How to Calculate Manufacturing Cost Per Unit in India (2025 Formula)

A seller in Surat once told me his product cost ₹45 per unit to manufacture. He was selling at ₹349. “40% margin,” he said, proudly.

He was wrong. His actual cost per unit — once we added everything — was ₹187. His margin was 46%. Except he was calculating it backwards. He was losing ₹25 on every sale after Amazon’s fees.

This is the most common financial mistake in Indian ecommerce. And it stems from one thing: not knowing the real formula for cost per unit.

The Full Cost-Per-Unit Formula

True cost per unit is not just raw material. It is every rupee spent to get one sellable unit into a customer’s hands:

Total Cost Per Unit =
  Raw Material Cost
+ Labour / Processing Cost
+ Packaging Material Cost
+ Factory Overhead Allocation
+ Inbound Shipping (per unit)
+ Import Duty / GST (per unit)
+ Customs & CHA Charges (per unit)
+ Domestic Transport to Warehouse (per unit)
+ Quality Inspection Fee (per unit)
+ Storage / Warehousing (per unit per month)
─────────────────────────────────────────────
= Landed Cost Per Unit (your real "cost")

Everything above this line happens before a customer even sees your product. Now you still have to subtract platform fees, shipping to customer, and advertising from your selling price — and what is left is your actual profit.

Breaking Down Each Cost Component — India Benchmarks

1. Raw Material + Labour (Manufacturing)

For Indian manufacturers (Gujarat, Tamil Nadu, UP clusters), expect:

• Basic plastic/rubber products: ₹12–60/unit
• Textile/apparel: ₹80–400/unit depending on fabric
• Beauty/personal care: ₹35–150/unit for 50ml–200ml
• Electronics accessories: ₹45–200/unit
• Kitchenware/home: ₹30–250/unit

For Chinese manufacturers (via Alibaba/1688), these numbers are typically 30–55% lower, but landed cost after duties often closes the gap to 15–25%.

2. Packaging Material Cost

First-time sellers always underestimate this. A proper branded box with insert card, shrink wrap, barcode label, and outer carton adds ₹8–45 per unit depending on size and material. Premium kraft paper boxes can hit ₹60–80/unit.

3. Inbound Shipping (China to India)

• Sea freight (LCL): ₹50–90/kg, plus origin charges
• Air freight: ₹250–400/kg — only for small test batches
• Minimum sea shipment is usually around 1 CBM = ~167 kg for most products

4. Import Duties (BCD + IGST)

This is where most first-timers get shocked:

• Electronics: BCD 20% + IGST 12–18% of CIF value
• Cosmetics/personal care: BCD 10% + IGST 18%
• Plastics/rubber: BCD 15% + IGST 18%
• Textiles: BCD 20% + IGST 5–12%

On a ₹100 CIF value item, total duty can be ₹28–42. This is per-unit cost you must factor in.

5. CHA + Port Charges

Customs House Agent fees, port handling, container examination: typically ₹8,000–15,000 per shipment, which you divide by your total units. On 500 units = ₹16–30 per unit.

Worked Example: 500 Units of a Face Serum

If you are selling this serum at ₹699 on Amazon, your gross margin after the ₹154.76 landed cost is ₹544. But Amazon takes 15% referral fee (₹104.85) + 18% GST on fees (₹18.87) + Easy Ship fee ~₹50. Your net before ads: ₹370, or a true margin of 52.9%. Not bad — but only because we got the full cost right. Most sellers would have thought they had a 80% margin based on factory cost alone.

Skip the Spreadsheet — Use the Calculator

The MOQBridge Product Cost Calculator handles all of this automatically. Enter your factory price, product weight, category, and origin country — and it returns your full landed cost per unit in INR, including all India-specific duties and fees.

⚠️ Critical Rule: Never list a product until you have calculated its full landed cost. Your target selling price should be at least 3× your landed cost to survive platform fees, returns, and advertising.