OpenCart's product form has no cost-price field. Its Sales report shows order totals and tax collected, nothing about what you actually kept after paying your supplier, the courier and the marketplace. A store doing ₹8 lakh a month in revenue can carry three loss-making SKUs and never know it, because the default install has no concept of profit, only turnover.
What OpenCart tracks, and what it skips
Out of the box, OpenCart is an order and inventory system, not a profitability one. It logs selling price, quantity, and tax paid per line item. Purchase cost never enters the picture, so there's nothing to net against revenue. Store owners deal with this three ways: a paid cost-price extension, a parallel spreadsheet, or nothing at all, running the catalogue on gut feel about which SKUs to reorder.
The gap shows up fastest on shipping-heavy categories. A product with a 40% markup on paper can still lose money after ₹80 in courier and a payment gateway's cut come out of the order value.
The GST piece OpenCart gets half right
Configured correctly, OpenCart's tax classes handle the split fine: CGST+SGST for intra-state orders, IGST across states. What the platform doesn't do is carry that logic through to profitability. Stripping GST out of the selling price before working out margin is manual. So is tracking input-credit reversals on returned or cancelled orders — none of that lives in OpenCart's tax engine.
One order, worked through
A ₹1,200 product, GST-inclusive, sold through an OpenCart store, shipped by a regional courier, with a payment gateway taking its cut.
| Line | Amount |
|---|---|
| Selling price (18% GST-inclusive) | ₹1,200 |
| Net revenue (ex-GST) | ₹1,017 |
| Purchase cost | −₹550 |
| Courier | −₹75 |
| Payment gateway (2%) | −₹24 |
| Return allowance (5%) | −₹4 |
| True profit | ₹364 (~36% margin) |
OpenCart's own report shows ₹1,200 collected and ₹183 tax. The ₹364 isn't in there anywhere. Someone, or something, still has to pull cost, courier and fee data alongside the order before that number exists.
Connecting OpenCart to real profit numbers
Klean Profit AI connects directly to OpenCart and pulls orders, product costs and tax data to compute trusted profit per SKU: net of purchase cost, courier, marketplace fees, GST and a return allowance. Fifteen-plus data-quality checks run on the import, so a missing cost price or a mismatched tax class gets caught rather than baked into the number. Your OpenCart data is never used to train the underlying AI models.
Common mistakes OpenCart sellers make
- Pricing off gross margin only. Courier and gateway fees come out of the full order value, not your margin.
- Leaving cost price blank. Without it, every report is a revenue report wearing a profit report's name.
- Treating GST as a cost. It's collected on the buyer's behalf and offset by input credit, so it has no business reducing your margin.
- Not spreading returns across the catalogue. A 5-6% return rate on a thin-margin SKU can wipe the profit out entirely after reverse logistics.
Does OpenCart calculate profit per product?
No. There's no cost-price field on the core product form, which means there's nothing for the admin to net selling price against. You need a paid extension or an external tool wired into the store to get there.
How do I add cost price to OpenCart products?
A handful of marketplace extensions add a cost-price field to the product edit screen and build margin reports off it. Connecting the store to an outside tool is the other route, and it saves re-entering costs by hand for every SKU whenever a supplier price changes.
Is OpenCart's GST setup accurate for Indian sellers?
The tax math holds up once CGST, SGST and IGST classes are set correctly for intra-state versus inter-state orders. Profitability is a separate problem the platform leaves untouched, and so is any input-credit adjustment tied to returns.
What data does Klean Profit AI pull from OpenCart?
Orders, line-item pricing, product costs, tax details, all through a direct connector, not a CSV export someone has to remember to run. That feeds the profit-per-SKU calculation alongside courier and marketplace fee inputs, with data-quality checks catching anything that looks off before it touches your numbers.
Can I see which OpenCart products are actually losing money?
Yes, as soon as cost, courier and fee data sit against each SKU. Low and negative-margin products stop hiding inside a revenue total that looks fine on its own.