Question: what is a the standard ring size?
Answer: Common ring sizes for women are 6 (16.5 mm), 6.5 (16.9 mm), and 7 (17.3 mm). For men, the most common sizes are 10 (19.8 mm), 10.5 (20.2 mm), and 11 (20.6 mm). ... If you do, your measured ring finger size may be larger than your finger actually is, and any rings you purchase may be too big.