The average condom size is 7.5 inches in length, 2 inches width at the shaft and a bit more than 2 inches wide at the head. It even explains the significances of measuring flaccid length, stretched length and erect length. Condom Size Chart How To Measure Condom Size - Ripnroll If it’s under 2 inches, go for a snug fit condom. How does condom sizes work . To determine your condom size, measure the girth of your penis by wrapping a measuring tape around the thickest part. Condoms work by keeping semen (the fluid that contains sperm) from entering the vagina. [1] [7] male condoms are typically made from latex and, less commonly, from polyurethane , polyisoprene , or lamb intestine. Condom size is essential for ensuring the condom is effective in preventing sexually transmitted infections (stis) and pregnancy. If you’re not sure how to measure your penis read this post and to understand how condom width is measured read this one. Then, hold the condom at the tip of your erect...