Returns & CX Apr 12, 2027 5 min read
How to Survey Customers About Size Accuracy
Send periodic survey (quarterly or after major chart updates): 'Was your last purchase size accurate?'. Aggregate by product, refine charts based on data. Make customers feel heard.
The Chart
| Question | What It Reveals |
|---|---|
| Was the chart accurate? | Chart calibration issues |
| Did the recommended size fit? | AI fit accuracy |
| What size did you actually wear? | True consumer fit |
| What's your usual size in [reference brand]? | Cross-brand calibration |
| Open: 'Anything we should know?' | Qualitative feedback |
FAQs
Email or in-app survey?
Email higher response rate (~10-20%). In-app survey instant context (right after delivery). Both work. Tools: Typeform, Tally, Klaviyo flow.
Incentivize?
$5-10 credit boosts response 3-5x. Worth it for actionable data. Sample size 100+ for reliable patterns.
Need this on your store?
Tailor Size Guide ships pre-built size charts for Shopify.