How Manufacturing Cost Sheets Help Indian SMEs Price Their Products Correctly

The Pricing Problem in Indian Manufacturing

Ask a small manufacturer how they calculated their selling price. The most common answers:

"I added 20% to my material cost." "I checked what the competition charges and matched it." "My customer told me what the maximum price is."

None of these is a cost sheet. All of them lead to the same problem: you do not actually know whether you are making money or losing money on each product.

A cost sheet changes that. It builds the selling price from first principles: exact material cost, machine time cost, overhead allocation, rejection loss, and target profit. The result is a price you can defend to any customer — because you know exactly how it was calculated.

What Goes Into a Manufacturing Cost Sheet

Material Cost

For each component or raw material used: - Material name and specification - Quantity required per unit of finished product - Current purchase price per unit - Scrap / yield loss percentage

Material cost per unit = Σ (Qty × Rate / (1 - Scrap%))

For example: 2 kg of steel at ₹85/kg with 8% scrap = 2 × 85 / 0.92 = ₹184.78 material cost.

Machine Cost

For each operation performed: - Operation name (turning, milling, welding, etc.) - Machine used - Standard cycle time (minutes per piece) - Machine rate per hour (electricity, depreciation, maintenance amortised)

Operation cost per unit = Cycle time (min) / 60 × Machine rate (₹/hr)

For example: 12 minutes on a CNC lathe at ₹180/hr = 12/60 × 180 = ₹36.00 per piece.

Labour Cost

Some businesses separate direct labour from machine cost: - Operator hours per unit × operator rate per hour

Others include operator cost in the machine rate. Either approach works — consistency is what matters.

Overheads

Overhead allocation covers factory indirect costs: rent, utilities (portion not in machine rate), supervision salaries, quality department, stores.

A simple method: apply an overhead percentage to total direct cost.

If your monthly overheads are ₹2,00,000 and monthly direct cost of production is ₹10,00,000, overhead percentage = 20%.

Overhead cost per unit = (Material + Machine + Labour) × 20%

Rejection and Rework Allowance

In most manufacturing, not every produced part is accepted. If rejection rate is 5%, the cost per good piece is higher because the rejected pieces were produced at cost but not sold.

Rejection-adjusted cost = Direct cost / (1 - Rejection rate)

Profit Margin

Finally, add target profit:

Selling price = Total cost per unit / (1 - Target margin%)

If total cost is ₹450 and target margin is 25%: Selling price = ₹450 / 0.75 = ₹600

Why This Matters for Quotations

When a customer asks "what is your best price for 500 pieces of this component?", you have two options:

1. Guess based on experience and gut feel
2. Open your cost sheet, enter the specifications, and get a calculated answer in 2 minutes

The second approach lets you: - Give a confident price that you know is profitable - Identify which elements to negotiate on (can we reduce the spec to use cheaper material? Can we change the routing to cut machine time?) - Know your absolute floor price — the minimum below which you lose money

Zoplax Cost Sheet in Quotations

Zoplax has a built-in cost sheet module inside the quotation workflow:

1. Create a quotation for a customer enquiry
2. Expand the Cost Sheet section
3. Add material rows: material, spec, quantity, rate, scrap %
4. Add operation rows: operation, machine (auto-fills rate/hr from Machine Master), cycle time
5. Enter overhead % and rejection % and target profit %
6. Zoplax calculates: Material Total, Machine Total, Overhead, Rejection Loss, Profit → Unit Price

Click "Apply to Line 1" and the calculated price fills the quotation line item.

The cost sheet is saved with the quotation. When the order comes in and you need to review pricing, the cost sheet is right there. When you do a revision, the cost sheet is cloned automatically so you can adjust without losing the original calculation.

You can also toggle "Include Cost in PDF" — if the customer wants to see the cost breakdown (common in industrial B2B negotiations), it is included in the quotation PDF.

Cost Sheet vs Revision History

When a customer negotiates and you revise the quotation, Zoplax creates a new revision with status "Cancelled" on the old one. The cost sheet is cloned to the new revision.

This means you have a complete history: - Rev 0: Original price ₹600 (cost sheet showing ₹450 cost + 25% margin) - Rev 1: Revised price ₹560 (cost sheet showing ₹450 cost + 20% margin)

You can clearly see at what margin you accepted the order — and whether it is still worthwhile.

Building Your Machine Master

1. Go to Manufacturing → Machines
2. Add each machine: Code, Name, Rate/Hour
3. The rate/hr should cover: electricity, depreciation, maintenance, tooling amortisation for that machine

When you assign a machine in a cost sheet operation, the rate fills automatically. You only need to enter cycle time.

Keeping machine rates updated (review quarterly or when electricity rates change) ensures your cost sheets remain accurate.

Start building cost sheets for your products — free trial at zoplax.in.