Measure your shoulders, bust/chest, waist, and hips
Compare your shoulder, waist, and hip proportions
Identify whether your waist is clearly smaller than your bust/chest and hips
Check whether your shoulders are wider, equal to, or narrower than your hips
Determine whether your body is more straight, curved, top-heavy, or bottom-heavy
Use a mirror to compare your overall silhouette
Take front and side photos in fitted clothing
Compare your measurements to common body type categories
Look for patterns in where you gain weight first
Recheck your measurements regularly, since body shape can change