Tag: Gauge explained

The gauge number of a hypodermic needle has an inverse relationship with its diameter: the higher the number, the thinner the needle. This means that the answer to 'Which needle is thinner, 23 or 25?' is the 25-gauge needle. Understanding this crucial rule is essential for medical professionals and patients, as needle gauge directly impacts comfort, flow rate, and the type of injection being administered.

In the medical world, a needle's gauge has an inverse relationship with its size, meaning a higher number corresponds to a thinner needle. This simple, authoritative fact directly answers the question: which needle is bigger, 20g or 25G?