Annual Average Order Value Formula
Learn how annual net average order value is calculated from gross sales, refunds and completed orders.
Annual average order value (AOV) estimates the net revenue retained from each completed order during a 12-month period. Calculating both net and gross AOV helps show how refunds and credits affect revenue per order.
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Annual Net Average Order Value
Where:
Subtract annual refunds and credits from gross annual sales, then divide the remaining net sales by the number of completed orders.
Variables Explained
| Variable | What It Means | Unit |
|---|---|---|
| annualGrossSales - Annual gross sales | Total sales recorded for the year before refunds, returns and customer credits. | currency |
| annualRefunds - Annual refunds and credits | Refunds, returns and customer credits that reduce annual sales revenue. | currency |
| annualOrders - Completed orders | Number of completed customer orders included in the annual sales figures. | number |
Step-by-Step Calculation
Record gross annual sales
Use sales for one consistent 12-month period before refunds and credits.
annualGrossSales
Calculate net annual sales
Refunds and credits are deducted from gross sales. The result cannot fall below zero in this calculator.
netAnnualSales = max(annualGrossSales - annualRefunds, 0)
Calculate gross AOV
Gross AOV shows sales per completed order before refunds and credits.
grossAverageOrderValue = annualGrossSales / annualOrders
Calculate net annual AOV
Net AOV shows the average revenue retained per completed order after refunds and credits.
annualAverageOrderValue = netAnnualSales / annualOrders
Calculate the refund rate
This expresses refunds and credits as a percentage of gross annual sales.
refundRate = annualRefunds / max(annualGrossSales, 1) * 100
Annual AOV calculation example
Calculate net annual sales
$250,000 − $15,000
$235,000
Calculate gross AOV
$250,000 ÷ 5,000
$50.00 per order
Calculate net AOV
$235,000 ÷ 5,000
$47.00 per order
Calculate refund rate
$15,000 ÷ $250,000 × 100
6.00%
Final Result
The annual net average order value is $47.00 per completed order.
Assumptions
- ✓Gross sales, refunds and order counts cover the same 12-month period.
- ✓Completed orders are counted once and match the revenue reported.
- ✓Refunds and credits reduce revenue but do not reduce the completed-order count.
- ✓Any tax, shipping income, discounts, fees or chargebacks are included only if they are included in the figures entered.
Limitations
- !AOV is a revenue-per-order measure, not a profitability measure.
- !Different revenue-recognition methods can produce different results.
- !A yearly figure can conceal monthly seasonality or changes in product mix.
- !The calculator does not identify the cause of changes in refund rate or order value.
Common Mistakes to Avoid
Mixing a full-year sales total with an order count from only part of the year.
Including cancelled or unpaid orders in the completed-order count.
Using gross sales for net AOV without deducting refunds and credits.
Comparing periods that use different refund timing or revenue-recognition methods.
Treating AOV as revenue per unique customer rather than revenue per order.
Related Formulas
Frequently Asked Questions
What is the formula for annual average order value?
Net annual AOV equals gross annual sales minus refunds and credits, divided by completed orders.
How do I calculate gross average order value?
Divide annual gross sales by the number of completed orders, without subtracting refunds or credits.
Why is net AOV lower than gross AOV?
Net AOV is lower when refunds and credits reduce the revenue retained from gross sales.
Can annual refunds exceed gross sales?
The formula limits net annual sales to zero, but refunds exceeding gross sales may indicate that the period or accounting treatment should be reviewed.
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