For example, if you’re shopping for new slacks, you’d want to grab a pair of slacks that fit you well. If you’re shopping for jeans, you’d want to use a pair of jeans.
Be sure to smooth out any wrinkles or folds that appear in the lower pants leg, which you’re about to measure.
Be sure to measure all the way down the inseam, which is the seam that runs down the inside of your leg when you’re standing. [6] X Expert Source Andrea BeaulieuProfessional Tailor & Fashion Designer Expert Interview. 1 May 2020.
If you plan on wearing your new pants with high heels, add . 5–1 inch (1. 3–2. 5 cm) to your inseam measurement so they’re long enough. If you’re buying pants that are prone to shrinking, round your inseam measurement up to the nearest . 5 inches (1. 3 cm).
Also, if the pants are made with a fabric that shrinks a lot, round your inseam measurement up to the nearest . 5 inches (1. 3 cm).
Since you’re taking your own measurements, clothes can really get in the way because you’ll have to work around them and may not be able to get as close to your body.
Ideally, pick a floor length mirror so you get the best view of your body. If you don’t have a floor length mirror, use the biggest mirror you have and place it opposite your lower body.
If you’ve already unrolled the tape, you can ball it up in your hand. However, make sure you stick out the end of the tape where it starts with “1” so you can easily lower it down your leg.
Be super careful while you’re doing this. If you accidentally move your fingers down the measuring tape in either direction, your inseam measurement could be off.
Add . 5 to 1 inch (1. 3 to 2. 5 cm) to your inseam if you plan to wear heels or you’re buying pants that usually shrink. For instance, pants made of cotton, linen, or wool may shrink. Since jeans are often made from cotton, expect them to shrink a bit in the wash.
