Calculate Diameter from Circumference: A Simple Guide

Learn how to quickly find the diameter from the circumference using a simple formula. Watch now!

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To find the diameter when given the circumference, use the formula: Diameter = Circumference ÷ π (pi). For example, if the circumference is 31.4 units, the diameter would be 31.4 ÷ 3.14159 ≈ 10 units. This straightforward calculation helps you quickly determine the diameter from the circumference.

FAQs & Answers

  1. What is the formula for diameter from circumference? The formula is Diameter = Circumference ÷ π (pi).
  2. Why is π (pi) important in calculating diameter? π (pi) is a constant that relates the circumference of a circle to its diameter, making it essential for calculations involving circles.
  3. Can I calculate diameter using radius? Yes! Diameter is twice the radius, so you can also find it using the formula Diameter = 2 × Radius.