Shopify how-to June 23, 2026 4 min read
How to Add Size Charts to Shopify POS
In-store size charts + custom measurement orders from your iPad.
POS UI Extensions
Shopify POS supports UI extensions that add custom screens. Tailor Size Guide's POS extension shows: (1) size chart for the scanned product, (2) measurement form to take in-person measurements, (3) attach to current cart as line-item properties.
In-Store Use Case
Customer wants a custom shirt. Staff scans the product. POS shows size chart + measurement form. Staff measures customer + enters values. Adds to cart with measurements attached. Customer pays. Order routes to tailoring team. 1-3 weeks to ship.
FAQs
POS size charts?
Yes — UI extension.
Custom measurement on POS?
Yes — same workflow as web.
Size charts in-store, on POS
Tailor Size Guide bridges web + retail.