The measurement that you need is the distance from the piercing hole to the edge of your ear. Take this measurement in a straight line, because if you measure at a diagonal angle you will end up with a hoop that fits larger than you anticipated.
Then, which is smaller 14g or 16g?
The 14g is a larger barbell than the 16g by a fraction of an inch (0.013). Most piercers will have a preference between 14 and 16g for industrial piercings and while having a 14g means you can swap out for 16g jewelry you cannot do it the other way around without pain.
Moreover, can I put a 14g in a 16g piercing?
14g jewelry is larger than 16g jewelry, but you might be able to fit it. Yes, you can stretch you piercing to a 14g just make sure that the jewelry that you’re buying is suitable for a freshly stretching piercing. … It would just irritate the piercing even if it is fully healed.