Amazon Seller Calculator Suite
Essential tools to measure and optimize your Amazon business
Free calculators from Canopy Management
Essential tools to measure and optimize your Amazon business
Free calculators from Canopy Management
Advertising Cost of Sales
Revenue directly attributed to your ads
FORMULA
ACoS = (Ad Spend ÷ Ad Sales) × 100
What is ACoS? ACoS measures how much you spend on Amazon advertising to generate one dollar of sales. Lower ACoS means more efficient advertising. For example, a 20% ACoS means you spend $0.20 on ads for every $1.00 in sales.
Total Advertising Cost of Sales
Total amount spent on Amazon ads
All revenue (both ad sales and organic sales combined)
FORMULA
TACoS = (Ad Spend ÷ Total Sales) × 100
What is TACoS? TACoS shows how much you’re spending on ads relative to your entire business revenue. Unlike ACoS, which only looks at ad-attributed sales, TACoS includes organic sales too. This gives you a better picture of your advertising’s overall impact on your business. A lower TACoS means your ads are helping grow your total business efficiently.
Maximum sustainable advertising spend
What you sell the product for on Amazon
Product cost + Amazon fees + other costs (excluding ad spend)
FORMULA
Break-Even ACoS = ((Sale Price – Total Cost) ÷ Sale Price) × 100
What is Break-Even ACoS? This is the maximum ACoS where you neither make nor lose money. Any ACoS above this point means you’re losing money on each sale. You should target 70% of your break-even ACoS to maintain healthy profit margins while investing in growth.
Understand your actual profitability after all costs
What you sell the product for on Amazon
Cost of goods (manufacturing, sourcing)
Referral fees, FBA fees, storage fees
Average ad spend per unit sold
Shipping to Amazon, packaging, etc. (optional)
FORMULA
Profit Margin = (Net Profit ÷ Sale Price) × 100
What is Profit Margin? Your profit margin shows what percentage of each sale you actually keep after all costs. It’s the most important number for understanding if your business is sustainable. A 20% margin means you keep $0.20 of profit for every $1.00 in sales.
Measure your advertising profitability
Total amount spent on advertising
Revenue generated from your ads
Your net profit margin percentage (after all costs except ads)
FORMULA
ROI = ((Profit from Ads – Ad Spend) ÷ Ad Spend) × 100
What is ROI? ROI tells you how much profit you’re making for every dollar you spend on ads. A 200% ROI means you make $2.00 in profit for every $1.00 spent on advertising. Positive ROI means your ads are profitable, negative ROI means you’re losing money.