Cost of goods sold on Shopify: the True COGS guides
Shopify keeps one Cost per item for each variant and does not change it when stock arrives. These guides explain how to keep that number at what you really paid, and what it does to your profit, your stock value and your month-end figures. Every claim about Shopify links to Shopify's own help pages.
True COGS user guide: daily use, pages and plans
How to use True COGS day to day: purchase orders, the Waiting page, freight and duty, correcting a cost, reports, emails and what each plan includes.
Ending inventory formula: how to calculate ending and beginning inventory, with a calculator
Ending inventory = beginning inventory + purchases − cost of goods sold. A calculator, beginning inventory worked backward, and where each number is in Shopify.
Perpetual vs periodic inventory: the difference, and which one your Shopify store runs
Perpetual vs periodic inventory: how each records stock and COGS, a worked example, and why Shopify counts units perpetually but keeps one fixed cost.
Cost of goods sold journal entry: debit or credit, with perpetual and periodic examples
COGS journal entry: debit cost of goods sold, credit inventory. Perpetual and periodic entries, whether COGS is an asset, and the monthly Shopify entry.
Purchase price variance (PPV): the formula, a worked example, and tracking it on Shopify purchase orders
Purchase price variance = (actual − standard price) × quantity. A calculator, a worked example, the effect on margin, and PPV on Shopify purchase orders.
Inventory write-off and write-down: journal entries, the tax rule, and recording it on Shopify
Write off lost, damaged or expired inventory and write down stock worth less than cost: journal entries, the tax rule, and how to record it for a Shopify store.
True COGS vs Cogsy: two ways to keep Shopify product costs right
True COGS and Cogsy compared feature by feature, from each app's own pages on 6 November 2026: costs from deliveries vs a dated cost ledger, and who each suits.
The Stocky Shopify app after 31 August 2026: what still works and what to do now
Stocky for Shopify stopped on 31 August 2026. Key dates, where each Stocky job lives in Shopify now, what to export before read-only access ends, and costs.
Shopify inventory reports explained: the nine default reports, and which one shows stock value at cost
The nine Shopify inventory reports, what each one answers, the 1 October 2026 On hand change, and why Month-end inventory value uses one fixed Cost per item.
Shopify purchase orders: how to create, receive and cost a PO in the Shopify admin
How Shopify purchase orders work: create a PO, mark it ordered, receive it on the linked transfer, add freight and duty, and what a PO doesn't do to costs.
The margin formula: how to calculate margin, with the Excel formula
The margin formula, (price − cost) ÷ price, with the exact Excel and Google Sheets formulas, margin vs markup, and the price that gives a target margin.
Is cost of goods sold an expense? COGS vs operating expenses
Yes: cost of goods sold is an expense, recognised when goods sell and shown above gross profit, apart from operating expenses. What it means in Shopify.
Shopify's Cost per item, explained: what it does and what it doesn't
What Shopify's Cost per item is, where Shopify uses it, what to put in it, and why it stays fixed when stock arrives at a new price. Checked November 2026.
How to add inventory in Shopify with the cost you paid
Receive stock in Shopify so Cost per item matches what you paid: purchase orders, transfers, cost adjustments, the average-cost formula, an automatic way.
Bulk update Cost per item in Shopify without losing your averages
Bulk edit or CSV-import Cost per item in Shopify, and move opening average costs from Stocky, Finale, Cin7 or a spreadsheet without breaking your averages.
Shopify cost history: what a product cost on a past date
Shopify keeps one Cost per item and no history of past costs. How to find what a product cost on a past date, and keep a dated cost record from now on.
Track supplier price increases in Shopify before they cut your margin
See which supplier raised which price and by how much, what it does to your margin at average cost, and the selling price that brings the margin back.
Leave services and non-stock products out of Shopify inventory value and COGS
Keep services, lens options, gift wrap and placeholder counts like 999 out of Shopify inventory value and COGS: Shopify settings, and a tag in True COGS.
Shopify's inventory value report is missing products: seven reasons
Why Shopify's Month-end inventory value report leaves products out or shows nothing: tracking, missing costs, the three-year rule, On hand and more.
Shopify profit margin calculator: your margin at what each unit really cost
Free Shopify profit margin calculator: gross margin as Shopify's report counts it, margin with freight and duty in the cost, and what is left after fees.
Landed cost calculator: the total landed cost of a shipment, and what each unit cost
Free landed cost calculator for a shipment: split freight by weight, units or value and duty by value, and get each product's landed cost per unit.
COGS calculator: cost of goods sold from your inventory and purchases
Free COGS calculator: beginning inventory + purchases + freight-in − returns − ending inventory, with gross profit, margin and what a negative COGS means.
The weighted average method of inventory valuation: periodic and moving average, worked through
Weighted average inventory valuation step by step: the periodic and the moving (perpetual) average, the same month worked both ways, and a free calculator.
How to update Cost per item automatically in Shopify when stock arrives
Shopify keeps Cost per item fixed when you receive a purchase order or transfer. Three ways to keep it right, and why the weighted average beats the last price.
Why is Cost per item wrong in Shopify? Seven causes and how to fix each
Cost per item in Shopify drifts from what you paid for seven common reasons. How to spot each one, fix it, and stop the latest price overwriting your cost.
Shopify profit report wrong or missing cost of goods? What the report counts
Shopify's profit reports count only variants that had a cost when they sold, at the cost recorded on each order. Why gross profit looks wrong, and the fix.
Shopify cost of goods sold: how to calculate COGS for your store
Shopify cost of goods sold, worked out two ways: the formula (beginning inventory + purchases − ending inventory) with an example, and Shopify's profit reports.
How to export Stocky purchase orders and cost history before read-only access ends
Stocky closed on 31 August 2026 with read-only export access for at least 90 days. What to export, why Shopify can't import it, and where to put the costs.
Shopify purchase orders vs Stocky: what native purchase orders do, and what they don't do for costs
Shopify's native purchase orders replace Stocky's for ordering and receiving. What they record, how receiving works, and why Cost per item still doesn't change.
How to record a freight bill that arrives after the goods on Shopify
The freight or duty bill came weeks after the stock. How to add it to inventory cost without rewriting past margins, with weighted average and FIFO examples.
Is freight part of cost of goods sold? Freight-in, duty and fees for a Shopify store
Inbound freight and import duty are part of inventory cost under IRS rules and IAS 2; shipping to customers is not. What to include, and how in Shopify.
Shopify closing inventory value for taxes: what your accountant needs at year-end
Get beginning and ending inventory from Shopify for Schedule C lines 35 to 42 or Form 1125-A, what the report counts since October 2026, and what to check.
Shopify cost adjustments on transfers: what Shipping amount and Customs duties do to product cost
Shipping amount and Customs duties on a purchase order's transfer: what the Cost summary shows, why Cost per item stays the same, and how to split them.
Cómo actualizar el Costo por artículo en Shopify automáticamente al recibir mercancía
Shopify mantiene fijo el Costo por artículo al recibir órdenes de compra. Cómo mantenerlo correcto y por qué el promedio ponderado supera al último precio.
Alternativa a Stocky para el costo promedio: cómo conservar su costo promedio ponderado después de Stocky
Stocky cerró el 31 de agosto de 2026. Qué exportar antes del fin del acceso de solo lectura y cómo seguir con su costo promedio ponderado en Shopify.
Shopify's inventory value report doesn't match your app? On hand vs Available, since 1 October 2026
Since 1 October 2026 Shopify's inventory reports count On hand units, not Available. Why your app or sheet now differs, what counts as 0, and how to reconcile.
Inventory costing methods for Shopify: FIFO, moving weighted average and landed cost
Inventory costing methods for Shopify: FIFO, moving weighted average with freight and duty, opening costs imported, services left out, and a monthly COGS close.
Does Shopify calculate weighted average cost?
No. Shopify keeps one fixed Cost per item that receiving stock does not change. The weighted average formula, a free calculator, and how to automate it.
Shopify purchase orders not updating Cost per item? Why it happens and how to fix it
Shopify purchase orders don't update Cost per item when you receive them: the cost stays fixed by design. Why, how to fix it by hand, and how to automate it.
Stocky alternative for average unit cost: keeping weighted average cost after Stocky
Stocky closed on 31 August 2026. Which alternatives replace its average unit cost, what Shopify does now, and what to export before the read-only window ends.
FIFO vs weighted average cost for a Shopify store: which should you use?
FIFO or weighted average cost for a Shopify store? The same stock under both methods, what each does to profit and stock value, and how to choose.
Landed cost per unit on Shopify: how to split freight and duty across a delivery
Landed cost per unit for a Shopify delivery: split freight by weight, units or value and duty by value, with a worked example that adds up to the cent.
How to get Shopify cost of goods sold into QuickBooks Online: the month-end journal entry
Why QuickBooks shows no COGS for Shopify sales, the one journal entry that fixes it each month, which side to debit for your setup, and a worked example.
Shopify inventory valuation and cost of goods sold at month-end
Cost of goods sold and inventory value at cost for a Shopify store each month, what Shopify's month-end report uses, and why two COGS figures differ.
Shopify COGS apps compared: which cost of goods sold app fits your store
Shopify COGS apps compared on 21 October 2026: which update Cost per item on receipt, weighted average or FIFO, landed cost, prices and ratings.
How to add stock to Shopify from a supplier invoice and record what it cost
Your supplier sends an invoice, not a purchase order. How to add the stock to Shopify and record what each unit cost at your true average.
Try True COGS free. True COGS is an inventory costing app for Shopify by Nexus Logic Systems. It records the price you paid on every delivery (a received purchase order or a transfer), with its share of freight and duty on paid plans, keeps every price with its date, and writes your moving weighted average cost, or FIFO cost on a paid plan, to Shopify's Cost per item. It is free for up to 25 variants with a cost on record; paid plans start at $29 a month or $290 a year.
Install from the App Store