Flange Size Calculator

Flange Size Calculator

Calculate optimal breast pump flange size for comfortable pumping

Measure the widest part of your nipple (not including areola)

Flange Size Results

Recommended Flange Size

0
mm
Optimal flange diameter

Fit Assessment

Available Flange Sizes

Flange Sizing Information

Proper Fit: Nipple should move freely without rubbing sides, minimal areola pulled in

Too Small: Nipple rubs sides, pain, decreased output

Too Large: Too much areola pulled in, decreased efficiency

Note: Flange size may change during breastfeeding journey. Reassess if experiencing discomfort or decreased output.

Scroll to Top