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Revenue Definition: Klar vs Shopify

Why the Klar revenue numbers differ from Shopify — and why the Klar definition gives you a clearer picture.

Written by Frank Birzle

If you're wondering why your revenue in Klar looks different from Shopify — this article explains exactly why. Shopify uses non-standard revenue definitions that make it hard to understand where money is actually going. Klar uses a clean waterfall approach that gives you a much clearer picture.

Net Revenue is also the starting point for Klar's margin waterfall:

Net Revenue − COGS = CM1 CM1 − Logistics Costs − Transaction Costs = CM2 CM2 − Marketing Costs = CM3


Introducing common terminology

In Klar, we use a clean waterfall method to define our revenue metrics. Let's run through the waterfall and define each step.

Metric

Definition

Gross Merchandise Value

The original selling price of a product before any deductions

Price Reductions

The reduction in price offered to all customers (using the Compare At price in Shopify)

Discount Code Value

The reduction in price through Discount/Voucher Codes and Cart Rules

Shipping Revenue

The fee you charge customers to deliver their order

Gross Revenue

Gross Merchandise Value − Price Reduction Value − Discount Code Value + Shipping Revenue → Think: The money the customer needs to pay

Return Value

The Gross Revenue value of all items being returned → Think: The money you have to pay the customer back

Taxes

The taxes you have to pay on your not-returned gross revenue

Net Revenue

Gross Revenue − Return Value − Taxes → Think: The money available to cover your costs. Unless stated otherwise, all revenue numbers in Klar are Net Revenue.


How Shopify defines revenue

Shopify uses three different revenue terms — Total Sales, Gross Sales, and Net Sales. Using the terminology above:

Shopify metric

Definition using Klar terminology

Total Sales

Gross Merchandise Value − Price Reduction Value − Discount Code Value − Return Value + Shipping Revenue

Gross Sales

Gross Merchandise Value − Price Reduction Value − Tax Value

Net Sales

Net Revenue − Net Shipping Revenue


Return date difference

Klar associates a return with the date the order was placed. Shopify associates it with the date the return was logged.

Example: An order placed on 5 May and returned on 15 May → Klar records the return on 5 May, Shopify on 15 May. This affects how returns impact your daily revenue numbers.


Gift voucher difference

Klar captures revenue from the sale of gift vouchers on the day of purchase.

Shopify only captures this revenue on the day the voucher is used.

💡 Tip: Set the payment costs for gift vouchers at 100% to avoid double-counting this revenue.


Example — Selling a pair of sneakers

Let's make this concrete.

Setup: Sneakers normally sell for €120 but are reduced to €100 via Compare At price (20% tax rate). A customer buys two pairs using a 10% discount code. Delivery costs €5. The total is €185. One pair is returned — reimbursement: €90.

Revenue in Klar

Gross Merchandise Value

€240

− Price Reduction Value

−€40

− Discount Code Value

−€20

+ Shipping Revenue

+€5

= Gross Revenue

€185

− Return Value

−€90

− Taxes

−€15.83

= Net Revenue

€79.17

Revenue in Shopify

Total Sales

€95

Gross Sales

€184.17

Net Sales

€74.17

Klar's waterfall makes it immediately clear where the drop-offs are happening — from original price through discounts, shipping, returns, and taxes — so you can spot trends and opportunities for improvement at each step.

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