With your arms relaxed at your sides, measure around the fullest part of your chest.
How To Measure Your Underbust Measure around your ribcage, directly underneath the bust.
How To Measure Your Waist Measure around the narrowest part of your natural waist, generally around the belly button. To ensure a comfortable fit, keep one finger between the measuring tape and your body.
How To Measure Your Hips With your feet approximately 6" apart, measure around the fullest part of your hips. This area usually corresponds to the top of your legs.
How To Measure Your Inseam Measure from the top of your inner thigh down to the bottom of your ankle.