Best Size Curling Iron

Sometimes its hard to know what size curling iron is best for your needs. This curling iron size guide answers all your questions. Whether you're aiming for curls or beach waves, have thick or fine hair, or sport short to long hair, find the perfect barrel size in my curling iron size guide.

Learn how to choose the best size curling iron for your hair length and desired style. Find out how a curling iron creates curl and get tips on how to adjust the size for different effects. Size matters when it comes to curling iron barrels.

While thin sizes will create tight curls, wider sizes will create bigger, looser waves. Here, discover what each curling iron size will do and learn how to pick the best one for your hair type and desired hairstyle. The best curling irons that won't damage hair when making beach waves and long-lasting curls, whether your hair is short, long, damaged, fine, or thick.

Curling iron sizes range from 3/8 of an inch for tight curls, 1 to 1 1/2 inches for standard curls, and 2 inches for loose waves.