How to Convert Diameter to Circumference: A Simple Formula Guide

Learn to easily convert diameter to circumference using the formula C = π * D with clear examples.

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To convert diameter to circumference, use the formula: Circumference = π * Diameter. Simply multiply the diameter by π (approximately 3.14159). For example, if the diameter is 5 units, the circumference would be 5 * 3.14159 = 15.71 units.

FAQs & Answers

  1. What is the formula for circumference? The formula for circumference is C = π * Diameter.
  2. How do you measure the diameter of a circle? The diameter is the distance across the circle through its center, usually measured with a ruler or caliper.
  3. Why is π important in these calculations? π (pi) is a mathematical constant that represents the ratio of a circle's circumference to its diameter, essential for circular measurements.