You have decided to go into business for yourself. You have found a name, designed a logo, studied your market and built a marketing plan. Now comes the question that decides whether the business survives: what do you charge?

Setting a price starts with knowing what the product actually costs you. This guide covers what cost price is, how to calculate it, how it differs from total cost, and the mistakes that quietly erode margins.

What Is Cost Price?

Cost price represents all the direct and indirect expenses your business incurs to manufacture a product or deliver a service. Once you know it, you can determine your gross margin and set a selling price that actually leaves you something.

Cost price includes:

• Production costs — raw materials, staff wages, the share of depreciation tied to production, plus variable and fixed costs such as rent and electricity.
• Purchasing costs — supplies used during production: delivery charges, customs duties, handling.
• Distribution costs — everything tied to bringing the product to market: advertising, transport to the point of sale, packaging.
• Administrative costs — support and back-office functions: management and accounting salaries, after-sales service, and the share of depreciation on the equipment those functions use.

In accounting terms, cost price is what the unit costs you before any profit is added. It is not the selling price, and it is not the purchase price of your materials alone — those are the two most common confusions.

Cost Price Formula

The formula is straightforward:

Cost price = (Total direct costs + Total indirect costs) ÷ Number of units produced

Direct costs can be traced to one specific unit: the wood in a table, the hours a technician spends on one job, the packaging around one product.

Indirect costs keep the business running regardless of how many units you make: rent, insurance, accounting fees, the owner’s salary, software subscriptions. These are shared across everything you produce, which is why the unit count in the formula matters as much as the costs themselves.

Calculation Example

Take Julie, who owns a woodworking shop. In her first year she offers only tables.

If direct expenses to produce 100 tables come to $25,000 and indirect expenses come to $40,000:

($25,000 + $40,000) ÷ 100 = $650

The cost price of Julie’s tables is $650. If she sells them at $900, her gross margin is $250 per table, or roughly 28%.

Notice what happens if Julie sells only 60 tables instead of 100. Her indirect costs do not shrink — the rent is the same. Her cost price becomes ($25,000 × 0.6 + $40,000) ÷ 60 = $917. She would be losing money at $900. This is why cost price must be recalculated whenever volume changes significantly.

Cost Price vs Total Cost: What Is the Difference?

These two are often confused, and the distinction matters when you are planning.

Total cost is what the whole operation costs over a period. The formula is:

Total cost = Total fixed costs + Total variable costs

For Julie: $40,000 in fixed costs plus $25,000 in variable costs equals a total cost of $65,000 for the year.

Cost price is that total divided by the number of units — what each individual table costs her.

Use total cost when you are budgeting, forecasting cash flow or assessing whether the business as a whole is viable. Use cost price when you are setting the price of one product or quoting one job.

How to calculate total cost step by step

1. List your fixed costs for the period: rent, insurance, salaries not tied to production, loan payments, subscriptions, accounting. These do not change with volume.
2. List your variable costs: materials, production labour, packaging, shipping, commissions. These rise and fall with how much you produce.
3. Add them together. That is your total cost for the period.
4. Divide by units produced to get the cost price per unit.

How to Calculate Direct Cost

Direct costs are the ones you can attribute to a single unit without estimating. For a manufactured product, add the material cost per unit and the production labour per unit. For a service, the direct cost is usually the billable hours multiplied by the loaded hourly cost of the person delivering it — not their wage alone, but their wage plus payroll taxes and benefits.

The test is simple: if you produced one fewer unit, would this cost disappear? If yes, it is direct. If no, it is indirect.

Why Calculating Cost Price Matters

Whatever your size or sector, cost price is the foundation of pricing. Once you know it, you can work to reduce it and widen your margins. It is also an essential part of your business plan, and it gives you a real advantage when applying for financing — a lender who sees a properly built cost structure is looking at a very different file from one who sees a price pulled out of the air.

Three things it protects you against:

• Selling at a loss without noticing. It happens more often than people think, particularly with services, where indirect costs are easy to forget.
• Pricing by copying competitors. Their cost structure is not yours. Matching their price while carrying higher costs is a slow way to fail.
• Discounting blindly. A 15% discount on a 20% margin does not cost you 15% — it costs you three quarters of your profit.

Common Mistakes to Avoid

• Forgetting your own salary. If the business cannot pay you, it is not profitable — it is subsidized by your unpaid labour.
• Ignoring unsold or defective units. If 5% of production is scrapped, the cost is carried by the 95% you sell.
• Calculating once and never again. Material prices, wages and volumes all move. A cost price from two years ago is a number, not a fact.
• Leaving out equipment depreciation. The machine will need replacing. If its wear is not in the cost, the replacement will hurt.
• Confusing margin and markup. A product costing $650 sold at $900 carries a 28% margin but a 38% markup. Mixing them up is a reliable way to underprice.

Ready to determine the cost of your products or services?

Calculating cost price is not an accounting formality — it is what tells you whether each sale moves the business forward or backward. It also feeds directly into your business plan and your financing application.

The advisors at your local SADC or CAE work with entrepreneurs on exactly this: structuring costs, testing prices and building financial forecasts that hold up. There are 57 SADCs and 10 CAEs across Quebec’s regions.

Find the SADC or CAE serving your region and go through your numbers with an advisor.