Sales Tax & Margin Calculator
Visualize how sales tax impacts your profit margins and customer pricing. Calculate after-tax profit and compare margins.
Sales Tax & Margin Calculator
See the true cost of taxes on your margins
Visualize how sales tax impacts your profit margins and customer pricing. Calculate after-tax profit and compare margins.
Sale price without tax
Your local sales tax percentage
What you paid for the item
税効果分析
Tax Amount
$8.50
8.5% of subtotal
Total Price (with Tax)
$108.50
What customer pays
Your Profit (Subtotal - Cost)
$50.00
50.0% margin on subtotal
💰 Price Breakdown
📈 Your Profit
Note: You don't get to keep the tax — it goes to the government.
税率と計算の理解
Sales tax affects both your customers' perception of price and your effective margins. A product that looks like a 50% markup before tax shrinks when you account for the tax percentage.
Understanding the relationship between tax, pricing, and margins helps you set competitive prices while maintaining healthy profitability. Some retailers include tax in their advertised price; others add it at checkout.
💡 Pro Retailer Tips:
- Included vs. Excluded: Some jurisdictions allow you to include tax in the advertised price; others require you to add it at checkout.
- Pricing Strategy: Consider psychological pricing ("$9.99" vs "$10.75" with tax in 8% jurisdiction).
- Tax Compliance: Set aside tax collected from customers — it's not your profit, it's a liability.
- Multi-State Sales: Online sales to other states may have different tax rules. Consult an accountant.
Example:
Scenario: You sell a $100 item in an 8% tax region.
- Customer sees a $108 total price
- You keep $100 in revenue
- You owe $8 in sales tax to the state
- Your profit depends on what you paid for the item
Automate Tax Compliance
Olgax POS automatically calculates and tracks sales tax per transaction, simplifying reconciliation and compliance reporting.