Amazon Advertising Calculator
Amazon Sponsored Products lives or dies on ACOS, TACOS, ROAS, and breakeven ACOS. Enter selling price, product and fulfillment costs, referral percent, ad spend, ad sales, organic sales, total orders attributed, and clicks to see ACOS vs breakeven, TACOS including organic, cost per click, conversion rate, and profit after ads. Use green under breakeven, yellow near breakeven, red over breakeven zones to kill or scale campaigns.
Instant calculations · Editable fee assumptions · Export-ready results
Inputs
Values update results instantly. Adjust fee assumptions to match your seller dashboard.
Product
Amazon listing price.
Costs
Sourcing cost per unit.
FBA or FBM per unit.
Amazon fees
Category referral percent.
Ad spend
Total ad spend in period.
Ad results
Revenue from ads in period.
Revenue from organic in period.
Orders from ads.
Total ad clicks.
Results
Live estimates based on your inputs and editable fee assumptions.
ACOS %
25.0%
Ad spend divided by ad sales.
TACOS %
15.0%
Ad spend divided by total revenue.
ROAS
4
Return on ad spend multiplier.
Average CPC
$0.60
Spend per click.
Ad conversion rate %
16.0%
Orders divided by clicks.
Ad cost per order
$3.75
Spend per order.
Breakeven ACOS %
35.0%
Max ACOS before losing money.
Pre-ad profit margin %
35.0%
Margin before ads.
Total profit after ads (period)
$399.60
Total revenue minus COGS, fees, ad spend.
Profit per order after ads
$4.99
Per ad order after all costs.
What this means
Yellow: ACOS 25.0% near breakeven 35.0%. Profitable but thin. ROAS 4.0x, TACOS 15.0%, CPC $0.60, conversion 16.0%. Optimize to push ACOS lower.
Ad sales, organic, ad cost, and profit split
Interactive breakdown of fees, costs, and remaining profit.
Distribution
- Ad sales$1,200.0044.5%
- Organic sales$800.0029.6%
- Ad spend$300.0011.1%
- Profit after ads$399.6014.8%
Total $2,699.60 · 4 segments · interactive
Line-item breakdown
Dollar amounts, share of revenue, and visual proportion.
- Total revenue (ad+organic)
- $2,000.00
- ACOS
- 25.0%
- TACOS
- 15.0%
- ROAS
- 4
- Avg CPC
- $0.60
- Conversion rate
- 16.0%
- Cost per order
- $3.75
- Referral per unit
- $3.75
- Contribution per unit pre-ads
- $8.74
- Pre-ad margin (breakeven ACOS)
- 35.0%
- Profit after ads (period)
- $399.60
Assumptions used
- • Total revenue $2000.00 = ad $1200.00 + organic $800.00
- • ACOS 25.0% = spend $300.00 ÷ ad sales $1200.00
- • Breakeven ACOS 35.0% = contribution $8.74 ÷ price $24.99
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Amazon PPC Calculator
Generated 8/4/2026, 2:49:24 PM · Currency USD
Inputs
- Selling price per unit: 24.99
- Product cost per unit: 8
- Fulfillment cost per unit: 4.5
- Referral fee %: 15
- Ad spend in period: 300
- Ad-attributed sales in period: 1200
- Organic sales in period: 800
- Total ad-attributed orders: 80
- Ad clicks in period: 500
Results
- Total revenue (ad+organic): $2,000.00
- ACOS: 25.0%
- TACOS: 15.0%
- ROAS: 4
- Avg CPC: $0.60
- Conversion rate: 16.0%
- Cost per order: $3.75
- Referral per unit: $3.75
- Contribution per unit pre-ads: $8.74
- Pre-ad margin (breakeven ACOS): 35.0%
- Profit after ads (period): $399.60
Interpretation
Yellow: ACOS 25.0% near breakeven 35.0%. Profitable but thin. ROAS 4.0x, TACOS 15.0%, CPC $0.60, conversion 16.0%. Optimize to push ACOS lower.
How it works
Methodology & formulas
This calculator is transparent by design. Review the steps and formulas so you can trust the estimate and adjust assumptions when your dashboard differs.
Calculation steps
- 1TotalRevenue = adSales + organicSales.
- 2ACOS = adSpend / adSales ×100.
- 3TACOS = adSpend / totalRevenue ×100.
- 4ROAS = adSales / adSpend.
- 5AvgCPC = adSpend / adClicks.
- 6Conversion = orders / clicks ×100.
- 7ReferralPerUnit = salePrice × referral%.
- 8ContributionPerUnit = salePrice − productCost − fulfillmentCost − referralPerUnit.
- 9ContributionMargin% = contribution / salePrice ×100 = breakeven ACOS.
- 10Estimated total units in period = totalRevenue / salePrice.
- 11Total COGS+fees = (product + fulfillment + referralPerUnit) × estimatedUnits.
- 12ProfitAfterAds = totalRevenue − totalCogsFees − adSpend.
Formulas
- ACOS = adSpend ÷ adSales ×100
- TACOS = adSpend ÷ (adSales+organicSales) ×100
- ROAS = adSales ÷ adSpend
- CPC = adSpend ÷ clicks
- ConvRate = orders ÷ clicks ×100
- Breakeven ACOS = (salePrice − product − fulfillment − referral) ÷ salePrice ×100
- ProfitAfterAds = totalRevenue − (product+fulfillment+referral)×units − adSpend
Important assumptions
- Total revenue = adSales + organicSales.
- ACOS = adSpend / adSales ×100 when adSales>0.
- TACOS = adSpend / totalRevenue ×100 when totalRevenue>0.
- Average CPC = adSpend / adClicks.
- Conversion rate = totalOrders / adClicks ×100.
- Cost per order = adSpend / totalOrders.
- Product cost and fulfillment per unit derived from inputs; total orders attributed influences total product and fee cost for ad sales portion, but for breakeven we use per-unit margin.
- Referral fee per unit = salePrice × referralFeePercent.
- Per-unit contribution pre-ads = salePrice − productCost − fulfillmentCost − referralFee.
- Breakeven ACOS = contribution margin percent before ads = contribution / salePrice ×100.
- Total profit after ads = totalRevenue − (productCost+fulfillment+referral)×estimated total units from totalRevenue/salePrice − adSpend.
Worked example
$24.99 product with 15% referral and $300 ad spend
$24.99 sale, $8 product, $4.50 fulfillment, 15% referral, $300 ad spend, $1200 ad sales, $800 organic, 80 orders, 500 clicks.
FAQ
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