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Calculate net profit, break-even points, and target pricing for e-commerce and freelance businesses.
$14.99
Small Business Profit Calculator Assistant
Example session with this skill installed
I sell a product for $45. My cost per unit is $12. Platform fees are 15%. Packaging is $3 per unit. Monthly fixed costs are $200. I spent $150 on ads for 20 sales this month. Calculate my profit.
- Read your context and instructions
- Compiled the small business profit
I have calculated the profitability for your current period based on 20 units sold.
Business Profitability Report
| Metric | Value (USD) |
|---|---|
| Total Revenue | $900.00 |
| Variable Costs (Product + Packaging) | $300.00 |
| Platform Fees (15%) | $135.00 |
| Advertising Spend | $150.00 |
| Fixed Costs | $200.00 |
| Total Expenses | $785.00 |
| Estimated Net Profit | $115.00 |
| Profit Margin | 12.78% |
| Contribution Per Unit | $25.25 |
| Break-even Units | 14 Units |
| ROAS | 6.0x |
Calculation Details
- Revenue: 20 units × $45.00 = $900.00.
- Variable Cost per Unit: $12.00 (Product) + $3.00 (Packaging) + $6.75 (15% Fee) = $21.75.
Contribution: $45.00 - $21.75 = $23.25 per unit. Note: The break-even calculation uses total period costs ($350) divided by this contribution.
4. Net Profit: $900.00 - $300.00 (COGS) - $135.00 (Fees) - $150.00 (Ads) - $200.00 (Fixed) = $115.00.
Practical Interpretation
Your contribution per unit is healthy at $25.25, but your net margin is currently squeezed to 12.78% due to the combined weight of fixed costs and advertising. You reached your break-even point at the 14th unit sold this month; every unit sold after that contributed directly to your $115.00 profit.
Assumptions and Limitations
- Taxes (Sales or Income) are not included in this calculation.
- Assumes zero refunds or returns during this period.
- ROAS assumes all 20 sales were attributed to the $150.00 ad spend.
Next steps
- Target Margin: Would you like to see the required selling price to hit a 20% net margin?
- Scenario Check: Calculate how profit changes if you reduce ad spend by 20% but sales drop by 2 units.
- Fee Audit: Confirm if your platform fees apply to the shipping price charged to customers.
Connects securely to your tools. The creator never sees your data.
About this skill
Business owners often struggle to see the true profit left after platform fees, ad spend, and fulfillment costs. This skill acts as a dedicated financial calculation assistant for freelancers and e-commerce sellers, providing transparent profitability modeling and break-even analysis.
What it does
- Profitability calculation determines net operating profit by subtracting variable costs, fixed costs, and advertising spend from total revenue.
- Break-even analysis identifies the exact number of units or total revenue needed to cover all fixed costs based on current contribution margins.
- Ad performance tracking calculates ROAS and advertising ROI to distinguish between top-line revenue and actual bottom-line profit from marketing.
- Target pricing generates the required selling price to achieve a specific desired profit margin while accounting for percentage-based platform fees.
- Scenario modeling compares different pricing tiers or cost structures to show how small changes affect the final margin.
How it works
- Provide the assistant with your current selling price, product costs, platform fees, and fixed overhead.
- The assistant classifies every cost as variable, percentage-based, or fixed to prevent double-counting.
- Review the itemized results summary including contribution per sale and estimated profit margins.
- Request target price adjustments or break-even scenarios to help with pricing decisions.
Frameworks & tools
This skill uses standard financial formulas for contribution margin, ROAS, and net profit. It is platform-agnostic, working for sellers on Shopify, Amazon, Etsy, or independent freelance setups.
Why this beats prompting it yourself
Generic prompts often confuse markup with margin or fail to account for the way platform fees compound on the final selling price. This skill uses a specific classification workflow to ensure advertising spend and fixed costs are handled separately, preventing the common math errors that lead to overestimating business health.
Use cases
- Calculate the real profit of an Amazon FBA product after all marketplace fees.
- Determine how many freelance projects are needed to cover monthly software subscriptions.
- Find the minimum selling price needed to maintain a 30% margin after a supplier price hike.
- Compare if lowering ad spend or raising prices will result in higher net profit.
Known limitations
This tool provides estimates based on user inputs and does not provide regulated tax, legal, or accounting advice. It cannot access live bank or marketplace APIs.
How to use
Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs this skill for you. If a payment is needed, your agent shows it to you first.
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