Aug 6, 2025

Aug 6, 2025

Product bundling

9 Essential Product Bundle Metrics You Should Track in Shopify

Andrey Gadashevich
Andrey Gadashevich

CEO | Conversion optimization expert

Essential Product Bundle Metrics You Should Track in Shopify
Essential Product Bundle Metrics You Should Track in Shopify
Essential Product Bundle Metrics You Should Track in Shopify

For Shopify merchants, product bundles are a smart way to increase sales and keep customers coming back.

But if you’re not tracking how your bundles perform, you could miss important signs. Are your bundles working well? Should you change a product or adjust the price?

Tracking the right bundle metrics can help you make better decisions and grow your Shopify store revenue.

1. Conversion rate

The conversion rate of product bundles is the percentage of visitors who buy a bundle after viewing it. It shows how well your bundle offers convert shoppers into buyers.

Shopify data shows that top-performing bundles achieve 5-8% conversion rates in competitive niches.

To calculate the conversion rate for product bundles, divide the number of customers who purchased a bundle by the number of people who viewed it, then multiply by 100: 

Conversion Rate (%) = (Number of bundle purchases ÷ Number of bundle views) × 100

Example:

If 100 people viewed a bundle and 12 of them bought it:

Conversion Rate = (12 ÷ 100) × 100 = 12%

2. Average Order Value (AOV)

Average order value is the average amount a customer spends in a single order. Higher AOV often indicates successful upselling through bundles.

You calculate AOV by dividing total revenue by the number of orders. 

If your store made $1,000 from 100 orders Your Average Order Value is $10:

AOV=1000 ÷ 100

3. Bundle engagement metrics

Engagement metrics show how customers interact with bundles, like views, clicks, and add-to-cart actions. 

To track this data, use your bundle app’s built-in analytics and set up tools like Google Analytics and Google Tag Manager to get deeper insights into customer behavior.

You can also use heatmap tools like Hotjar to reveal whether customers notice your mix-and-match offers.

Here are common metrics to track (individually):

  • Views: Number of times a bundle is seen

  • Clicks: Number of times the “Add to Cart” button is clicked

  • Add-to-cart rate: (Add-to-cart actions ÷ Bundle views) × 100

  • Interaction rate: (Clicks or hovers on bundle widget ÷ Page views) × 100

4. Customer Lifetime Value (CLTV)

CLTV is The total amount of money a customer is expected to spend in your store over their entire relationship with your brand. 

Bundles that attract repeat buyers (think subscription boxes) often increase CLTV.

To calculate CLTV, you can use the following formula: Multiply the average order value by how often a customer buys from you each year, then multiply that by the average number of years they remain a customer.

Average Order Value × Purchase Frequency × Customer Lifespan

Example:

If AOV is $50, a customer orders 3 times a year, and stays for 2 years:

$50 × 3 × 2 = $300 CLTV

💡 Tip: When creating a product bundle, try using MBC Bundles’ AI feature: it suggests complementary products to help you build smarter, more effective bundles. Read more about how to create a product bundle with AI suggestions.

5. Bundle effectiveness score

A bundle effectiveness score shows how well a bundle drives sales compared to individual products. 

This custom metric combines conversion rate, AOV lift, and profit margin. 

Multiply the bundle's conversion rate by 2, add the AOV lift multiplied by 1.5, then add the profit margin percentage multiplied by 3.

Calculate it as:

(Conversion Rate × 2) + (AOV Lift × 1.5) + (Margin % × 3).
Top-tier bundles score 85+.

Note: The weights, 2 for conversion rate, 1.5 for AOV lift, and 3 for profit margin aren’t official industry standards. They’re custom values chosen to reflect the relative importance of each factor in measuring how well a bundle performs overall.

6. Repeat purchase rate

Repeat purchase rate is the percentage of customers who come back to buy again after their first purchase.

To calculate the repeat purchase rate, divide the number of customers who made more than one purchase by the total number of customers, then multiply by 100:

(Number of customers who bought more than once ÷ Total number of customers) × 100

Example:

If 200 out of 1,000 customers made multiple purchases:

(200 ÷ 1,000) × 100 = 20%

7. Customer Acquisition Cost (CAC)

Customer acquisition cost is the average cost needed to get one new customer. Tracking this will ensure you’re not overspending to get new customers. If bundles help increase AOV or CLTV, they can make your CAC more cost-effective.

To calculate CAC (Customer Acquisition Cost) in your Shopify store, divide your total marketing and advertising spend by the number of new customers gained during that same period. This shows how much it costs you to acquire each new customer.

Total marketing spend ÷ Number of new customers acquired

Example:

If you spent $1,000 and got 100 new customers:

$1,000 ÷ 100 = $10 CAC

8. Return rate

Return rate is the percentage of sold bundles that customers return for a refund or exchange.

Tracking the return rate and analyzing the reasons will help you to understand which products to include or exclude from a bundle.

👉 You might also like to read: 7 Ways to Use Product Affinity Analysis to Build Perfect Bundle Combinations

9. Net Promoter Score (NPS)

Net Promoter Score in e-Commerce measures how likely customers are to recommend your store to others, based on a simple survey.

NPS reveals if bundles actually delight customers.

  1. Send a survey asking: “How likely are you to recommend our store?” (scale 0–10)

  2. Calculate:

    • Promoters = scores 9–10

    • Passives = scores 7–8 (ignored in NPS)

    • Detractors = scores 0–6

  3. Subtract the percentage of detractors (scores 0–6) from the percentage of promoters (scores 9–10)

Metrics you can track with MBC Bundles

If you're using MBC Bundles, in the analytics dashboard you can get overview or the following metrics:

  • Top selling bundles

  • Top selling products

  • Bundle conversion metrics: impressions and clicks

  • Key indexes: engagement rate, conversion rate, click-through rate

  • Store orders metrics: total number of store orders, orders with bundles, share of bundles in %

  • AOV Metrics

  • ROI Metrics

  • AI Analytics: AI-generated sales

👉 Read more about product bundle analytics in our help center.

This article was created with assistance from vevy.ai and proofread, fact-checked, and validated by its author.

Create your first bundle today

Join thousands of merchants using MBC Bundles App to boost sales and increase AOV with bundles.

Create your first bundle today

Join thousands of merchants using MBC Bundles App to boost sales and increase AOV with bundles.

Create your first bundle today

Join thousands of merchants using MBC Bundles App to boost sales and increase AOV with bundles.

All-in-one app for smarter product bundles and discounts.

Company

Contacts

Parda 5-35, Tallinn, Harjumaa 10151, Estonia

All-in-one app for smarter product bundles and discounts.

Company

Contacts

Parda 5-35, Tallinn, Harjumaa 10151, Estonia

All-in-one app for smarter product bundles and discounts.

Company

Contacts

Parda 5-35, Tallinn, Harjumaa 10151, Estonia