Evergreen Guide

How Often Should You Recheck Your Bra Size?

By BraSizeChecker Editorial Team

Most people wear the same bra size for years without realizing their body measurements have shifted. Here is the recommended schedule for rechecking your size.

Recommended Schedule: Every 6 to 12 Months

Lingerie experts recommend taking your measurements every 6 to 12 months, or whenever you experience significant lifestyle or body changes.

Key Triggers to Re-Measure Immediately

1. Weight Fluctuations (± 5-10 lbs)

Ribcage underbust fat and breast tissue are often among the first places to reflect weight shifts.

2. Post-Pregnancy or Nursing Shifts

Ribcage expansion during pregnancy and glandular density changes post-nursing alter band and cup requirements.

3. Fitness & Muscle Changes

Developing latissimus dorsi or pectoral muscles from strength training increases underbust width while altering cup projection.

Bra Lifespan & Elastic Degradation

Even if your body doesn't change, bras degrade over time. A bra worn regularly lasts approximately 6 to 9 months before the band elastic loses recoil and requires replacement.