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Average Order Value (AOV) is an ecommerce metric that measures the average amount a customer spends per order on your store. It’s calculated by dividing total revenue by total number of orders over a given period.
AOV is one of the few levers that grows revenue without raising acquisition costs, which is why it’s a core focus for ecommerce and subscription brands. Tracking AOV helps you evaluate the impact of pricing, promotions, upsell offers, and bundling on real spending behavior. For Shopify subscription stores, AOV also compounds across every renewal, so even small lifts feed directly into customer lifetime value.
The AOV formula is simple:
AOV = Total Revenue ÷ Total Number of Orders
For example, if your store made $2,500 from 50 orders in a month, your AOV would be $50.
Tracking AOV consistently across the same time window (weekly, monthly, or quarterly) is what makes the metric useful, since it lets you measure the impact of changes you make without seasonality distorting the comparison.
A few tactics consistently move AOV in ecommerce:
Test one tactic at a time so you can measure which actually lifts AOV without hurting conversion.
If a Shopify store generates $10,000 in sales from 500 orders in a month, the AOV is $20. Lifting that to $25 through smart upsells and a free shipping threshold adds $2,500 in monthly revenue without acquiring a single new customer. On a subscription store, that lift compounds further, since the higher AOV repeats with every renewal. AOV is also a core input to lifetime value, which can be estimated using the customer lifetime value calculator.
Don’t chase AOV in isolation. An aggressive upsell or high free-shipping threshold can lift AOV while quietly tanking conversion. Track AOV alongside conversion rate and lifetime value so you know whether you’re growing real revenue or just inflating one number.