Size Chart Design Tips for Better Conversions
Create size charts that are easy to read, visually appealing, and boost customer confidence.
Why Design Matters
A confusing or hard-to-read size chart can cause customers to:
- Abandon their cart
- Order the wrong size anyway
- Contact customer support (costing you time)
- Leave negative reviews about sizing
Essential Design Elements
1. Clear Typography
- Font size: Minimum 14px, 16px+ recommended
- Font family: Sans-serif for readability
- Bold headers: Make column/row headers stand out
2. High Contrast Colors
✅ Good
| Size | Chest |
|---|---|
| S | 38" |
| M | 40" |
Dark header, alternating rows
❌ Bad
| Size | Chest |
|---|---|
| S | 38" |
| M | 40" |
Low contrast, hard to read
3. Logical Organization
- Sizes as columns (small to large, left to right)
- Measurements as rows
- Most important measurements at top
- Units clearly labeled (cm/inches)
4. Visual Measurement Guide
Include a diagram showing where measurements are taken:
Mobile Optimization
Over 60% of e-commerce traffic is mobile. Your size chart must work on small screens:
📱 Mobile Design Tips
- • Use horizontal scroll for wide tables
- • Make text at least 14px on mobile
- • Use sticky headers so they stay visible
- • Consider vertical layout (size per row)
- • Test on actual mobile devices
- • Make "Size Chart" button easy to tap
Placement Best Practices
Where to Put Your Size Chart
- Near "Add to Cart" button - Most important location
- In a popup/modal - Keeps shoppers on product page
- Product image gallery - As one of the images
- Product description tab - Accessible but not intrusive
Call-to-Action
Make the size chart link obvious:
- Use icons (📏 ruler, sizing icon)
- "Need help with sizing? View Size Chart"
- Contrasting color or underline
Image vs HTML Table
| Format | Pros | Cons |
|---|---|---|
| HTML Table | SEO-friendly, accessible, easy to update | Limited design options |
| Image | Full design control, includes diagrams | Not accessible, harder to update |
Best approach: Use HTML table for measurements + image for measurement diagram.
FAQ
What makes a good size chart design?
A good size chart is easy to read with clear typography, high contrast colors, and logical organization. It should be mobile-friendly, include measurement diagrams, and be placed prominently on product pages.
Should size charts be images or HTML tables?
Both work, but HTML tables are better for SEO and accessibility. Images work better for complex charts with diagrams. Ideally, use an HTML table for measurements and include a measurement diagram image.
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