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Cost per portion/unit + recommended selling price
Updated for 2026
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Cost
Margin
Selling Price
Business
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Себестойност на порция/бройка + препоръчителна продажна цена
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Sharks Boutique — quality t-shirts and apparel
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What does the cost calculator calculate?
The cost calculator is an online tool that calculates the true cost of a product or service, taking into account all expenses - materials, labor, packaging, waste, and part of fixed costs. The calculator shows the true cost per unit of product or service, recommended selling price with chosen margin, and actual margin at existing price. The calculator is useful for restaurants, cafes, hotels, bakeries, small manufacturers, and any businesses that sell products or services to end customers. It helps you make informed pricing decisions, identify profitable products, and plan promotions and discounts without operating at a loss. The calculator is designed specifically for businesses that want to know the true cost and plan their pricing correctly.
How to use the cost calculator?
The cost calculator is designed for restaurants, cafes, hotels, bakeries and any type of business that sells products or services to end customers.
Its purpose is to show you the true cost of 1 portion/unit and calculate a reasonable selling price with your chosen margin.
- Fill in material costs: Total amount in BGN for all products in the recipe (flour, meat, vegetables, drinks, etc.).
- Add labor cost: Enter how many minutes preparation takes and the hourly rate of the employee. The calculator will automatically calculate labor cost.
- Enter packaging and other variable costs: Boxes, cups, napkins, spices, consumables, etc.
- Account for waste/loss: Percentage of losses during preparation, spoiled products or portions that are discarded.
- Distribute fixed costs: Rent, electricity, water, administrative salaries, etc. are divided by expected number of sales per month. Each portion "takes on" a small part of these costs.
- Select VAT and margin: Set what VAT you use and what margin percentage you want. The calculator will suggest a selling price.
- Optionally enter your current selling price: If you already have a price, you can see the actual margin you achieve.
Example with specific numbers
Example: Calculating cost for a pasta dish
- Materials (for 1 portion): 3.50 BGN (pasta, sauce, cheese, etc.)
- Labor (15 min at 12 BGN/hour): 3.00 BGN
- Packaging: 0.20 BGN
- Waste (5%): 0.35 BGN
- Fixed costs (per portion): 1.00 BGN (rent, utilities, etc.)
- Total cost per portion: 8.05 BGN
- Recommended price (30% margin): 11.50 BGN (excluding VAT)
This shows that if you sell the pasta dish for 11.50 BGN (excluding VAT), you achieve a 30% margin after covering all costs.
Sources and notes
The cost calculator helps you determine the true cost per unit by including variable costs (materials, labor, packaging) and allocating part of fixed costs (rent, utilities, administrative expenses) to each unit. Understanding your true cost is essential for making informed pricing decisions, planning promotions, and ensuring profitability. The calculator uses standard accounting principles for cost allocation. For complex cost structures or specific industry requirements, consult with an accountant or financial advisor.
Last updated: April 3, 2026
Data is up to date according to NRA and NOI (Bulgarian tax and social security). For official information see the sources below. Last update: 3 April 2026.
Sources:
- NRA – National Revenue Agency
- NOI – National Social Security Institute
- VAT Act – Bulgarian VAT law
- Local taxes act – Local taxes and fees
Related calculators
Check out our other useful business calculators:
- Profit Calculator – Calculate net profit and profitability
- Break-even Calculator – Find your break-even point
- VAT Calculator – Calculate value added tax
Frequently Asked Questions
What is cost?
Cost is the real expense for producing one portion/unit of a product or providing one service. It includes variable costs (materials, labor, packaging) plus part of fixed costs (rent, utilities, administrative expenses).
Why should I include fixed costs?
Fixed costs (rent, electricity, administrative salaries) should be distributed across products/services you sell. This gives a more realistic picture of whether you operate at a profit or loss.
How do I choose a margin?
Margin is the part of the price that remains for profit after cost is paid. It's usually set as a percentage of the selling price. Common margins are 20-50% depending on the industry.
Is this calculator only for restaurants?
No. The calculator can be used by restaurants, cafes, hotels, bakeries, beauty salons, fitness services, small manufacturers, and any business that sells products or services to end customers.
What if I already have a selling price?
Enter your current selling price in the optional field. The calculator will calculate the actual margin you achieve at this price and show whether the price is high enough relative to cost.