Mageplaza Size Chart
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Q1: Can I add different size charts to different products?

Yes, you can easily manage which products display specific size charts using the Create chart/ Edit chart feature. We offer three methods to assign size charts to products in the Step 2: Settings tab:

Display position > By pages > Apply to all products

  • Apply your size chart to all available products in your storefront

Display position > By pages > Selected pages

  • Add specific products manually
  • Click “Choose products” to open the product selection popup, then choose individual items

Display position > By pages > Group of products by conditions

  • Apply size charts based on conditions like product title, product tag, etc.
  • Choose between:
    • Apply if products match all conditions
    • Apply if products match any conditions

Additional display options

  • Show on collection pages, homepage
  • Display or exclude display for selected countries only

Q2: Why isn’t my size chart showing on my storefront?

Solution 1:

  • Check Appearance > Button type
  • If you’ve selected Inline link, verify your App block/ CSS Selector settings
  • Compare with the HTML Element by pressing F12 to inspect the page elements
  • If you can’t find the correct HTML element, try selecting a different position

Note: Always publish the App and re-select the Position after changing your theme.

Solution 2:

  • Check Create chart/ Edit chart > Step 2: Settings > Advanced Settings
  • If you’ve enabled CSS Selector for individual size charts, verify you’ve chosen the correct position for each chart

Choose the block position on your page:

  • If not selected yet: Click “Add app block” to open a new tab and select the chart button’s position
  • If already selected: The button changes to “Change position” - click it to view and modify the existing position

Method 2: Add with CSS selector

  • Use when your theme doesn’t support App Blocks or when position customization per page isn’t available
  • Detailed settings will appear immediately upon selecting this method

For Inline link & floating button combination:

  • When selecting “Add with app block,” settings won’t appear immediately
  • You’ll see the message: “Save changes to display the Size Chart app block on your theme”
  • Click “Save” to apply settings and view the configuration interface

Note: For any button style that includes “Add with app block,” remember to click Save to update the interface.

Q4: Can I customize the appearance of my size chart?

Yes! The app offers extensive customization options:

For Free plan users:

  • Basic customization for text and table content
  • Floating button customization

For Paid plan users: Advanced customization options, including:

  • Layout options (Media + Text, Media + Table, Table + Text) (coming soon)
  • Customizable tabs with multiple styling options
  • Advanced button styling (background colors, borders, text formatting)
  • Chart popup appearance (colors, sizes, positioning)
  • Table appearance (colors, highlighting, hover effects)
  • And much more!

Use the Advanced Settings feature to access all customization options.

Q5: Does the app support multiple measurement units?

Yes, the app supports automatic unit conversion between centimeters and inches. Customers can toggle between units when viewing your size chart.

Q6: Can I display my size chart in multiple languages?

Yes, you can display your size chart in multiple languages using the Auto-translate size charts feature in Setting section.

Once enabled, the Auto-Translate feature will:

  • Detect your customer’s selected language preference on your store (when customers manually change the language using your store’s language selector)
  • Automatically translate all text elements in your size charts, including:
    • Header titles
    • Measurement descriptions (Chest, Waist, Length, etc.)
    • Any additional instructions or guidance text

The size chart content will be translated into the language your customers are using when they visit your store.

Q7: How to show the converted unit on the storefront?

To display converted units on your storefront:

  • Go to the Manage Charts > Step 1: Content
  • Turn on the “Show convert unit on storefront” toggle.
  • Select your Base unit (e.g., Cm) — the Converted unit (e.g., Inch) will be shown automatically.
  • If you want to exclude specific rows or columns from being converted, simply add an asterisk (*) after the title of that row or column.

Need advanced setup with multiple units? Contact us for free customization.

Q8: How to show the size chart as a dropdown on storefront?

  • From your Shopify Admin, go to Size Chart > Appearance
  • In Choose a way to display size chart field, choose Dropdown section.
  • Click the Add app block button — this will open the Theme Editor in a new tab.
  • In the Theme Editor, locate the Size Chart app block and drag it up or down to choose the exact position where the dropdown should appear on your product page.

Q9: How to create charts with 2 columns?

  • Click “Turn into 2 columns” on any element.
  • Drag and drop blocks into each column, or move them back out as needed.
  • Click “Save” to apply the changes.

Q10: What is return rate and how to set up return reason tracking?

Understanding Return Rate Calculation

What is Return Rate?

Return Rate measures the percentage of orders that get returned due to size-related issues. This metric helps you understand how effectively your Size Chart is preventing sizing problems.

Formula:

Return Rate = (Total return orders due to wrong size from SC users / Total orders from SC users) × 100%

Where:

  • SC users = Customers who viewed/clicked your Size Chart before purchasing
  • Return orders due to wrong size = Orders returned with size-related reasons (detected by keywords)
  • Total orders from SC users = All orders placed by customers who used Size Chart

How We Calculate Monthly Return Rate

When calculating monthly return rates, we track returns back to the original order month, not the return month

Example:

  • The customer places an order in May
  • The customer returns the item in June due to wrong size
  • This return will count toward May’s return rate (not June’s)

This approach gives us accurate insights into how well your Size Chart performed for customers in each specific month.

Key Point: Return rate for previous months may change as new returns are processed

Example:

  • May 31st: May return rate shows 3.2% (16 returns out of 500 SC orders)
  • June 15th: Another SC customer returns a May order due to wrong size
  • Result: May return rate updates to 3.4% (17 returns out of 500 SC orders)

Why Accurate Return Tracking Matters

To measure the effectiveness of your Size Chart, our app needs to identify which returns are related to sizing issues. This data helps you:

  • Identify Problem Products: Spot which items need better size information
  • Optimize Size Charts: Improve charts based on actual return data

Our Size Chart Analytics automatically identifies size-related returns by scanning the return/refund reason field that you enter for specific keywords.

Keyword Detection Method

The app scans return reasons for these size-related keywords:

  • Size

How to Set Up Return Reason Tracking

⚠️ Important: Accurate return reason entry directly impacts your Size Chart Analytics results. Please ensure your team follows these guidelines consistently to get reliable data insights.

Configure Return/Refund Reasons in Shopify
A. Return Process

When processing returns through Orders > [Order Number] > Return:

Navigate to: Orders > Select order > Return > Select return items > Reason for return, please pick the size-related reasons from dropdown selection as: Size was too small or Size was too large or explain the specific one if selecting “Other”

Important note: If you select ‘Other’, please ensure your reason includes the word ‘size’ to indicate a size-related issue.

B. Refund process

Navigate to: Orders > Select order > Refund > Reason for refund

Please make sure to include the word “size” in your reason.

While the app only detects keywords from your return reason entries, you should pay attention to these sources when determining if a return is size-related:

Customer Comments & Messages

Look for size-related language in customer communications:

Size-Related Phrases to Watch For:

  • “runs bigger than expected”
  • “size chart was inaccurate”
  • “ordered medium but need large”
  • “doesn’t fit as shown”
  • “sizing is off”, etc, …

Action: When you see these comments, enter a specific size-related return reason.

Reorder Patterns

Monitor customers who:

  • Return an item
  • Immediately reorder the same product in a different size

This pattern strongly indicates a size-related return

Action: Even if the original return reason was vague, like “not satisfied,” update it to “Size - customer reordered in different size”

Customer Service Conversations

Pay attention to support tickets about:

  • Size exchanges
  • Fit concerns
  • Size chart questions
  • Sizing complaints

Action: When processing returns from these conversations, make sure to enter specific size-related return reasons so the app can properly categorize them