Welding rods come in different sizes, and it can be difficult to know which size to buy. Here are a few tips on how to measure the length of welding rods:

Use a caliper: This is the easiest way to measure the size of welding rods. Just use a caliper to measure the diameter of the welding rod.

Check the weight: Welding rods come in different weights, and it can be difficult to know which weight to buy. To determine the importance of a welding rod.

Compare prices: Sometimes it can be difficult to compare prices between different welding rod brands. One way to do this is to compare prices. This will show you how much each welding rod costs per inch.