AOV Calculator
Average order value, the median it usually hides, and what a lift is worth — because raising AOV adds contribution without buying a single extra customer.
AOV Calculator
Results recalculate instantly on every keystroke. Nothing you type is transmitted.
What this result does not account for
- A mean — read the median beside it.
- Sensitive to whether shipping and tax are included.
- Assumes the incremental units carry the same margin.
In short: AOV is the cheapest growth lever you have. 66,304 over 518 orders is 128.00, and an 8% lift adds 2,227.81 of contribution — buying the same revenue would have cost 1,998.00 in media.
Formula
AOV = revenue ÷ orders
lift value = ΔAOV × orders × contribution margin
[('AOV', 'a mean, and order values are right-skewed'), ('median', 'the typical basket, always read alongside'), ('lift', 'arrives at FULL margin — no acquisition cost'), ('equivalent', 'the media spend the lift replaces')]
Worked Example
- Divide revenue by orders for the mean.
- Read the median beside it to see the skew.
- Apply a realistic lift to the mean.
- Value the extra revenue at contribution margin.
- Price the traffic that would have bought the same result.
66,304 across 518 orders is a 128.00 AOV, or 91.43 per unit at 1.40 units an order. The 94.00 median sits 34.00 below the mean — a 36.1702% skew, which is entirely normal. An 8% lift takes AOV to 138.24 and adds 5,304.32 of revenue and 2,227.81 of contribution at 42%. Buying that revenue instead would need 41.44 more orders at 48.21 each — 1,998.00 of media, every month, where the AOV change is made once.
Strengths & Limits Of This Model
Where this engine is strong
- Reports the mean-median skew rather than hiding it
- Values the lift at full contribution margin
- Prices the media spend the lift replaces
Where it stops
- Ratio hides volume
- Convention-sensitive
Practical Use Cases
Prioritising merchandising
Valuing a bundle or upsell before building it.
Setting a free-shipping threshold
Anchoring the bar above the current AOV.
Reading the distribution
Seeing how far the mean is pulled by large baskets.
Comparing growth levers
Pricing AOV work against media spend.
Feeding unit economics
Supplying the revenue line for margin and ROAS.
Methodology & Editorial Standards
Average order value is revenue over orders, and the median is requested alongside because order value distributions are right-skewed and a mean alone misdescribes the typical basket. The lift is valued at full contribution margin rather than net of media, since the acquisition cost has already been incurred on the order. The equivalent media spend is computed at the entered cost per acquisition, which is the comparison that justifies merchandising work against advertising.
Computation runs in IEEE-754 double precision at full internal precision; rounding to two decimal places occurs strictly at the display layer, so no cumulative drift enters the result. All monetary outputs use accounting presentation — grouped thousands, two decimals, negatives in parentheses — so figures can be transcribed directly into a model or working paper. Division-by-zero and out-of-domain inputs return an em-dash rather than a misleading number.
This engine was reconciled against an independent reference implementation and hand-verified for the worked example above before release. Our full five-stage review process is published on the About Us page.
Disclaimer. This calculator is provided for informational and modelling purposes only and does not constitute financial, tax, legal, medical, or engineering advice. Verify all figures with a qualified professional before acting on them.
AOV Calculator — 10 Expert FAQs
10 analyst-written answers to the questions practitioners actually ask — optimised for voice and answer-engine retrieval.
How do you calculate average order value?
Divide total revenue by the number of orders in the same period. Be consistent about whether revenue includes shipping charged and tax, because the two conventions produce different figures and mixing them makes period comparison meaningless.
Why is the median lower than the mean?
Because order values are bounded below at zero and unbounded above, so a small number of large baskets pull the mean upward. This is the normal shape of the distribution, and designing merchandising for the mean often means designing for a basket nobody actually buys.
Why is raising AOV cheaper than raising traffic?
Because the customer has already been acquired and paid for. Incremental revenue on an existing order arrives at your full contribution margin with no additional media cost, whereas an extra order costs you the acquisition price again.
How do I increase average order value?
Bundling, volume tiers, a free-shipping threshold set above current AOV, cross-sells at the cart and post-purchase upsells. The last carries no conversion risk at all, because the order is already placed before the offer appears.
Can raising AOV hurt profit?
Yes, if the lift is bought with discounts. A bundle that raises order value while cutting the margin on every unit can lower total contribution even as the headline improves. Always test the margin on the incremental units rather than assuming it holds.
Should AOV include shipping and tax?
Pick one convention and hold it. Excluding both is the cleanest basis for merchandising decisions because it isolates the product revenue you control. What matters far more than the choice is that you never change it mid-comparison.
How does AOV relate to break-even CPA?
Directly. Break-even cost per acquisition is AOV multiplied by contribution margin, so a higher AOV raises the price you can afford to pay for a customer. That in turn lets you win auctions that were previously unaffordable.
Is a higher AOV always better?
Not if it comes from a narrower customer base. A shift toward fewer, larger orders can raise AOV while shrinking the business, so read it alongside order count rather than on its own. AOV is a ratio and ratios hide volume.
What is average selling price?
Revenue divided by units rather than by orders. It measures pricing where AOV measures basket building, and the gap between them is your units per order. Improving either raises AOV, but the tactics are completely different.
How often should I review AOV?
Monthly for trend and immediately after any merchandising change, but beware of seasonality — gifting periods lift AOV mechanically without any improvement in the underlying business. Compare like periods rather than consecutive ones.