How do you measure a diameter accurately?

Answer by  ijlalnoor (2656)

in order to measure the diameter of a product, you can use a micrometer, or a vernier caliper. These are the most common tools used for this specific job. You can make sure that your data is accurate by taking the average of the readings and you will get the best answer. You can buy these tools online easily.

Answer by  JennW (342)

Measure the circle across the widest poin by fixing one end of the ruler on one side of the circle, and then rotating the other end back and forth until you get the maximum size. The maximum size is the right diameter. You can measure the circle from different starting points to check your answer.